/* 
 * Notepad Perfect - Premium Light Mode CSS (v2.6 Revizyonlu)
 * Lüks aydınlık tema, 17 kritik UI/UX revizyonu ve dikey yükseklik optimizasyonları.
 */

/* ==========================================================================
   1. CORE VARIABLES & SETTINGS (LÜKS AYDINLIK MOD)
   ========================================================================== */
:root {
    --brand-glow: 0 0 20px rgba(139, 92, 246, 0.1);
    --neon-blue: #3b82f6;
    --neon-purple: #8b5cf6;
    --neon-pink: #ec4899;

    --bg-color: #f8f7fa;
    --panel-color: #ffffff;
    --border-color: #e4e2eb;
    --text-color: #000000; /* GÖREV 5: Varsayılan not yazı rengi tam siyah */
    --text-secondary: #5e5d70;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: #dcd9e8;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #b9b6cb;
}

/* Hide scrollbar */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}
.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* ==========================================================================
   2. DİKEY YÜKSEKLİK VE ALAN OPTİMİZASYONLARI (GÖREV 3)
   ========================================================================== */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease;
}

/* GÖREV 1 & GÖREV 3: Header dikey yükseklik footprint daraltıldı */
header {
    background-color: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid var(--border-color) !important;
    padding-top: 0.35rem !important;
    padding-bottom: 0.35rem !important;
    height: 44px !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.bg-darkPanel {
    background-color: var(--panel-color) !important;
}

.border-darkBorder {
    border-color: var(--border-color) !important;
}

/* API Ayarları Modali ve Varyasyonlar */
#settingsModal > div:last-child,
#aiVaryationsPanel,
#tabContextMenu,
#aiActionBar {
    background-color: rgba(255, 255, 255, 0.98) !important;
    border: 1px solid var(--border-color) !important;
    color: #1f1f2e !important;
    box-shadow: 0 8px 24px rgba(31, 31, 46, 0.08) !important;
}

#aiPromptInput {
    background-color: #f3f2f7 !important;
    color: #1f1f2e !important;
    border: 1px solid var(--border-color) !important;
}

/* ==========================================================================
   3. PREMIUM ANIMATIONS & SHIMMERS
   ========================================================================== */
@keyframes spin-slow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.animate-spin-slow {
    animation: spin-slow 12s linear infinite;
}

/* Skeleton Shimmer (Loading State Perfect) */
@keyframes shimmerWave {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
.skeleton-shimmer {
    background: linear-gradient(90deg, #f0eef5 25%, #e4e2eb 50%, #f0eef5 75%);
    background-size: 200% 100%;
    animation: shimmerWave 1.6s infinite linear;
}

/* Progress-bar background for loading states */
@keyframes progressFill {
    0% { width: 0%; }
    100% { width: 100%; }
}
.btn-progress-active {
    position: relative;
    overflow: hidden;
}
.btn-progress-active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    animation: progressFill 2.5s infinite linear;
}

/* ==========================================================================
   4. SEKMELER VE YENİ SEKME (TABS & PLUS PERFECT - GÖREV 3 & GÖREV 4)
   ========================================================================== */
/* GÖREV 3: Sekme barı ve sekmelerin dikey dolguları daraltıldı */
.tab-bar-container {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.tab-item {
    transition: all 0.2s ease;
    position: relative;
    background-color: #ffffff;
    border-color: var(--border-color);
    color: var(--text-secondary);
    padding-top: 0.25rem !important;
    padding-bottom: 0.25rem !important;
    height: 28px !important;
    border-radius: 0.5rem !important;
}
.tab-item:hover {
    color: #111827;
    background-color: #f3f2f7;
}
.tab-item::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 10%;
    width: 80%;
    height: 2px;
    background: transparent;
    transition: all 0.2s ease;
    border-radius: 4px;
}
.tab-item.active {
    background-color: #ffffff !important;
    color: #111827 !important;
    border-color: rgba(139, 92, 246, 0.4) !important;
    box-shadow: 0 2px 6px rgba(139, 92, 246, 0.04) !important;
}
.tab-item.active::after {
    background: var(--neon-purple);
    box-shadow: 0 0 8px rgba(139, 92, 246, 0.4);
}

