/* =====================================================================
     AURORA GLASS — tasarım sistemi (2026-09-04)
     Derin koyu zemin + yavaş süzülen renk bulutları + blur'lu cam kartlar.
     Eski token adları alias olarak korunur; Faz 2 ekranları (auth, admin,
     inceleme, import…) bu alias'lar üzerinden yeni palete geçer.
     ===================================================================== */
  :root {
    /* zemin */
    --bg-0: #07070B;
    --bg-1: #0D0D14;
    /* cam yüzeyler */
    --glass-bg: rgba(255,255,255,0.045);
    --glass-bg-strong: rgba(255,255,255,0.07);
    --glass-border: rgba(255,255,255,0.10);
    --glass-border-strong: rgba(255,255,255,0.18);
    --glass-blur: 14px;
    --glass-highlight: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 55%);
    /* metin */
    --text-primary: #EDEDF2;
    --text-secondary: #A1A1AA;
    --text-muted: #8A8A96;
    /* aurora aksanları */
    --violet: #7C3AED;  --violet-soft: rgba(124,58,237,0.18);
    --cyan:   #06B6D4;  --cyan-soft:   rgba(6,182,212,0.18);
    --pink:   #F472B6;  --pink-soft:   rgba(244,114,182,0.18);
    --amber:  #FBBF24;  --amber-soft:  rgba(251,191,36,0.18);
    /* durum */
    --success: #34D399;
    --warning: #FBBF24;
    --error:   #FB7185;
    /* geometri & hareket */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --rail-w: 64px;
    --rail-w-open: 220px;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

    /* ---- eski token alias'ları ---- */
    --bg-primary: var(--bg-0);
    --bg-secondary: var(--bg-1);
    --bg-card: var(--glass-bg);
    --bg-table-row: transparent;
    --bg-table-hover: rgba(255,255,255,0.04);
    --border: var(--glass-border);
    --border-subtle: rgba(255,255,255,0.06);
    --accent: var(--violet);
    --accent-hover: #6D28D9;
    --accent-glow: var(--violet-soft);
    --success-glow: rgba(52,211,153,0.2);
    --warning-glow: var(--amber-soft);
    --error-glow: rgba(251,113,133,0.2);
    --card-gradient: var(--glass-bg);
    --shine: var(--glass-highlight);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  html, body {
    background: var(--bg-0);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    min-height: 100vh;
    /* hidden yerine clip: body scroll container olmasın, rail'in position:sticky'si çalışsın */
    overflow-x: hidden;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
  }

  .app-root, .auth-screen { position: relative; z-index: 1; }

  button { font-family: inherit; cursor: pointer; border: none; outline: none; color: inherit; }
  input, select, textarea { font-family: inherit; outline: none; }
  .mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

  /* ==== AURORA ZEMİN ==== */
  .aurora {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
  }
  .aurora i {
    position: absolute;
    display: block;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.38;
    transform: translateZ(0); /* tek sefer rasterize, sonra statik */
  }
  .aurora i:nth-child(1) {
    width: 38rem; height: 38rem;
    top: -14rem; left: -10rem;
    background: var(--violet);
  }
  .aurora i:nth-child(2) {
    width: 30rem; height: 30rem;
    top: 30%; right: -12rem;
    background: var(--cyan);
  }
  .aurora i:nth-child(3) {
    width: 34rem; height: 34rem;
    bottom: -16rem; left: 28%;
    background: var(--pink);
    opacity: 0.24;
  }

  /* ==== CAM YÜZEY ==== */
  .glass {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    overflow: hidden;
  }
  .glass::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-highlight);
    pointer-events: none;
  }
  @supports not (backdrop-filter: blur(1px)) {
    .glass, .rail, .modal, .dropdown-menu, .toast, thead th { background: rgba(13,13,20,0.94) !important; }
  }

  /* ==== UYGULAMA KABUĞU: RAIL + İÇERİK ==== */
  .app-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 24px;
  }
  .app-root.hidden { display: none; }

  .app-shell {
    display: grid;
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    min-height: 100vh;
  }
  .app-shell .content {
    min-width: 0;
    padding: 28px 32px 40px;
    width: 100%;
  }

  /* ==== RAIL ==== */
  .rail {
    position: sticky;
    top: 0;
    height: 100vh;
    width: var(--rail-w);
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 10px;
    background: rgba(13,13,20,0.62);
    border-right: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition: width 0.28s var(--ease-out);
    overflow: hidden;
    z-index: 40; /* .filter-bar (30) ve cam kartların üstünde; modal (200) ve toast (300) altında */
  }
  .rail:hover, .rail:focus-within { width: var(--rail-w-open); }
  .rail-label {
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity 0.18s ease, transform 0.22s var(--ease-out);
  }
  .rail:hover .rail-label, .rail:focus-within .rail-label { opacity: 1; transform: none; }

  .rail-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 44px;
    padding: 0 4px;
    margin-bottom: 10px;
  }
  .rail-logo {
    width: 36px; height: 36px;
    flex-shrink: 0;
    border-radius: 10px;
    object-fit: contain;
    box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  }
  .rail-brand-text {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
  }

