/* ═══════════════════════════════════════════════════
   VoidManga — Design System v3.0
   ═══════════════════════════════════════════════════ */

:root {
    /* ── Backgrounds ── */
    --bg-deep: #080c18;
    --bg-page: #0a0e1a;
    --bg-surface: #111827;
    --bg-surface-hover: #1a2235;
    --bg-surface-glass: rgba(17, 24, 39, 0.7);
    --bg-card: #0f1729;
    --bg-card-border: rgba(148, 163, 184, 0.1);

    /* ── Accent & Brand ── */
    --accent-primary: #7c3aed;
    --accent-primary-hover: #6d28d9;
    --accent-primary-glow: rgba(124, 58, 237, 0.3);
    --accent-gold: #d4a034;
    --accent-gold-dim: #8b6914;
    --accent-green: #22c55e;
    --accent-green-dim: rgba(34, 197, 94, 0.15);
    --accent-orange: #f97316;
    --accent-orange-dim: rgba(249, 115, 22, 0.15);
    --accent-red: #ef4444;
    --accent-blue: #3b82f6;

    /* ── Text ── */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-link: #a78bfa;

    /* ── Borders ── */
    --border-subtle: rgba(148, 163, 184, 0.12);
    --border-active: rgba(124, 58, 237, 0.5);
    
    /* ── Spacing ── */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* ── Shadows ── */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px var(--accent-primary-glow);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* ── Radius ── */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 999px;

    /* ── Transition ── */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-base: var(--transition-normal);

    /* ── Legacy Aliases (eski kodların çökmemesi için) ── */
    --primary-color: var(--accent-primary);
    --primary-dark: var(--accent-primary-hover);
    --primary-light: #a78bfa;
    --secondary-color: #4ECDC4;
    --accent-color: var(--accent-gold);
    --success: var(--accent-green);
    --warning: var(--accent-orange);
    --error: var(--accent-red);
    --info: var(--accent-blue);
    --border-color: var(--border-subtle);
    --bg-primary: var(--bg-deep);
    --bg-secondary: var(--bg-surface);
    --bg-tertiary: var(--bg-surface-hover);
    --hover-bg: var(--bg-surface-hover);
    --card-bg: var(--bg-card);
    --text-muted: var(--text-tertiary);
}

/* ── Light Theme ── */
[data-theme="light"] {
    --bg-deep: #f8fafc;
    --bg-page: #f1f5f9;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-surface-glass: rgba(255, 255, 255, 0.8);
    --bg-card: #ffffff;
    --bg-card-border: rgba(15, 23, 42, 0.1);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-link: #7c3aed;
    --border-subtle: rgba(15, 23, 42, 0.1);
}

/* ═══ Reset & Base ═══ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-deep);
    transition: background-color var(--transition-base), color var(--transition-base);
    min-height: 100vh;
}

/* ═══ Typography ═══ */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; letter-spacing: -0.01em; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1rem; color: var(--text-secondary); }

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--accent-primary); }

/* ═══ Buttons ═══ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    font-family: 'Inter', sans-serif;
    text-decoration: none;
    color: var(--text-primary);
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: 0 4px 12px var(--accent-primary-glow);
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--accent-primary-glow);
    color: white;
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--bg-surface-hover);
    border-color: var(--accent-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-surface-hover); color: var(--text-primary); }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-block { display: flex; width: 100%; }
.btn-icon { width: 40px; height: 40px; padding: 0; }

/* ═══ Cards ═══ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--bg-card-border);
    transition: all var(--transition-base);
}

.glass-card {
    background: var(--bg-surface-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-lg);
}

/* ═══ Forms ═══ */
.form-group { margin-bottom: var(--spacing-lg); }
.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}
.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-glow);
}
.form-control-lg { padding: 0.875rem 1.25rem; font-size: 1rem; }

/* ═══ Layout: Container ═══ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ═══ Layout: Row / Col ═══ */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--spacing-md) * -1);
}