/* GÖREV 4: Yeni sekme mor (+) butonunun kontrastı agresif olarak artırıldı */
#btnNewTab {
    background-color: #7c3aed !important; /* Koyu mor */
    border: 1px solid #6d28d9 !important;
    color: #ffffff !important; /* Net beyaz artı */
    width: 26px !important;
    height: 26px !important;
    border-radius: 0.5rem !important;
    margin-left: 0.5rem !important;
    box-shadow: 0 2px 6px rgba(124, 58, 237, 0.2) !important;
}
#btnNewTab:hover {
    background-color: #6d28d9 !important;
    transform: scale(1.05);
}

/* ==========================================================================
   5. METİN EDİTÖRÜ DÜZENLEMELERİ (GÖREV 5 & GÖREV 6)
   ========================================================================== */
/* GÖREV 5: Yazı rengi net siyah ve GÖREV 6: üst boşluk sıfırlandı */
#editorTextarea {
    color: #000000 !important;
    padding-top: 0.75rem !important; /* Üstteki gereksiz beyaz alan daraltıldı */
    font-weight: 500;
    background-color: transparent !important;
    transition: font-size 0.15s ease;
}

/* GÖREV 6: Yapıştır butonunun boyutu küçültülerek minimalist hale getirildi */
#btnQuickAction {
    height: 26px !important;
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
    border-radius: 0.375rem !important;
    font-size: 10px !important;
}

/* ==========================================================================
   6. BÜTÜNSEL KOMPAKT FOOTER (GÖREV 7)
   ========================================================================== */
#editorPlainContainer > div:last-child {
    padding-top: 0.25rem !important;
    padding-bottom: 0.25rem !important;
    height: 24px !important;
    font-size: 10px !important;
    background-color: #ffffff !important;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

/* ==========================================================================
   7. FOCUS MODE (TAM EKRAN YAZMA - GÖREV 13)
   ========================================================================== */
/* Focus mod aktifken header, sekme barı ve footer tamamen gizlenir */
body.focus-mode header {
    transform: translateY(-100%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

body.focus-mode .relative.z-10.flex.items-center.justify-between.px-6.py-2,
body.focus-mode .tab-bar-container {
    transform: translateY(-150%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

body.focus-mode #editorPlainContainer > div:last-child {
    transform: translateY(100%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

body.focus-mode #editorTextarea {
    padding-top: 1.5rem !important; /* Odak modunda konforlu üst boşluk */
}

/* GÖREV 7: Focus mode handle pin hover/touch triggers (Responsive Edge Detection) */
#topRevealPin, #bottomRevealPin {
    left: 0 !important;
    width: 100% !important;
    transform: none !important;
    height: 10px !important;
    background: transparent !important;
    border-radius: 0 !important;
    z-index: 100 !important;
}
/* Focus Mode Tıklama Edge Alanları (#focusmodee) */
body.focus-mode #topRevealPin {
    height: 82px !important; /* Header (44px) + Sekmeler (38px) alanı kadar geniş tıklama bölgesi */
    opacity: 1 !important;
    pointer-events: auto !important;
}
body.focus-mode #bottomRevealPin {
    height: 24px !important; /* Footer alanı kadar tıklama bölgesi */
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* ==========================================================================
   8. PLAIN / MD TOGGLE BUTON KONTRASTI (GÖREV 11)
   ========================================================================== */
#btnToggleMode span {
    color: #4b5563 !important; /* Aydınlık modda görünür koyu gri */
    font-weight: 700 !important;
}
#btnToggleMode span.text-white {
    color: #ffffff !important; /* Seçili modda beyaz */
}