  .rail-nav { display: flex; flex-direction: column; gap: 4px; }
  .rail-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    height: 44px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    text-align: left;
    transition: background 0.15s ease, color 0.15s ease;
  }
  .rail-item svg { flex-shrink: 0; width: 20px; height: 20px; }
  .rail-item:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }
  .rail-item.active {
    background: var(--violet-soft);
    color: var(--text-primary);
  }
  .rail-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 12px; bottom: 12px;
    width: 2px;
    border-radius: 2px;
    background: var(--violet);
  }
  .rail-item.rail-item-admin { color: var(--amber); }
  .rail-item.rail-item-admin:hover { background: var(--amber-soft); color: var(--amber); }

  .rail-footer { margin-top: auto; }

  /* ==== USER WIDGET (rail altı) ==== */
  .user-widget {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 48px;
    padding: 0 6px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-subtle);
  }
  .user-avatar {
    width: 30px; height: 30px;
    flex-shrink: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--violet), var(--cyan));
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
  }
  .user-email {
    flex: 1;
    min-width: 0;
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .logout-btn {
    flex-shrink: 0;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 8px;
    width: 30px; height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.15s ease;
  }
  .rail:hover .logout-btn, .rail:focus-within .logout-btn { opacity: 1; }
  .logout-btn:hover { color: var(--error); background: var(--error-glow); }

  /* ==== TOPBAR ==== */
  .topbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 22px;
  }
  .topbar-title h1 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
  }
  .topbar-sub {
    display: block;
    margin-top: 4px;
    font-size: 12.5px;
    color: var(--text-secondary);
  }
  .topbar-actions { display: flex; align-items: center; gap: 10px; }

  /* ===== ALERT BANNER ===== */
  .alert-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 0 18px;
    flex-wrap: wrap;
    animation: slideDown 0.25s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .alert-banner-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
  }
  .alert-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 13px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.15s var(--ease-out), background 0.15s;
    font-family: inherit;
  }
  .alert-chip:hover { transform: translateY(-1px); }
  .alert-chip.red {
    background: var(--pink-soft);
    color: var(--pink);
    border: 1px solid rgba(244,114,182,0.32);
  }
  .alert-chip.amber {
    background: var(--amber-soft);
    color: var(--amber);
    border: 1px solid rgba(251,191,36,0.32);
  }
  .alert-chip-clear {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    font-family: inherit;
    transition: color 0.15s;
  }
  .alert-chip-clear:hover { color: var(--text-primary); }

  /* ==== BUTONLAR ==== */
  .btn {
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s var(--ease-out);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
  }
  .btn-primary {
    background: var(--violet);
    color: white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.10) inset;
  }
  .btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 6px 16px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.16) inset;
    transform: translateY(-1px);
  }
  .btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
  }
  .btn-secondary:hover {
    background: var(--glass-bg-strong);
    border-color: var(--glass-border-strong);
    transform: translateY(-1px);
  }
  .btn-danger {
    background: transparent;
    color: var(--error);
    border: 1px solid rgba(251,113,133,0.4);
  }
  .btn-danger:hover { background: var(--error-glow); border-color: var(--error); }

  /* ==== STAT CARDS (bento) ==== */
  .stats-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr 1fr 1fr;
    gap: 14px;
    margin-bottom: 14px;
  }
  .stat-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: 22px 22px 20px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(12px);
    animation: fadeUp 0.6s var(--ease-out) forwards;
    transition: transform 0.25s var(--ease-out), border-color 0.25s ease;
  }
  .stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-highlight);
    pointer-events: none;
  }
  .stat-card::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.9;
    transition: opacity 0.25s ease;
  }
  .stat-card:hover { transform: translateY(-3px); border-color: var(--glass-border-strong); }
  .stat-card:hover::after { opacity: 1; }
  .stat-card:nth-child(1) { animation-delay: 0.05s; }
  .stat-card:nth-child(1)::after { background: radial-gradient(circle at 88% 12%, var(--violet-soft), transparent 60%); }
  .stat-card:nth-child(2) { animation-delay: 0.12s; }
  .stat-card:nth-child(2)::after { background: radial-gradient(circle at 88% 12%, var(--cyan-soft), transparent 60%); }
  .stat-card:nth-child(3) { animation-delay: 0.19s; }
  .stat-card:nth-child(3)::after { background: radial-gradient(circle at 88% 12%, var(--pink-soft), transparent 60%); }
  .stat-card:nth-child(4) { animation-delay: 0.26s; }
  .stat-card:nth-child(4)::after { background: radial-gradient(circle at 88% 12%, var(--amber-soft), transparent 60%); }

  @keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
  }

  .stat-card > * { position: relative; z-index: 1; }
  .stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
  }
  .stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
  }
  .stat-icon {
    width: 38px; height: 38px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
  }
  .stat-icon.blue  { color: #A78BFA; }
  .stat-icon.green { color: #22D3EE; }
  .stat-icon.red   { color: var(--pink); }
  .stat-icon.amber { color: var(--amber); }

  .stat-value {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 32px;
    font-weight: 500;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
    line-height: 1;
  }
  .stat-card:nth-child(2) .stat-value { font-size: 42px; }
  .stat-trend {
    font-size: 12px;
    color: var(--text-secondary);
  }
  .stat-trend.positive { color: var(--success); }
  .stat-trend.negative { color: var(--pink); }

