/* --- RENK PALETİ (AYDINLIK MOD) --- */
        :root {
            --primary-color: #B76E79;
            --secondary-color: #FFF0F6;
            --button-bg: #D4A5A5;
            --button-hover: #C58F8F;
            --accent-color: #9E7F7F;
            --bg-color: #FFF9F9;
            --card-bg: #FFFFFF;
            --text-color: #4E342E;
            --text-light: #8D6E63;
            --border-color: #F0E6E6;
            --note-bg: #FFF0F5;
            --success-bg: #E8F5E9;
            --success-text: #2E7D32;
            --shadow-color: rgba(183, 110, 121, 0.15);
            --header-bg: rgba(255, 249, 249, 0.95);
            --ramadan-primary: #4CAF50; /* Ramazan için Yeşil */
            --ramadan-bg: #E8F5E9;
        }

        /* --- KOYU MOD DEĞİŞKENLERİ --- */
        [data-theme="dark"] {
            --primary-color: #E08E98;
            --secondary-color: #2D2D2D;
            --button-bg: #A07070;
            --button-hover: #805050;
            --accent-color: #C0A0A0;
            --bg-color: #1A1A1A;
            --card-bg: #252525;
            --text-color: #EAEAEA;
            --text-light: #B0B0B0;
            --border-color: #444444;
            --note-bg: #333333;
            --success-bg: #1B3320;
            --success-text: #4CAF50;
            --shadow-color: rgba(0, 0, 0, 0.3);
            --header-bg: rgba(26, 26, 26, 0.95);
        }

        /* --- RAMAZAN MODU (OTOMATİK AKTİF OLUR) --- */
        body.ramadan-mode {
            --primary-color: var(--ramadan-primary);
            --button-bg: #45a049;
            --button-hover: #3d8b40;
            --accent-color: #8BC34A;
            --bg-color: var(--ramadan-bg);
            --note-bg: #C8E6C9;
            --shadow-color: rgba(76, 175, 80, 0.2);
        }

        * { box-sizing: border-box; margin: 0; padding: 0; transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease; }

        body {
            font-family: 'Lato', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.7;
        }

        a { text-decoration: none; color: inherit; transition: all 0.3s ease; }

        .container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

        /* HEADER */
        header {
            background: var(--header-bg);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            padding: 15px 0;
        }

        nav { display: flex; justify-content: space-between; align-items: center; }

        .logo {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo span {
            font-family: 'Scheherazade New', serif;
            font-size: 1.2rem;
            color: var(--accent-color);
        }

        .nav-links { display: flex; gap: 30px; }
        .nav-links a { font-weight: 400; color: var(--text-color); font-size: 0.95rem; position: relative; }
        .nav-links a::after {
            content: ''; position: absolute; width: 0; height: 2px; bottom: -5px; left: 0;
            background-color: var(--primary-color); transition: width 0.3s;
        }
        .nav-links a:hover::after { width: 100%; }

        .theme-toggle {
            background: transparent;
            border: 2px solid var(--border-color);
            color: var(--text-color);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-right: 15px;
        }
        .theme-toggle:hover { background: var(--note-bg); border-color: var(--primary-color); }

        /* PLANNER ALANI */
        .planner-wrapper {
            padding: 40px 0;
            background: linear-gradient(135deg, var(--bg-color) 0%, var(--secondary-color) 100%);
            min-height: calc(100vh - 150px);
        }

        .planner-header { text-align: center; margin-bottom: 30px; }
        .basmala { font-family: 'Scheherazade New', serif; font-size: 1.8rem; color: var(--primary-color); margin-bottom: 10px; direction: rtl; }
        .planner-header h1 { font-family: 'Playfair Display', serif; font-size: 2.5rem; color: var(--text-color); }
        
        .status-badge {
            display: inline-block;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 400;
            margin-bottom: 15px;
            background: var(--note-bg);
            color: var(--text-color);
            border: 1px solid var(--border-color);
        }
        body.ramadan-mode .status-badge {
            background: #4CAF50;
            color: white;
            border-color: #4CAF50;
        }

        .motivation-box {
            background: var(--note-bg);
            border-left: 4px solid var(--primary-color);
            padding: 15px;
            border-radius: 0 10px 10px 0;
            margin-top: 15px;
            font-style: italic;
            color: var(--text-color);
            display: inline-block;
            max-width: 800px;
        }

        /* SEKME BUTONLARI */
        .tabs-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 30px;
            gap: 15px;
        }
        .tabs { display: flex; gap: 10px; flex-wrap: wrap; }
        .tab-btn {
            background: transparent; border: 2px solid var(--border-color);
            font-family: 'Playfair Display', serif; font-size: 1rem; color: var(--text-light);
            cursor: pointer; padding: 10px 25px; border-radius: 25px;
            font-weight: 600; transition: all 0.3s;
        }
        .tab-btn:hover { background: var(--note-bg); color: var(--primary-color); }
        .tab-btn.active { background: var(--primary-color); color: white; border-color: var(--primary-color); box-shadow: 0 4px 10px var(--shadow-color); }