/* ==========================================================================
   9. PARAGRAF VE GRUP DÜZEYİ MİKRO AKSİYONLAR (GÖREV 8)
   ========================================================================== */
.md-block-wrapper {
    position: relative;
    padding-right: 4.5rem;
    transition: background-color 0.2s ease;
    border-radius: 0.5rem;
    margin-top: 0.25rem !important;
    margin-bottom: 0.25rem !important;
    padding-top: 0.15rem !important;
    padding-bottom: 0.15rem !important;
}
.md-block-wrapper:hover {
    background-color: rgba(139, 92, 246, 0.02);
}

/* GÖREV 8: Her enter tuşunun bir paragraf olması ve sağ üst köşede hızlı aksiyon ikonları */
.paragraph-action-bar {
    position: absolute;
    right: 0.25rem;
    top: 0.25rem; /* Blokların sağ üst köşesinde konumlanması */
    transform: none !important;
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
    background-color: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 2px 8px rgba(31, 31, 46, 0.04) !important;
    padding: 0.05rem !important;
    border-radius: 0.375rem !important;
    user-select: none !important; /* AYM: Metin seçerken aksiyon butonlarının seçime girmesini önler */
    z-index: 40 !important; /* AYM: Düzenleme textarea'sının (z-30) her zaman üstünde kalması için */
}
.md-block-wrapper:hover .paragraph-action-bar,
.md-block-wrapper.force-hover .paragraph-action-bar,
.md-block-wrapper:focus-within .paragraph-action-bar { /* GÖREV 6 & AYM: Düzenlenirken/odaklanırken barı göster */
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* Boş satır akıllı Paste pini */
.empty-line-paste-target {
    position: relative;
    min-height: 1.25rem;
    background-color: #ffffff;
    border: 1px dashed var(--border-color);
    margin-top: 0.5rem !important;
    margin-bottom: 0.5rem !important;
    user-select: none !important; /* AYM: Boş alan yapıştırma butonunun seçilmesini önler */
}

/* ==========================================================================
   10. MARKDOWN TYPOGRAPHY ENHANCEMENTS (PROSE - COMPACT LIGHT)
   ========================================================================== */
#markdownRenderArea {
    font-size: 0.95rem;
    line-height: 1.6;
    transition: font-size 0.15s ease;
}
#markdownRenderArea h1 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    color: #1f1f2e;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}
#markdownRenderArea h2 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: #334155;
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    font-size: 1.25rem;
}
#markdownRenderArea p {
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
    color: #334155;
}
#markdownRenderArea blockquote {
    border-left: 3px solid var(--neon-purple);
    background: rgba(139, 92, 246, 0.02);
    padding: 0.5rem 0.75rem;
    border-radius: 0 0.5rem 0.5rem 0;
    margin: 0.5rem 0;
    font-style: italic;
    color: #6d28d9;
}
#markdownRenderArea code {
    background: #f1f0f5;
    color: #db2777;
    padding: 0.1rem 0.25rem;
    border-radius: 0.25rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
}
#markdownRenderArea pre {
    background: #fdfdfd;
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: 0.75rem;
    overflow-x: auto;
    margin: 0.5rem 0;
}

/* ==========================================================================
   11. PARAGRAF ANINDA DÜZENLEME (INLINE BLOCK EDIT TEXTAREA)
   ========================================================================== */
.inline-edit-textarea {
    width: 100%;
    background-color: #ffffff;
    border: 1.5px solid var(--neon-purple);
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: #000000;
    font-family: 'Outfit', 'Inter', sans-serif;
    font-size: 0.95rem;
    line-height: 1.5;
    outline: none;
    resize: vertical;
    box-shadow: 0 2px 10px rgba(139, 92, 246, 0.06);
}

/* ==========================================================================
   12. TOAST NOTİFİKASYONLARI LEJAND VE OKUNABİLİRLİK (GÖREV 10 & 7)
   ========================================================================== */
#toastContainer div {
    padding: 0.5rem 0.75rem !important; /* GÖREV 7: Ultra-kompakt */
    border-radius: 0.75rem !important;
    box-shadow: 0 4px 15px rgba(31, 31, 46, 0.08) !important;
    min-width: 200px;
}

