/* ==============================================================================
   PDF Dijital Evrak - Özel Stil ve Animasyon Dosyası (Swiss Clean Minimalist Teması)
   Apple & Stripe Tarzı Temiz, Ferah ve Modern Tasarım Sistemi
   ============================================================================== */

:root {
    --color-bg-page: #f8fafc;
    --color-card: #ffffff;
    --color-text-main: #0f172a;
    --color-text-muted: #64748b;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-success: #059669;
    --color-warning: #d97706;
    --color-danger: #e11d48;
    --color-border: #e2e8f0;
    --color-border-subtle: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
    --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    --shadow-glow: 0 0 24px -2px rgba(37, 99, 235, 0.25);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Typography - Modern Sans (Plus Jakarta Sans & Inter) */
body {
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
    background-color: var(--color-bg-page);
    color: var(--color-text-main);
    letter-spacing: -0.011em;
}

.font-editorial,
.font-display {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif !important;
    letter-spacing: -0.025em;
    font-weight: 800;
}

.font-figtree,
.font-sans {
    font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif !important;
}

/* ==============================================================================
   KARTLAR & YÜZEYLER (SWISS CLEAN CARDS)
   ============================================================================== */
.card-cream,
.card-clean {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    color: var(--color-text-main);
    box-shadow: var(--shadow-md);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-cream:hover,
.card-clean:hover {
    box-shadow: var(--shadow-lg);
    border-color: #cbd5e1;
    transform: translateY(-2px);
}

@media (max-width: 640px) {
    .card-cream,
    .card-clean {
        border-radius: var(--radius-md);
        padding: 18px;
    }
}

.dark .card-cream,
.dark .card-clean {
    background-color: #131b2e !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
    color: #f8fafc !important;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5) !important;
}

.dark .card-cream:hover,
.dark .card-clean:hover {
    border-color: rgba(99, 102, 241, 0.4) !important;
    box-shadow: 0 14px 36px -8px rgba(0, 0, 0, 0.6) !important;
}

/* ==============================================================================
   BUTON BİLEŞENLERİ (SWISS CLEAN BUTTONS)
   ============================================================================== */
/* Ana Aksiyon Butonu (Primary Electric Blue) */
.btn-lavender,
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--color-primary);
    color: #ffffff !important;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    padding: 10px 20px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    text-decoration: none;
}

.btn-lavender:hover,
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
}

.dark .btn-lavender,
.dark .btn-primary {
    background-color: #2563eb;
    color: #ffffff !important;
    border-color: #3b82f6;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
}

.dark .btn-lavender:hover,
.dark .btn-primary:hover {
    background-color: #1d4ed8;
    border-color: #60a5fa;
}

/* İkincil Buton (White / Slate Outline) */
.btn-cream,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #ffffff;
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    text-decoration: none;
}

.btn-cream:hover,
.btn-secondary:hover {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

.dark .btn-cream,
.dark .btn-secondary {
    background-color: #1e293b;
    color: #f8fafc;
    border-color: #334155;
    box-shadow: none;
}

.dark .btn-cream:hover,
.dark .btn-secondary:hover {
    background-color: #334155;
    border-color: #475569;
}

/* Yeşil / Başarı Butonu (Forest / Emerald) */
.btn-forest,
.btn-success {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--color-success);
    color: #ffffff !important;
    border: 1px solid var(--color-success);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    padding: 10px 20px;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    text-decoration: none;
}

.btn-forest:hover,
.btn-success:hover {
    background-color: #047857;
    transform: translateY(-1px);
}

/* ==============================================================================
   ROZETLER & BADGE BİLEŞENLERİ
   ============================================================================== */
.badge-forest {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 9999px;
    line-height: 1.4;
}

.dark .badge-forest {
    background-color: rgba(5, 150, 105, 0.15);
    color: #34d399;
    border-color: rgba(5, 150, 105, 0.3);
}

.tool-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 9999px;
    line-height: 1.4;
    letter-spacing: 0.02em;
}

.dark .tool-badge {
    background-color: rgba(37, 99, 235, 0.15);
    color: #93c5fd;
    border-color: rgba(37, 99, 235, 0.3);
}

/* ==============================================================================
   YÜZEN NAVİGASYON (SWISS FLOATING PILL)
   ============================================================================== */
.floating-nav-pill {
    background-color: rgba(255, 255, 255, 0.88) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(226, 232, 240, 0.9) !important;
    border-radius: 9999px !important;
    box-shadow: 0 8px 30px -4px rgba(15, 23, 42, 0.07), 0 2px 6px -1px rgba(15, 23, 42, 0.03) !important;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-nav-pill:hover {
    box-shadow: 0 12px 36px -4px rgba(15, 23, 42, 0.1) !important;
}