.col { flex: 1; padding: 0 var(--spacing-md); }
.col-3 { flex: 0 0 25%; max-width: 25%; padding: 0 var(--spacing-md); }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; padding: 0 var(--spacing-md); }
.col-6 { flex: 0 0 50%; max-width: 50%; padding: 0 var(--spacing-md); }
.col-8 { flex: 0 0 66.666%; max-width: 66.666%; padding: 0 var(--spacing-md); }
.col-10 { flex: 0 0 83.333%; max-width: 83.333%; padding: 0 var(--spacing-md); }
.col-12 { flex: 0 0 100%; max-width: 100%; padding: 0 var(--spacing-md); }
.col-span-2 { grid-column: span 2; }

/* ═══ Layout: Grid ═══ */
.grid { display: grid; gap: var(--spacing-lg); }
.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }

/* ═══ Flex Utilities ═══ */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-grow { flex-grow: 1; }
.flex-wrap { flex-wrap: wrap; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ═══ Badges ═══ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    background: var(--accent-primary);
    color: white;
}
.badge-sm { padding: 0.125rem 0.5rem; font-size: 0.6875rem; }
.badge-success { background: var(--accent-green); }
.badge-warning { background: var(--accent-orange); }
.badge-error { background: var(--accent-red); }
.badge-info { background: var(--accent-blue); }
.badge-purple { background: var(--accent-primary); }
.badge-outlined { background: transparent; border: 1px solid var(--border-subtle); color: var(--text-secondary); }

/* ═══ Tabs ═══ */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--border-subtle);
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}
.tab-btn:hover { color: var(--text-primary); background: var(--bg-surface-hover); border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.tab-btn.active { color: var(--accent-primary); border-bottom-color: var(--accent-primary); }

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.3s ease; }

/* ═══ Error / Success Messages ═══ */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--accent-red);
}
.success-message {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--accent-green);
}

/* ═══ Section Headers ═══ */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}
.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.section-title .icon { font-size: 1.5rem; }
.section-title h3 { margin-bottom: 0; }

.view-all-btn {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-primary);
}
.view-all-btn:hover { color: var(--accent-primary-hover); }

/* ═══ Spinner / Loading ═══ */
.spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ Spacing Utilities ═══ */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.mx-auto { margin-left: auto; margin-right: auto; }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }
.p-5 { padding: var(--spacing-2xl); }

.px-3 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.pt-5 { padding-top: var(--spacing-2xl); }

/* ═══ Text Utilities ═══ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-tertiary { color: var(--text-tertiary) !important; }
.text-muted { color: var(--text-tertiary) !important; }
.text-success { color: var(--accent-green) !important; }
.text-warning { color: var(--accent-orange) !important; }
.text-error, .text-danger { color: var(--accent-red) !important; }

/* ═══ Display ═══ */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }
.overflow-hidden { overflow: hidden; }

/* ═══ Watermark ═══ */
.watermark-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

/* ═══ Scrollbar ═══ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ═══ Selection ═══ */
::selection { background: var(--accent-primary); color: white; }

/* ═══ Focus ═══ */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ═══ Animations ═══ */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.animate-fadeIn { animation: fadeIn 0.3s ease; }
.animate-slideInUp { animation: slideInUp 0.3s ease; }
.animate-slideInDown { animation: slideInDown 0.3s ease; }
.animate-pulse { animation: pulse 2s infinite; }

/* ═══ Responsive ═══ */
@media (max-width: 1024px) {
    .grid-6 { grid-template-columns: repeat(4, 1fr); }
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
    .grid-6 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3, .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .col-4, .col-6, .col-8, .col-10 { flex: 0 0 100%; max-width: 100%; }
    .row { flex-direction: column; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}

@media (max-width: 480px) {
    .grid-6, .grid-4, .grid-3, .grid-2, .grid-auto { grid-template-columns: repeat(2, 1fr); }
    .btn-lg { padding: 0.75rem 1.25rem; }
}