  /* ==== CHARTS ==== */
  .charts-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 14px;
    margin-bottom: 14px;
  }
  .chart-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: 22px;
    opacity: 0;
    animation: fadeUp 0.6s var(--ease-out) 0.34s forwards;
    overflow: hidden;
    transition: border-color 0.25s ease;
  }
  .chart-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-highlight);
    pointer-events: none;
  }
  .chart-card:hover { border-color: var(--glass-border-strong); }
  .chart-card > * { position: relative; z-index: 1; }
  .chart-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 3px;
    letter-spacing: -0.01em;
  }
  .chart-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 18px;
  }
  .chart-svg-wrap {
    position: relative;
    width: 100%;
  }
  .pie-legend {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-top: 16px;
  }
  .legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-subtle);
    font-size: 12px;
    color: var(--text-secondary);
    min-width: 0;
  }
  .legend-item > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .legend-color {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }

  .tooltip {
    position: fixed;
    background: rgba(13,13,20,0.96);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 100;
    border: 1px solid var(--glass-border);
    white-space: nowrap;
    box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  }
  .tooltip.visible { opacity: 1; }

  /* ==== FILTERS ==== */
  .filter-bar {
    position: relative;
    z-index: 30; /* backdrop-filter stacking context: dropdown menüleri tablonun üstünde kalsın */
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 12px;
    margin-bottom: 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    opacity: 0;
    animation: fadeUp 0.6s var(--ease-out) 0.42s forwards;
  }
  .search-box {
    position: relative;
    flex: 1;
    min-width: 220px;
    max-width: 380px;
  }
  .search-box input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 34px 10px 38px;
    border-radius: 12px;
    font-size: 13px;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  }
  .search-box input::placeholder { color: var(--text-muted); }
  .search-box input:focus {
    background: rgba(255,255,255,0.06);
    border-color: var(--violet);
    box-shadow: 0 0 0 3px var(--violet-soft);
  }
  .search-box > svg {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
  }
  .search-box .search-clear {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px;
    transition: color 0.15s, background 0.15s;
  }
  .search-box .search-clear:hover { color: var(--text-primary); background: rgba(255,255,255,0.08); }
  .search-box .search-clear svg { position: static; pointer-events: none; }
  .filter-bar select {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 36px 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    cursor: pointer;
    min-width: 160px;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A1A1AA' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat;
    background-position: right 13px center;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  .filter-bar select option { background: #15131F; color: var(--text-primary); }
  .filter-bar select:focus {
    border-color: var(--violet);
    box-shadow: 0 0 0 3px var(--violet-soft);
  }
  .filter-bar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }

  /* ==== DROPDOWN ==== */
  .dropdown { position: relative; }
  .dropdown-trigger { display: flex; align-items: center; gap: 6px; }
  .dropdown-chevron { opacity: 0.6; transition: transform 0.2s ease; flex-shrink: 0; }
  .dropdown.open .dropdown-chevron { transform: rotate(180deg); }
  .dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 210px;
    background: rgba(21,19,31,0.85);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 6px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.03) inset;
    opacity: 0;
    transform: translateY(-6px) scale(0.97);
    pointer-events: none;
    transition: opacity 0.14s ease, transform 0.18s var(--ease-out);
    z-index: 200;
    visibility: hidden;
  }
  .dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }
  .dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 11px;
    border-radius: 9px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background 0.12s;
    text-align: left;
    box-sizing: border-box;
  }
  .dropdown-item:hover { background: rgba(255,255,255,0.07); }
  .dropdown-item svg { flex-shrink: 0; opacity: 0.8; }
  .dropdown-separator { height: 1px; background: var(--glass-border); margin: 4px 0; }
  .dropdown-item-content { display: flex; flex-direction: column; gap: 1px; }
  .dropdown-item-title { font-size: 13px; font-weight: 500; color: var(--text-primary); }
  .dropdown-item-sub { font-size: 11px; color: var(--text-secondary); }
  .invoice-item:hover { background: rgba(255,255,255,0.06); }

  /* ==== PRODUCTS TABLE ==== */
  .table-wrap {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    overflow: hidden;
    opacity: 0;
    animation: fadeUp 0.6s var(--ease-out) 0.5s forwards;
  }
  .table-scroll {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 75vh;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }
  table {
    width: 100%;
    border-collapse: collapse;
    min-width: 1020px;
  }
  thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: rgba(13,13,20,0.94);
    color: var(--text-secondary);
    text-align: left;
    padding: 13px 16px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-bottom: 1px solid var(--glass-border);
  }
  thead th.center { text-align: center; }
  tbody tr {
    border-bottom: 1px solid var(--border-subtle);
    transition: background 0.15s;
    animation: rowFade 0.4s ease both;
  }
  tbody tr:last-child { border-bottom: none; }
  tbody tr:hover { background: var(--bg-table-hover); }
  tbody tr.out_of_stock { background: rgba(251,113,133,0.05); }
  tbody tr.out_of_stock:hover { background: rgba(251,113,133,0.09); }
  tbody tr.low_stock td:first-child { box-shadow: inset 3px 0 0 var(--amber); }
  tbody tr.out_of_stock td:first-child { box-shadow: inset 3px 0 0 var(--pink); }
  tbody td {
    padding: 14px 16px;
    font-size: 13px;
    vertical-align: middle;
    white-space: nowrap;
  }
  tbody td.center { text-align: center; }
  tbody td strong, .stock-num, .margin-good, .margin-mid, .margin-bad {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
  }