.dark .floating-nav-pill {
    background-color: rgba(15, 23, 42, 0.85) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5) !important;
}

/* ==============================================================================
   MOBİL MENÜ VE ÇEKMECE PANELİ (SWISS CLEAN)
   ============================================================================== */
#mobile-menu {
    background-color: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.9) !important;
    color: #0f172a;
    box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.12) !important;
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

#mobile-menu.open {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.dark #mobile-menu {
    background-color: #0f172a !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
    color: #f8fafc !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.85) !important;
}

/* Mobil Menü Butonu & Kapatma İkonu Karanlık Mod */
#mobile-menu-btn {
    background-color: transparent !important;
    color: #334155 !important;
    outline: none !important;
    box-shadow: none !important;
}

#mobile-menu-btn:hover,
#mobile-menu-btn:focus,
#mobile-menu-btn:active {
    background-color: rgba(241, 245, 249, 0.9) !important;
    color: #0f172a !important;
}

.dark #mobile-menu-btn {
    color: #e2e8f0 !important;
    background-color: transparent !important;
}

.dark #mobile-menu-btn:hover,
.dark #mobile-menu-btn:focus,
.dark #mobile-menu-btn:active {
    background-color: rgba(30, 41, 59, 0.85) !important;
    color: #ffffff !important;
}

/* Mobil Menü İçindeki Araç Kartları */
.mobile-tool-card {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #334155;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-tool-card:hover {
    background-color: #eff6ff;
    color: #2563eb;
    border-color: #bfdbfe;
}

.dark .mobile-tool-card {
    background-color: rgba(30, 41, 59, 0.85) !important;
    border-color: rgba(51, 65, 85, 0.7) !important;
    color: #e2e8f0 !important;
}

.dark .mobile-tool-card:hover {
    background-color: rgba(51, 65, 85, 0.95) !important;
    border-color: rgba(96, 165, 250, 0.6) !important;
    color: #ffffff !important;
}

.dark .mobile-tool-card i {
    color: #60a5fa !important;
}

/* Mobil Menü İçi Panel Bölmeleri & Çizgileri */
.mobile-menu-section {
    background-color: #f8fafc;
    border: 1px solid #f1f5f9;
}

.dark .mobile-menu-section {
    background-color: rgba(30, 41, 59, 0.65) !important;
    border-color: rgba(51, 65, 85, 0.7) !important;
    color: #f8fafc !important;
}

.dark .mobile-menu-divider {
    border-color: rgba(51, 65, 85, 0.65) !important;
}

.dark #mobile-menu a.mobile-nav-link {
    color: #94a3b8;
}

.dark #mobile-menu a.mobile-nav-link:hover {
    color: #ffffff;
    background-color: rgba(30, 41, 59, 0.8);
}

/* Mobil Menü Backdrop */
#mobile-menu-backdrop {
    transition: opacity 0.25s ease-out;
}

#mobile-menu-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

/* Mobil Menü Özel İnce Kaydırma Çubuğu */
#mobile-menu::-webkit-scrollbar {
    width: 5px;
}
#mobile-menu::-webkit-scrollbar-track {
    background: transparent;
}
#mobile-menu::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.4);
    border-radius: 9999px;
}
.dark #mobile-menu::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.3);
}

/* ==============================================================================
   DROPZONE (SÜRÜKLE BIRAK DOSYA YÜKLEME ALANI)
   ============================================================================== */
#dropzone-step,
.dropzone-card {
    background-color: #ffffff;
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

#dropzone-step:hover,
.dropzone-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 12px 36px -4px rgba(37, 99, 235, 0.12);
    transform: translateY(-2px);
}

#dropzone-step.dragover,
.dropzone-dashed.dragover {
    background-color: #eff6ff !important;
    border-color: var(--color-primary) !important;
    border-style: solid;
    box-shadow: var(--shadow-glow);
    transform: scale(1.01);
}

.dark #dropzone-step,
.dark .dropzone-card {
    background-color: #131b2e !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5) !important;
}

.dark #dropzone-step:hover,
.dark .dropzone-card:hover {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 40px -10px rgba(37, 99, 235, 0.4) !important;
}

.dark #dropzone-step.dragover,
.dark .dropzone-dashed.dragover {
    background-color: rgba(37, 99, 235, 0.12) !important;
    border-color: #60a5fa !important;
}

/* ==============================================================================
   ARAÇ KARTLARI (TOOL GRID CARDS)
   ============================================================================== */
.tool-card-item {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.tool-card-item:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.dark .tool-card-item {
    background-color: #131b2e !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
    box-shadow: none !important;
}

.dark .tool-card-item:hover {
    border-color: rgba(99, 102, 241, 0.45) !important;
    box-shadow: 0 14px 32px -8px rgba(0, 0, 0, 0.6), 0 0 20px rgba(99, 102, 241, 0.15) !important;
}

