/* CSS Değişkenleri */
:root {
    --bg-color: #eef2f7;
    --header-text: #2c3e50;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);

    /* Footer */
    --footer-bg: #ffffff;
    --footer-text: #64748b;
    --footer-border: #e2e8f0;

    /* Kartlar (Aydınlık Mod) */
    --card-bg: #ffffff;
    --card-text: #333333;
    --card-border: #e2e8f0;
    --code-bg: #f1f5f9;
}

/* Karanlık Mod */
[data-theme="dark"] {
    --bg-color: #0f172a;
    --header-text: #e2e8f0;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;

    /* Footer Dark */
    --footer-bg: #1e293b;
    --footer-text: #94a3b8;
    --footer-border: #334155;

    /* Kartlar (Karanlık Mod) */
    --card-bg: #1e293b;
    --card-text: #e2e8f0;
    --card-border: #334155;
    --code-bg: #0d1117;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--header-text);
    margin: 0;
    padding: 0;
    overflow-y: auto;
    transition: background-color 0.3s ease;
}

/* Header */
header {
    text-align: center;
    padding: 15px 0;
}

header h2 {
    margin: 0;
    font-weight: 700;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

/* Ana Konteyner */
.main-container {
    display: flex;
    gap: 20px;
    padding: 0 20px;
    /* Ekranın %85'ini kaplasın, sabit kalsın */
    height: 85vh;
    box-sizing: border-box;
    margin-bottom: 40px;
}

/* Sol ve Sağ Paneller */
.left-panel,
.right-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    /* İçindekileri alt alta dizer */
    background: #ffffff !important;
    color: #333333 !important;
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid #ddd;

    /* Panel boyutu sabittir, panelin kendisi kaymaz */
    height: 100%;
    overflow: hidden;
    position: relative;
}

.right-panel {
    /* Sağ panelde önizleme uzun olabilir, o yüzden scroll açık */
    overflow-y: auto;
}

/* Textarea Ayarları - DÜZELTİLEN KISIM */
textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    box-sizing: border-box;
    font-size: 14px;
    background-color: #f8fafc;
    color: #333;
    outline: none;

    /* FLEXBOX BÜYÜSÜ: Kalan tüm alanı kapla */
    flex: 1;

    /* İçerik taşarsa textarea'nın kendisi scroll olsun */
    overflow-y: auto;
    resize: none;
    /* Elle çekip büyütmeyi kapat */
    display: block;
}

textarea:focus {
    border-color: var(--accent-color);
    background-color: #fff;
}

/* Butonlar */
.button-group {
    display: flex;
    gap: 10px;
    /* Butonlar asla büzüşmesin, sabit kalsın */
    flex-shrink: 0;
    margin-top: auto;
}

button.action-btn {
    flex: 1;
    padding: 12px;
    font-size: 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    border: none;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

#btn-sample {
    background-color: #f1f5f9;
    color: #475569;
}

#btn-sample:hover {
    background-color: #e2e8f0;
}

#btn-preview {
    background-color: #475569;
    color: #fff;
}

#btn-preview:hover {
    background-color: #334155;
}

#btn-print {
    background-color: var(--accent-color);
    color: white;
}

#btn-print:hover {
    background-color: var(--accent-hover);
}

/* Önizleme Stilleri */
#preview-content {
    line-height: 1.7;
}

#preview-content h1,
#preview-content h2 {
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}

/* Kod Blokları */
#preview-content pre {
    background-color: #f6f8fa;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid #d0d7de;
}

#preview-content :not(pre)>code {
    background-color: rgba(175, 184, 193, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    color: #24292f;
}

/* Blockquote (Alıntı) Düzeltmesi */
#preview-content blockquote {
    border-left: 5px solid #dfe2e5;
    padding-left: 15px;
    margin-left: 0;
    margin-right: 0;
    font-style: italic;
}

/* İpuçları ve FAQ Alanları */
.cheat-sheet-section,
.faq-section {
    padding: 40px 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--header-text);
    font-weight: 700;
}

.grid-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.cheat-card {
    background: var(--card-bg);
    color: var(--card-text);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow);
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    transition: background 0.3s, color 0.3s;
}

.faq-card p {
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0.9;
}

.cheat-card h3 {
    margin-top: 0;
    color: var(--accent-color);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cheat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 4px;
}

.code-snippet {
    font-family: 'JetBrains Mono', monospace;
    background: var(--code-bg);
    color: #c7254e;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    border-top: 1px solid var(--footer-border);
    padding: 25px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    color: var(--footer-text);
}

.footer-left {
    font-weight: 500;
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 5px;
}

.heart-icon {
    color: #06b6d4;
}

/* Tema Butonları */
.theme-switcher-pill {
    background-color: var(--bg-color);
    border: 1px solid var(--footer-border);
    border-radius: 24px;
    padding: 4px;
    display: flex;
    gap: 2px;
}

.theme-btn {
    background: none;
    border: none;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--footer-text);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-btn.active {
    background-color: var(--footer-bg);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    color: var(--accent-color);
}

[data-theme="dark"] .theme-btn.active {
    background-color: #334155;
    color: #60a5fa;
}

/* Scrollbar Özelleştirme */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Scrollbar üzerindeyken imleci normale (ok işaretine) çevirmeye çalışır */
::-webkit-scrollbar,
::-webkit-scrollbar-thumb,
::-webkit-scrollbar-track {
    cursor: default;
}

/* Yazdırma Ayarları */
@media print {

    .left-panel,
    header,
    .button-group,
    .cheat-sheet-section,
    .faq-section,
    footer {
        display: none !important;
    }

    body,
    .main-container {
        height: auto;
        overflow: visible;
        display: block;
        background: white;
    }

    .right-panel {
        width: 100%;
        height: auto;
        overflow: visible;
        border: none;
        box-shadow: none;
        padding: 0;
    }

    @page {
        margin: 20mm;
    }
}