  @keyframes rowFade {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes rowDelete {
    to { opacity: 0; transform: scaleY(0); height: 0; padding: 0; }
  }
  tbody tr.deleting {
    animation: rowDelete 0.4s ease forwards;
    transform-origin: top;
  }

  .product-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
  }
  .product-barcode {
    font-size: 12px;
    font-weight: 600;
    color: var(--cyan);
    letter-spacing: 0.03em;
    font-family: var(--font-mono);
  }
  .depo-cell {
    display: inline-block;
    max-width: 140px;
    white-space: normal;
    overflow-wrap: break-word;
    line-height: 1.4;
    vertical-align: middle;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
  }

  .badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    background: rgba(255,255,255,0.04);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    letter-spacing: 0.01em;
  }
  .badge.active {
    background: var(--cyan-soft);
    color: #67E8F9;
    border-color: rgba(6,182,212,0.3);
  }
  .badge.low_stock {
    background: var(--amber-soft);
    color: var(--amber);
    border-color: rgba(251,191,36,0.3);
  }
  .badge.out_of_stock {
    background: var(--pink-soft);
    color: var(--pink);
    border-color: rgba(244,114,182,0.3);
  }

  .margin-good { color: var(--success); }
  .margin-mid { color: var(--amber); }
  .margin-bad { color: var(--pink); }

  .stock-cell { display: flex; flex-direction: column; gap: 5px; }
  .stock-row { display: flex; align-items: center; gap: 4px; }
  .stock-num { font-size: 13px; }
  .stock-bar {
    width: 64px;
    height: 4px;
    background: rgba(255,255,255,0.07);
    border-radius: 2px;
    overflow: hidden;
  }
  .stock-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.6s var(--ease-out);
  }
  .stock-bar-fill.good { background: var(--cyan); }
  .stock-bar-fill.mid  { background: var(--amber); }
  .stock-bar-fill.bad  { background: var(--pink); }

  .row-actions { display: flex; gap: 6px; justify-content: center; }
  .icon-btn {
    width: 32px; height: 32px;
    border-radius: 9px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
  }
  .icon-btn:hover { background: var(--violet-soft); border-color: rgba(124,58,237,0.3); color: var(--text-primary); }
  .icon-btn.danger:hover { color: var(--pink); background: var(--pink-soft); border-color: rgba(244,114,182,0.3); }
  .icon-btn.warn:hover { color: var(--amber); background: var(--amber-soft); border-color: rgba(251,191,36,0.3); }
  .icon-btn:disabled { opacity: 0.3; cursor: not-allowed; }
  .icon-btn:disabled:hover { background: transparent; border-color: transparent; color: var(--text-secondary); }

  .empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
  }
  .empty-state svg { margin-bottom: 12px; opacity: 0.3; }

  /* ==== PAGINATION ==== */
  .pagination-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 6px 0;
  }
  .pagination-info { font-size: 12.5px; color: var(--text-secondary); }
  .pagination-btns { display: flex; align-items: center; gap: 10px; }
  .pag-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 12.5px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
  }
  .pag-btn:hover:not(:disabled) { background: var(--violet); border-color: var(--violet); }
  .pag-btn:disabled { opacity: 0.35; cursor: not-allowed; }
  .pag-page {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 12.5px;
    color: var(--text-secondary);
    min-width: 60px;
    text-align: center;
  }

  /* ==== FOOTER ACTIONS ==== */
  .footer-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
  }

  /* ==== MODAL ==== */
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(7,7,11,0.62);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden; /* kapalıyken boyanmaz: 10 tam ekran katman GPU'ya binmesin */
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0s linear 0.2s;
  }
  .modal-overlay.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.2s ease, visibility 0s;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .modal {
    position: relative;
    background: rgba(21,19,31,0.9);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    width: 90%;
    max-width: 520px;
    padding: 30px;
    transform: scale(0.96) translateY(10px);
    transition: transform 0.3s var(--ease-out);
    max-height: 90vh;
    overflow-y: auto;
    box-shadow:
      0 0 0 1px rgba(255,255,255,0.04) inset,
      0 40px 100px rgba(0,0,0,0.6);
  }
  .modal-overlay.visible .modal { transform: scale(1) translateY(0); }
  .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
  }
  .modal-title {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
  }
  .modal-close {
    background: transparent;
    color: var(--text-secondary);
    width: 32px; height: 32px;
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .modal-close:hover { background: rgba(255,255,255,0.07); color: var(--text-primary); }

  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .form-grid .full { grid-column: 1 / -1; }
  .form-field label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
  }
  .form-field input,
  .form-field select {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  .form-field input::placeholder { color: var(--text-muted); }
  .form-field select option { background: #15131F; }
  .form-field input:focus,
  .form-field select:focus {
    border-color: var(--violet);
    box-shadow: 0 0 0 3px var(--violet-soft);
  }
  .form-error {
    color: var(--error);
    font-size: 12px;
    margin-top: 12px;
    min-height: 16px;
  }
  .modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
  }

  /* ==== CONFIRM MODAL ==== */
  .confirm-icon {
    width: 56px; height: 56px;
    background: var(--pink-soft);
    color: var(--pink);
    border: 1px solid rgba(244,114,182,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
  }
  .confirm-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.5;
  }