/* Kategori Filtre Butonları */
.category-filter-btn {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
}

.category-filter-btn:hover {
    background-color: #f1f5f9;
    color: var(--color-text-main);
    border-color: #cbd5e1;
}

.category-filter-btn.active,
.category-filter-btn.bg-ink {
    background-color: #0f172a !important;
    color: #ffffff !important;
    border-color: #0f172a !important;
    box-shadow: var(--shadow-sm);
}

.dark .category-filter-btn {
    background-color: #1e293b !important;
    border-color: #334155 !important;
    color: #94a3b8 !important;
}

.dark .category-filter-btn:hover {
    background-color: #334155 !important;
    color: #f8fafc !important;
}

.dark .category-filter-btn.active,
.dark .category-filter-btn.bg-ink {
    background-color: #2563eb !important;
    color: #ffffff !important;
    border-color: #2563eb !important;
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.4) !important;
}

/* ==============================================================================
   GÜVENLİK / ÖZELLİK ODASI (SWISS MODERN CHAMBER)
   ============================================================================== */
.chamber-dark {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
    border: 1px solid #334155 !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-lg) !important;
    color: #ffffff !important;
}

.dark .chamber-dark {
    background: linear-gradient(135deg, #090d16 0%, #131b2e 100%) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}

/* ==============================================================================
   FOOTER (SWISS MINIMAL ALTBİLGİ)
   ============================================================================== */
footer {
    background-color: #ffffff !important;
    border-top: 1px solid var(--color-border) !important;
    color: var(--color-text-muted) !important;
}

footer h4 {
    color: var(--color-text-main) !important;
}

footer a {
    color: var(--color-text-muted) !important;
    transition: color 0.15s ease;
}

footer a:hover {
    color: var(--color-primary) !important;
}

.dark footer {
    background-color: #0b0f19 !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
    color: #94a3b8 !important;
}

.dark footer h4 {
    color: #f8fafc !important;
}

.dark footer a:hover {
    color: #60a5fa !important;
}

/* ==============================================================================
   FORM ELEMANLARI (SWISS INPUTS)
   ============================================================================== */
input[type="text"],
input[type="email"],
input[type="password"],
select,
textarea {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-main);
    transition: all 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15) !important;
    outline: none !important;
}

.dark input[type="text"],
.dark input[type="email"],
.dark input[type="password"],
.dark select,
.dark textarea {
    background-color: #1e293b !important;
    border-color: #334155 !important;
    color: #f8fafc !important;
}

.dark input:focus,
.dark select:focus,
.dark textarea:focus {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2) !important;
}

/* ==============================================================================
   ARAÇ SAYFALARI UYUMU (tools/*.php BAŞLIK, EDİTÖR & AKSİYON BUTONLARI)
   ============================================================================== */
[id$="-app"] h1 {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif !important;
    font-size: 2.25rem !important;
    font-weight: 800 !important;
    line-height: 1.15 !important;
    letter-spacing: -0.025em !important;
    color: var(--color-text-main) !important;
}

@media (min-width: 640px) {
    [id$="-app"] h1 {
        font-size: 2.75rem !important;
    }
}

.dark [id$="-app"] h1 {
    color: #f8fafc !important;
}

[id$="-app"] h1 + p {
    color: var(--color-text-muted) !important;
}

/* Editör Adımları & Paneller */
[id$="-app"] #editor-step > .bg-white,
[id$="-app"] .bg-white.rounded-2xl,
[id$="-app"] .bg-white.rounded-xl,
[id$="-app"] .bg-slate-50.rounded-2xl {
    background-color: #ffffff !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-sm) !important;
    color: var(--color-text-main) !important;
}

.dark [id$="-app"] #editor-step > .bg-white,
.dark [id$="-app"] .bg-white.rounded-2xl,
.dark [id$="-app"] .bg-white.rounded-xl,
.dark [id$="-app"] .dark\:bg-slate-800,
.dark [id$="-app"] .dark\:bg-slate-900 {
    background-color: #131b2e !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: var(--radius-lg) !important;
    color: #f8fafc !important;
}

/* Araç Sayfası Ana Butonları (Primary CTA) */
[id$="-app"] button[id*="action-btn"],
[id$="-app"] button[id*="process-btn"],
[id$="-app"] button[id*="download-btn"],
[id$="-app"] button[id*="start-btn"],
[id$="-app"] button[id*="merge-btn"],
[id$="-app"] button[id*="split-btn"],
[id$="-app"] button[id*="compress-btn"],
[id$="-app"] button[id*="protect-btn"],
[id$="-app"] button[id*="unlock-btn"],
[id$="-app"] button[id*="convert-btn"] {
    background-color: var(--color-primary) !important;
    color: #ffffff !important;
    border: 1px solid var(--color-primary) !important;
    border-radius: var(--radius-md) !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3) !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