#toastContainer span.font-mono {
    font-weight: 800 !important;
    font-size: 10.5px !important;
    letter-spacing: 0.07em !important;
    color: #111827 !important;
}

#toastContainer p {
    font-weight: 600 !important; /* GÖREV 10: Metin kalınlığı artırıldı */
    color: #1f2937 !important; /* GÖREV 10: Okunabilir koyu gri */
    line-height: 1.5 !important;
    margin-top: 0.25rem !important;
    font-size: 11.5px !important;
}

#toastContainer button.underline {
    color: #7c3aed !important;
    font-weight: 700 !important;
    font-size: 9.5px !important;
}

/* ==========================================================================
   13. MOBİL RESPONSIVE FULL BLEED SIFIRLAMA (GÖREV 17 & 4)
   ========================================================================== */
@media (max-width: 768px) {
    #editorTextarea, #markdownRenderArea {
        padding-left: 0.35rem !important; /* Telefon sol boşluk %75 oranında daraltıldı (#mobilepaddingg) */
        padding-right: 0.35rem !important; /* Telefon sağ boşluk %75 oranında daraltıldı (#mobilepaddingg) */
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
    }
    
    .md-block-wrapper {
        padding-left: 0.25rem !important;
        padding-right: 2.2rem !important; /* Mobilde sağdaki butonlar için daraltılmış güvenli alan (#mobilepaddingg) */
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    /* Sekme barını mobilde daha sola yanaştırma */
    .tab-bar-container {
        padding-left: 0.25rem !important;
    }
}

/* ==========================================================================
   14. CONTROLS & MOBİL DOKUNMATİK HEDEFLERİ BÜYÜTME (GÖREV 18)
   ========================================================================== */
.ctrl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background-color: #f3f2f7;
    border: 1px solid var(--border-color);
    color: #4b5563;
    font-weight: 700;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}
.ctrl-btn:hover {
    border-color: rgba(139, 92, 246, 0.4);
    color: #111827;
    background-color: #ede9fe;
}
.ctrl-btn:active {
    transform: scale(0.95);
}
.ctrl-label {
    font-size: 11px;
}
.ctrl-icon {
    width: 16px;
    height: 16px;
}

/* PLAIN / MD Toggle (GÖREV 1) */
.toggle-mode-btn {
    position: relative;
    display: inline-flex;
    height: 32px;
    width: 80px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background-color: #f3f2f7;
    border: 1px solid var(--border-color);
    padding: 4px;
    cursor: pointer;
    overflow: hidden;
    user-select: none;
}
.toggle-pill {
    position: absolute;
    left: 4px;
    height: 22px;
    width: 34px;
    border-radius: 4px;
    background-color: #ffffff; /* Contrast inwards */
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid #e4e2eb;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.toggle-label {
    position: relative;
    z-index: 10;
    width: 36px;
    text-align: center;
    font-size: 10px;
    font-weight: 700;
    color: #9ca3af; /* Distinct readable gray */
    transition: color 0.2s ease, font-weight 0.2s ease;
}
.toggle-label.active-text {
    color: #000000 !important;
    font-weight: 900 !important;
}
.toggle-label-right {
    width: 36px;
}

/* AI Butonları */
.ai-btn {
    height: 32px;
    padding: 0 12px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    transition: all 0.2s;
    cursor: pointer;
}
.ai-btn-primary {
    background-color: #7c3aed;
    color: #ffffff;
    border: 1px solid #6d28d9;
}
.ai-btn-primary:hover {
    background-color: #6d28d9;
}
.ai-btn-ghost {
    background-color: #f3f2f7;
    color: #4b5563;
    border: 1px solid var(--border-color);
}
.ai-btn-ghost:hover {
    background-color: #ede9fe;
    color: #7c3aed;
    border-color: rgba(139, 92, 246, 0.3);
}
.ai-btn-cancel {
    background-color: #fee2e2;
    color: #ef4444;
    border: 1px solid #fca5a5;
}
.ai-btn-cancel:hover {
    background-color: #fca5a5;
}