  /* ==== CATEGORY MANAGEMENT ==== */
  .category-list {
    max-height: 320px;
    overflow-y: auto;
    margin-bottom: 14px;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: rgba(255,255,255,0.02);
  }
  .category-empty {
    padding: 24px 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
  }
  .category-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-subtle);
    transition: background 0.12s;
  }
  .category-row:hover { background: var(--bg-table-hover); }
  .category-row:last-child { border-bottom: none; }
  .category-swatch {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    flex-shrink: 0;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.15);
    transition: transform 0.15s ease;
  }
  .category-swatch:hover { transform: scale(1.2); }
  .category-name {
    flex: 1;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
  }
  .category-name-input {
    flex: 1;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--violet);
    box-shadow: 0 0 0 3px var(--violet-soft);
    border-radius: 8px;
    padding: 6px 10px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
  }
  .category-count {
    color: var(--text-secondary);
    font-size: 11px;
    padding: 2px 9px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
  }
  .category-actions { display: flex; gap: 4px; }
  .category-add {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
  }
  .category-add input {
    flex: 1;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 9px 12px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .category-add input::placeholder { color: var(--text-muted); }
  .category-add input:focus { border-color: var(--violet); box-shadow: 0 0 0 3px var(--violet-soft); }

  /* ==== EUR RATE WIDGET ==== */
  .eur-rate-widget {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
  }
  .eur-rate-val {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
    font-size: 13px;
    color: #67E8F9;
    min-width: 42px;
    text-align: right;
  }
  .eur-rate-date-label {
    font-size: 10px;
    color: var(--text-muted);
  }
  .eur-refresh-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 2px;
    display: flex;
    align-items: center;
    border-radius: 4px;
    transition: color 0.2s;
  }
  .eur-refresh-btn:hover { color: var(--cyan); }
  @keyframes spin { to { transform: rotate(360deg); } }
  .spinning { animation: spin 0.8s linear infinite; }
  .eur-rate-label { color: var(--text-secondary); }

  /* ==== STOCKOUT PROFIT DISPLAY ==== */
  .profit-display {
    grid-column: 1 / -1;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 10px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
  }
  .profit-display .profit-label { color: var(--text-secondary); }
  .profit-display .profit-val { font-family: var(--font-mono); font-weight: 500; }
  .profit-pos { color: var(--success); }
  .profit-neg { color: var(--pink); }

  /* ==== TOAST ==== */
  .toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: rgba(21,19,31,0.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-primary);
    padding: 13px 20px;
    border-radius: 999px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    z-index: 300;
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.35s var(--ease-out);
    font-size: 13px;
    font-weight: 500;
  }
  .toast.visible { transform: translateY(0); opacity: 1; }
  .toast.success { border-color: rgba(52,211,153,0.35); box-shadow: 0 20px 50px rgba(0,0,0,0.5); }
  .toast.error   { border-color: rgba(251,113,133,0.35); box-shadow: 0 20px 50px rgba(0,0,0,0.5); }

  /* ==== HAREKET AZALTMA ==== */
  @media (prefers-reduced-motion: reduce) {
    .stat-card, .chart-card, .filter-bar, .table-wrap, tbody tr { animation: none !important; opacity: 1 !important; transform: none !important; }
    .rail, .rail-label, .btn, .stat-card, .modal, .toast { transition: none !important; }
  }

  /* ==== RESPONSIVE ==== */
  @media (max-width: 1100px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-card:nth-child(2) .stat-value { font-size: 34px; }
  }

  @media (max-width: 1024px) {
    .charts-grid { grid-template-columns: 1fr; }
    .app-shell .content { padding: 24px 20px 36px; }
  }

  /* Sayfa yüzeylerinde backdrop-filter kapalı: Chrome, imleç girince/sekmeye dönünce bu katmanları
     yeniden çizerken kartların üstünde anlık açık çizgi bırakıyordu (2026-10-27). Arkadaki aurora zaten
     blur(100px) olduğu için görünüm değişmez. Modal/dropdown/toast blur'u korunur.
     .rail BURADA YOK: açılınca içeriğin üstüne biniyor, alttakini blur gizliyor. */
  .stat-card, .chart-card, .filter-bar, .table-wrap, .glass {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  @media (max-width: 768px) {
    .app-container { padding: 16px; }
    .stat-card, .chart-card, .filter-bar, .table-wrap, .admin-card, .admin-table-wrap, .rail, .glass {
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
      background: rgba(13,13,20,0.86);
    }
    .aurora i { filter: blur(70px); }
    .app-shell { grid-template-columns: 1fr; }
    .app-shell .content { padding: 18px 14px 32px; }

    /* Rail: üstte yatay şerit */
    .rail {
      position: sticky;
      top: 0;
      height: 58px;
      width: 100%;
      flex-direction: row;
      align-items: center;
      gap: 4px;
      padding: 0 10px;
      border-right: none;
      border-bottom: 1px solid var(--glass-border);
    }
    .rail:hover, .rail:focus-within { width: 100%; }
    .rail-brand { height: auto; margin: 0 8px 0 0; }
    .rail-brand-text { display: none; }
    .rail-nav { flex-direction: row; gap: 2px; flex: 1; overflow-x: auto; }
    .rail-item { height: 40px; padding: 0 10px; }
    .rail-label { display: none; }
    .rail-footer { margin-top: 0; }
    .user-widget { height: 40px; padding: 0 4px; border: none; background: transparent; }
    .user-email { display: none; }
    .logout-btn { opacity: 1; }