[id$="-app"] button[id*="action-btn"]:hover,
[id$="-app"] button[id*="process-btn"]:hover,
[id$="-app"] button[id*="download-btn"]:hover,
[id$="-app"] button[id*="start-btn"]:hover,
[id$="-app"] button[id*="merge-btn"]:hover,
[id$="-app"] button[id*="split-btn"]:hover,
[id$="-app"] button[id*="compress-btn"]:hover,
[id$="-app"] button[id*="protect-btn"]:hover,
[id$="-app"] button[id*="unlock-btn"]:hover,
[id$="-app"] button[id*="convert-btn"]:hover {
    background-color: var(--color-primary-hover) !important;
    border-color: var(--color-primary-hover) !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4) !important;
}

/* Küçük Resimler (Thumbnails) */
.page-thumb-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: #ffffff;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.page-thumb-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.dark .page-thumb-card {
    background-color: #1e293b;
    border-color: #334155;
}

/* Sayfa Silme Seçim Stili (Çarpıcı & Net Kırmızı Vurgu) */
.page-thumb-card.selected-for-delete {
    border: 2px solid #e11d48 !important;
    background-color: #fff1f2 !important;
    box-shadow: 0 0 0 4px rgba(225, 29, 72, 0.22), 0 8px 24px -4px rgba(225, 29, 72, 0.25) !important;
    transform: translateY(-2px) scale(0.99);
}

.dark .page-thumb-card.selected-for-delete {
    border-color: #f43f5e !important;
    background-color: rgba(76, 5, 25, 0.45) !important;
    box-shadow: 0 0 0 4px rgba(244, 63, 94, 0.25), 0 8px 24px -4px rgba(0, 0, 0, 0.6) !important;
}

.page-thumb-card.selected-for-delete img {
    opacity: 0.65;
    filter: grayscale(20%) brightness(0.95);
}

.page-thumb-card.selected-for-delete .delete-badge-overlay {
    display: flex !important;
    opacity: 1 !important;
}

.page-thumb-card.selected-for-delete .thumb-trash-icon {
    color: #e11d48 !important;
    background-color: #ffe4e6;
    border-radius: 9999px;
    padding: 3px;
    transform: scale(1.15);
}

.dark .page-thumb-card.selected-for-delete .thumb-trash-icon {
    color: #fb7185 !important;
    background-color: #4c0519;
}

.page-thumb-card.selected-for-delete .thumb-page-num {
    color: #e11d48 !important;
    font-weight: 800 !important;
    text-decoration: line-through;
}

.dark .page-thumb-card.selected-for-delete .thumb-page-num {
    color: #fb7185 !important;
}

/* Sayfa Üzerindeki Hızlı Büyüteç Butonu */
.thumb-zoom-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.95);
    color: #334155;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.18s ease;
    opacity: 0;
    transform: scale(0.9);
    z-index: 20;
}

.group:hover .thumb-zoom-btn,
.thumb-zoom-btn:focus,
.thumb-zoom-btn:hover {
    opacity: 1;
    transform: scale(1);
}

.thumb-zoom-btn:hover {
    background-color: #2563eb;
    color: #ffffff;
    border-color: #2563eb;
}

.dark .thumb-zoom-btn {
    background-color: rgba(30, 41, 59, 0.95);
    color: #cbd5e1;
    border-color: rgba(51, 65, 85, 0.8);
}

.dark .thumb-zoom-btn:hover {
    background-color: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
}

@media (hover: none) {
    .thumb-zoom-btn {
        opacity: 0.85 !important;
        transform: scale(1) !important;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
.dark ::-webkit-scrollbar-track {
    background: #0f172a;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 9999px;
}
.dark ::-webkit-scrollbar-thumb {
    background: #334155;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--color-primary) !important;
    outline-offset: 2px !important;
}

/* Toast Messages */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}
.toast-msg {
    pointer-events: auto;
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
}
@keyframes toastSlideIn {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* PDF Önizleme Modalı (90vh Tam Ekran ve Ferah Görüntüleyici) */
#pdf-preview-modal-content {
    width: 95vw !important;
    max-width: 1280px !important;
    height: 90vh !important;
    max-height: 920px !important;
    display: flex !important;
    flex-direction: column !important;
}

#pdf-preview-modal .pdf-iframe-wrapper {
    flex: 1 1 0% !important;
    min-height: 0 !important;
    height: 100% !important;
    position: relative !important;
    width: 100% !important;
}

#pdf-preview-iframe {
    width: 100% !important;
    height: 100% !important;
    min-height: 500px !important;
    border: 0 !important;
    display: block !important;
}