/* Mobil cihazlarda dokunmatik hedefleri daha da büyütelim (GÖREV 18) */
@media (max-width: 768px) {
    header {
        height: 54px !important; /* Mobilde biraz daha yüksek */
    }
    .ctrl-btn {
        width: 38px;
        height: 38px;
        border-radius: 10px;
    }
    .ctrl-icon {
        width: 18px;
        height: 18px;
    }
    .toggle-mode-btn {
        height: 38px;
        width: 90px;
        padding: 5px;
    }
    .toggle-pill {
        height: 26px;
        width: 38px;
        left: 5px;
    }
    .toggle-label {
        width: 40px;
        font-size: 11px;
    }
    #btnNewTab {
        width: 32px !important;
        height: 32px !important;
    }
    .ai-btn {
        height: 38px;
        padding: 0 16px;
        font-size: 12px;
    }
}

/* ==========================================================================
   15. MASAÜSTÜ PREMIUM NOT DEFTERİ ESTETİĞİ (LAYOUT COHERENCE)
   ========================================================================== */
@media (min-width: 769px) {
    #editorTextarea,
    #markdownRenderArea {
        max-width: 1400px !important; /* Premium geniş okuma/yazma genişliği */
        margin-left: auto !important;
        margin-right: auto !important;
        padding-left: 3rem !important;
        padding-right: 3rem !important;
        transition: max-width 0.25s ease;
    }

    /* PC için satır eylem butonları solda olsun (#pcbuttonn) */
    .md-block-wrapper {
        padding-left: 4.5rem !important; /* Yazının solunu örtmemesi için güvenli 4.5rem */
        padding-right: 0.5rem !important;
    }
    
    .paragraph-action-bar {
        left: 0.25rem !important;
        right: auto !important;
    }
}

/* Drag & Drop Görsel Geri Bildirim Stilleri (#dragdrop) */
.md-block-wrapper.drag-hover-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(139, 92, 246, 0.4);
    z-index: 50 !important;
}
.md-block-wrapper.drag-hover-bottom::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-purple));
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(139, 92, 246, 0.4);
    z-index: 50 !important;
}
.md-block-wrapper[draggable="true"] {
    cursor: grabbing !important;
    opacity: 0.7;
    background-color: rgba(139, 92, 246, 0.05) !important;
    border: 1px dashed rgba(139, 92, 246, 0.3) !important;
}

/* Düz Mod (PLAIN) Blok Görünüm Stilleri (#plainmodee) */
#markdownRenderArea.plain-mode-active {
    font-family: 'JetBrains Mono', 'Courier New', monospace !important;
    white-space: pre-wrap !important;
}
#markdownRenderArea.plain-mode-active h1,
#markdownRenderArea.plain-mode-active h2,
#markdownRenderArea.plain-mode-active h3,
#markdownRenderArea.plain-mode-active p,
#markdownRenderArea.plain-mode-active blockquote,
#markdownRenderArea.plain-mode-active code,
#markdownRenderArea.plain-mode-active li {
    font-family: 'JetBrains Mono', 'Courier New', monospace !important;
    font-size: 0.95rem !important;
    font-weight: 500 !important;
    color: #000000 !important;
    border: none !important;
    background: none !important;
    padding: 0 !important;
    margin: 0.25rem 0 !important;
    list-style: none !important;
}

/* Açık Mavi Link Stilleri (#linkk) */
#markdownRenderArea a {
    color: #3b82f6 !important; /* Premium Açık Mavi */
    text-decoration: underline;
    font-weight: 600;
    transition: color 0.15s ease;
}
#markdownRenderArea a:hover {
    color: #60a5fa !important; /* Daha Açık Mavi Hover */
}
#markdownRenderArea a::after {
    content: ' ↗';
    font-size: 0.75em;
    opacity: 0.55;
    font-weight: bold;
    display: inline-block;
    transition: transform 0.15s ease;
}
#markdownRenderArea a:hover::after {
    transform: translate(1px, -1px);
    opacity: 0.85;
}