    .topbar { margin-bottom: 16px; }
    .topbar-title h1 { font-size: 20px; }

    /* Filter bar: mobilde alt alta, tam genişlik */
    .filter-bar { flex-direction: column; align-items: stretch; gap: 8px; }
    .filter-bar .search-box { max-width: 100%; width: 100%; }
    .filter-bar select { width: 100%; min-width: unset; }
    .filter-bar-actions { margin-left: 0; width: 100%; flex-wrap: wrap; gap: 8px; }
    .filter-bar-actions .btn { flex: 1; min-width: 0; justify-content: center; }

    /* Admin panel mobil */
    .admin-panel { padding: 16px; }
    .admin-panel-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .admin-tabs { flex-wrap: wrap; }
    .admin-table { min-width: 640px; }
  }

  @media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .stat-card:nth-child(2) .stat-value { font-size: 32px; }
    .form-grid { grid-template-columns: 1fr; }
    .topbar { flex-direction: column; align-items: flex-start; gap: 10px; }

    /* EUR widget daha kompakt */
    .eur-rate-date-label { display: none; }
    .eur-rate-widget { padding: 6px 10px; }
    .eur-rate-val { min-width: 36px; font-size: 12px; }

    /* Toast alt ortalı */
    .toast { left: 16px; right: 16px; bottom: 16px; border-radius: 16px; }

    /* Admin tab butonları küçülsün */
    .admin-tab-btn { padding: 8px 12px; font-size: 12px; }
  }

  /* ==== AUTH SCREEN ==== */
  .auth-screen {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: transparent; /* aurora zemin arkadan görünür */
  }
  .auth-screen.hidden { display: none; }
  .auth-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: rgba(21,19,31,0.72);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 36px;
    overflow: hidden;
    box-shadow:
      0 0 0 1px rgba(255,255,255,0.04) inset,
      0 40px 100px rgba(0,0,0,0.6);
    animation: fadeUp 0.7s var(--ease-out) both;
  }
  .auth-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-highlight);
    pointer-events: none;
  }
  .auth-card > * { position: relative; z-index: 1; }
  .auth-brand {
    text-align: center;
    margin-bottom: 26px;
  }
  .auth-logo {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--violet) 0%, #6D5BFF 55%, var(--cyan) 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.12) inset;
  }
  .auth-title {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 4px;
  }
  .auth-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
  }
  .auth-tabs {
    display: flex;
    gap: 6px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-subtle);
    padding: 4px;
    border-radius: 12px;
    margin-bottom: 20px;
  }
  .auth-tab {
    flex: 1;
    background: transparent;
    color: var(--text-secondary);
    padding: 9px 12px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
  }
  .auth-tab:hover { color: var(--text-primary); }
  .auth-tab.active {
    background: var(--violet-soft);
    color: var(--text-primary);
  }
  .auth-form .form-field { margin-bottom: 14px; }
  .auth-form label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
  }
  .auth-form input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  }
  .auth-form input::placeholder { color: var(--text-muted); }
  .auth-form input:focus {
    background: rgba(255,255,255,0.06);
    border-color: var(--violet);
    box-shadow: 0 0 0 3px var(--violet-soft);
  }
  .auth-submit {
    width: 100%;
    margin-top: 6px;
    padding: 12px;
    font-size: 14px;
    justify-content: center;
  }
  .auth-submit:disabled { opacity: 0.6; cursor: not-allowed; }
  .auth-error {
    color: var(--error);
    font-size: 12px;
    margin-bottom: 10px;
    min-height: 16px;
  }
  .auth-info {
    color: var(--success);
    font-size: 12px;
    margin-bottom: 10px;
    min-height: 16px;
  }
  .auth-footer-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    margin-top: 16px;
  }
  .auth-copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 11px;
    margin-top: 8px;
  }

  /* ==== ADMIN PANEL ==== */
  .admin-panel {
    max-width: 1440px;
    margin: 0 auto;
    padding: 28px 32px 40px;
  }
  .admin-panel.hidden { display: none; }
  .admin-panel-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 22px;
    flex-wrap: wrap;
  }
  .admin-panel-title {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
  }
  .admin-panel-title svg { color: var(--amber); }
  .admin-badge {
    font-size: 11px;
    font-weight: 600;
    background: var(--amber-soft);
    color: var(--amber);
    border: 1px solid rgba(251,191,36,0.32);
    padding: 3px 9px;
    border-radius: 999px;
    letter-spacing: 0.14em;
  }
  .admin-tabs {
    display: inline-flex;
    gap: 4px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 4px;
    margin-bottom: 20px;
  }
  .admin-tab-btn {
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    background: transparent;
    color: var(--text-secondary);
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
  }
  .admin-tab-btn:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
  .admin-tab-btn.active {
    background: var(--violet);
    color: white;
  }
  .admin-section { display: none; }
  .admin-section.active { display: block; animation: fadeUp 0.45s var(--ease-out) both; }

  /* Cam kart (kullanıcı detay / yeni kullanıcı formu) */
  .admin-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: 28px;
    overflow: hidden;
  }
  .admin-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--glass-highlight);
    pointer-events: none;
  }
  .admin-card > * { position: relative; z-index: 1; }
  .admin-note-success {
    padding: 10px 14px;
    background: var(--success-glow);
    border: 1px solid rgba(52,211,153,0.3);
    border-radius: 10px;
    font-size: 12px;
    color: var(--success);
    margin-top: 10px;
  }

  /* Users table */
  .admin-table-wrap {
    position: relative;
    /* backdrop-filter kaldırıldı: üstteki sekmelerin üzerine gelince tabloda dikey açık bant (çizim kusuru) çıkıyordu */
    background: rgba(14,14,22,0.82);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  @media (max-width: 768px) {
    .admin-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  }
  .admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
  }
  .admin-table thead tr { background: rgba(13,13,20,0.55); }
  .admin-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-bottom: 1px solid var(--glass-border);
  }
  .admin-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
  }
  .admin-table tbody tr:last-child td { border-bottom: none; }
  .admin-table tbody tr:hover { background: var(--bg-table-hover); }

  /* Perm badges */
  .perm-tags { display: flex; flex-wrap: wrap; gap: 4px; }
  .perm-tag {
    font-size: 10px;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid transparent;
    white-space: nowrap;
  }
  .perm-tag.on  { background: var(--cyan-soft); border-color: rgba(6,182,212,0.3); color: #67E8F9; }
  .perm-tag.off { background: rgba(255,255,255,0.03); border-color: var(--border-subtle); color: var(--text-muted); }
  .perm-tag.admin-tag   { background: var(--violet-soft); color: #C4B5FD; border-color: rgba(124,58,237,0.35); }
  .perm-tag.manager-tag { background: var(--amber-soft); color: var(--amber); border-color: rgba(251,191,36,0.3); }

  /* Role badge */
  .role-badge {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 9px;
    border-radius: 999px;
    display: inline-block;
  }
  .role-badge.super-admin { background: var(--amber-soft); color: var(--amber); border: 1px solid rgba(251,191,36,0.3); }
  .role-badge.admin       { background: var(--violet-soft); color: #C4B5FD; border: 1px solid rgba(124,58,237,0.35); }
  .role-badge.manager     { background: var(--amber-soft); color: var(--amber); border: 1px solid rgba(251,191,36,0.3); }
  .role-badge.user        { background: rgba(255,255,255,0.04); color: var(--text-secondary); border: 1px solid var(--glass-border); }

  /* Audit log table */
  .log-action-badge {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 9px;
    border-radius: 999px;
    background: rgba(255,255,255,0.04);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    white-space: nowrap;
  }
  .log-date { font-size: 11px; color: var(--text-secondary); font-family: var(--font-mono); }
  .log-user { font-size: 12px; font-weight: 500; }
  .log-product { font-weight: 500; }
  .log-sub { font-size: 11px; color: var(--text-secondary); }
  .admin-empty {
    padding: 48px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
  }

  /* Permission editor modal */
  .perm-editor-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
  }
  .perm-editor-row:last-child { border-bottom: none; }
  .perm-editor-label { font-size: 13px; font-weight: 500; }
  .perm-editor-desc  { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }
  .toggle-switch {
    width: 42px;
    height: 24px;
    background: rgba(255,255,255,0.10);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
  }
  .toggle-switch::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: left 0.2s var(--ease-out);
  }
  .toggle-switch.on { background: var(--violet); border-color: var(--violet); }
  .toggle-switch.on::after { left: 20px; }
  .toggle-switch.locked { opacity: 0.35; cursor: not-allowed; pointer-events: none; }

  /* SPA view isolation */
  #main-dashboard.hidden { display: none; }

  #no-access-screen { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
  #no-access-screen.hidden { display: none; }

  /* ==== IMPORT MODAL ==== */
  .import-modal { max-width: 740px; width: 95%; }
  .import-drop-zone {
    border: 1.5px dashed var(--glass-border-strong);
    border-radius: 16px;
    padding: 36px 24px;
    text-align: center;
    cursor: pointer;
    background: rgba(255,255,255,0.02);
    transition: border-color 0.2s, background 0.2s;
    margin-bottom: 14px;
  }
  .import-drop-zone:hover, .import-drop-zone.dragover {
    border-color: var(--violet);
    background: var(--violet-soft);
  }
  .import-drop-icon { color: var(--text-secondary); margin-bottom: 10px; }
  .import-drop-title { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
  .import-drop-sub { font-size: 12px; color: var(--text-secondary); }
  .import-template-note {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-subtle);
    padding: 10px 14px;
    border-radius: 10px;
    margin-bottom: 12px;
  }
  .import-summary-badges { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
  .import-badge { padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 500; border: 1px solid transparent; }
  .import-badge.imp-new    { background: var(--success-glow); color: var(--success); border-color: rgba(52,211,153,0.3); }
  .import-badge.imp-update { background: var(--amber-soft); color: var(--amber); border-color: rgba(251,191,36,0.3); }
  .import-badge.imp-total  { background: var(--violet-soft); color: #C4B5FD; border-color: rgba(124,58,237,0.35); }
  .import-preview-wrap {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    margin-bottom: 14px;
  }
  .import-preview-table { width: 100%; border-collapse: collapse; font-size: 12px; }
  .import-preview-table th {
    background: rgba(13,13,20,0.9);
    padding: 8px 10px;
    text-align: left;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: sticky;
    top: 0;
    z-index: 1;
  }
  .import-preview-table td { padding: 7px 10px; border-bottom: 1px solid var(--border-subtle); }
  .import-preview-table tr:last-child td { border-bottom: none; }
  .import-result { text-align: center; padding: 20px 0 12px; }
  .import-result-icon {
    width: 56px; height: 56px; border-radius: 50%;
    background: var(--success-glow); color: var(--success);
    border: 1px solid rgba(52,211,153,0.3);
    font-size: 26px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
  }
  .import-result-stats { display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: var(--text-secondary); }
  .import-result-stats b { color: var(--text-primary); font-size: 18px; font-family: var(--font-mono); font-weight: 500; }
  .btn-sm { padding: 5px 11px; font-size: 12px; }

  /* ==== SCAN MODAL ==== */
  .scan-modal-content { max-width: 460px; width: 95%; }
  .scan-input-wrap { position: relative; margin-bottom: 14px; }
  .scan-barcode-input {
    width: 100%; padding: 13px 16px 13px 46px; box-sizing: border-box;
    background: rgba(255,255,255,0.05); border: 1.5px solid var(--violet);
    box-shadow: 0 0 0 3px var(--violet-soft);
    color: var(--text-primary); border-radius: 12px;
    font-size: 16px; font-family: var(--font-mono); outline: none; letter-spacing: 0.5px;
  }
  .scan-barcode-input::placeholder { color: var(--text-muted); font-size: 14px; font-family: var(--font-sans); }
  .scan-input-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: #A78BFA; pointer-events: none; }
  .scan-product-card {
    background: rgba(255,255,255,0.03); border: 1px solid var(--glass-border);
    border-radius: 14px; padding: 16px; margin-bottom: 14px; display: none;
  }
  .scan-product-card.visible { display: block; }
  .scan-product-name { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
  .scan-product-meta { font-size: 12px; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.6; }
  .scan-qty-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
  .scan-qty-btn {
    width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--glass-border);
    background: rgba(255,255,255,0.04); color: var(--text-primary);
    font-size: 20px; line-height: 1; cursor: pointer;
    display: flex; align-items: center; justify-content: center; transition: background 0.15s, border-color 0.15s;
  }
  .scan-qty-btn:hover { background: var(--violet-soft); border-color: rgba(124,58,237,0.35); }
  .scan-qty-val { font-size: 22px; font-weight: 500; font-family: var(--font-mono); min-width: 40px; text-align: center; }
  .scan-actions { display: flex; gap: 10px; }
  .scan-actions .btn { flex: 1; }
  .scan-not-found { text-align: center; padding: 18px 0; color: var(--text-secondary); font-size: 14px; display: none; }
  .scan-not-found.visible { display: block; }
  .scan-log { margin-top: 14px; border-top: 1px solid var(--border-subtle); padding-top: 12px; }
  .scan-log-title { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-secondary); margin-bottom: 8px; font-weight: 500; }
  .scan-log-list { display: flex; flex-direction: column; gap: 5px; max-height: 150px; overflow-y: auto; }
  .scan-log-item { display: flex; justify-content: space-between; align-items: center; padding: 7px 10px; background: rgba(255,255,255,0.03); border: 1px solid var(--border-subtle); border-radius: 8px; font-size: 12px; }
  .scan-log-item .log-name { font-weight: 500; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-right: 8px; }

  /* ==== HISTORY MODAL ==== */
  .history-modal-content { max-width: 900px; width: 95%; }
  .history-filters { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
  .history-filters input, .history-filters select {
    background: rgba(255,255,255,0.04); border: 1px solid var(--glass-border);
    color: var(--text-primary); padding: 9px 12px; border-radius: 10px;
    font-size: 13px; font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .history-filters input::placeholder { color: var(--text-muted); }
  .history-filters select option { background: #15131F; }
  .history-filters input:focus, .history-filters select:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 3px var(--violet-soft); }
  .history-table-wrap { max-height: 480px; overflow-y: auto; border: 1px solid var(--glass-border); border-radius: 12px; }

  /* ==== SCROLLBAR ==== */
  ::-webkit-scrollbar { width: 8px; height: 8px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

  /* ==== SELECTION ==== */
  ::selection { background: rgba(124,58,237,0.4); color: var(--text-primary); }

  /* ==== REVIEW PANEL (Faturasız İnceleme) ==== */
  #review-panel h3:not(.modal-title), #konsinye-panel h3:not(.modal-title) {
    margin: 22px 0 10px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-secondary);
  }
  #review-panel .table-wrap, #konsinye-panel .table-wrap {
    border-radius: 14px;
    animation: none;
    opacity: 1;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(255,255,255,0.03);
  }
  #review-panel table, #konsinye-panel table { min-width: 0; }
  #review-panel .table-scroll, #konsinye-panel .table-scroll { max-height: 40vh; }

  /* ==== IN-TEST TOGGLE ==== */
  .form-field-checkbox { flex-direction: row; align-items: center; gap: 8px; }
  .checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); cursor: pointer; }
  .checkbox-label input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--violet); cursor: pointer; }
  .badge.in-test { border-color: rgba(251,191,36,0.35); color: var(--amber); margin-left: 6px; }