        .backup-controls { display: flex; gap: 10px; }
        .btn-secondary {
            background: transparent; border: 2px solid var(--border-color); color: var(--text-color);
            padding: 8px 20px; border-radius: 20px; cursor: pointer; font-weight: 600; font-size: 0.85rem;
            transition: all 0.3s; display: flex; align-items: center; gap: 5px;
        }
        .btn-secondary:hover { background: var(--note-bg); border-color: var(--primary-color); color: var(--primary-color); }

        /* BÖLÜMLER */
        .section { display: none; animation: fadeIn 0.5s ease; }
        .section.active { display: block; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

        .plan-card {
            background: var(--card-bg); border-radius: 20px; box-shadow: 0 4px 15px var(--shadow-color);
            padding: 25px; border: 1px solid var(--border-color); margin-bottom: 25px;
        }
        .plan-title {
            font-family: 'Playfair Display', serif; font-size: 1.3rem; color: var(--primary-color);
            margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center;
        }
        .date-display { font-size: 0.85rem; color: var(--text-light); }

        /* GÖREV LİSTESİ */
        .task-list { list-style: none; }
        .task-item {
            display: flex; align-items: center; gap: 15px; padding: 12px;
            background: var(--note-bg); border-radius: 12px; margin-bottom: 10px;
            transition: all 0.3s; border-left: 3px solid var(--primary-color);
        }
        .task-item.completed { opacity: 0.7; border-left-color: var(--success-text); }
        .task-checkbox { width: 22px; height: 22px; cursor: pointer; accent-color: var(--primary-color); }
        .task-text { flex-grow: 1; font-size: 0.95rem; }
        .task-category {
            font-size: 0.75rem; padding: 3px 10px; border-radius: 15px; color: white; font-weight: 600;
        }
        .cat-worship { background: #E88B8B; }
        .cat-study { background: #8BC4A4; }
        .cat-goal { background: #D4A5A5; }
        .cat-iftar { background: #FF9800; } /* Ramazan özel */
        .cat-sahur { background: #2196F3; } /* Ramazan özel */
        
        .delete-btn { background: transparent; border: none; color: var(--accent-color); cursor: pointer; font-size: 1.2rem; padding: 5px; }
        .delete-btn:hover { color: #C62828; }

        /* FORM */
        .add-task-form {
            background: var(--card-bg); padding: 20px; border-radius: 15px; margin-top: 20px;
            border: 1px solid var(--border-color);
        }
        .form-group { margin-bottom: 15px; }
        .form-label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text-color); font-size: 0.9rem; }
        .form-input, .form-select {
            width: 100%; padding: 12px 15px; border: 1px solid var(--border-color);
            border-radius: 10px; font-family: 'Lato', sans-serif; font-size: 0.95rem;
            color: var(--text-color); background: var(--card-bg);
        }
        .form-input:focus, .form-select:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(183, 110, 121, 0.2); }
        
        .btn-add {
            background: var(--primary-color); color: white; border: none; padding: 12px 30px;
            border-radius: 25px; font-weight: 600; font-size: 0.95rem; cursor: pointer;
            width: 100%; transition: all 0.3s; box-shadow: 0 4px 15px var(--shadow-color);
        }
        .btn-add:hover { background: var(--button-hover); transform: translateY(-2px); }

        /* ÖZET PANELİ */
        .summary-panel {
            background: var(--note-bg); border-radius: 20px; padding: 25px; margin-bottom: 30px;
            border: 1px solid var(--border-color);
        }
        .summary-title { font-family: 'Playfair Display', serif; font-size: 1.5rem; color: var(--primary-color); margin-bottom: 20px; text-align: center; }
        .summary-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 20px; text-align: center; }
        .stat-item { background: var(--card-bg); padding: 15px; border-radius: 15px; box-shadow: 0 2px 8px var(--shadow-color); }
        .stat-number { font-size: 2rem; font-weight: 700; color: var(--primary-color); display: block; }
        .stat-label { font-size: 0.85rem; color: var(--text-light); margin-top: 5px; }

        /* FOOTER */
        footer { background: var(--card-bg); border-top: 1px solid var(--border-color); padding: 30px 0; text-align: center; margin-top: auto; }
        .footer-arabic { font-family: 'Scheherazade New', serif; font-size: 1.5rem; color: var(--primary-color); margin-bottom: 10px; direction: rtl; }
        .copyright { font-size: 0.85rem; color: var(--text-light); }

        /* RESPONSIVE */
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .logo { font-size: 1.2rem; }
            .planner-header h1 { font-size: 1.8rem; }
            .summary-stats { grid-template-columns: repeat(2, 1fr); }
            .tabs-container { flex-direction: column; align-items: stretch; }
            .tabs { justify-content: center; }
            .backup-controls { justify-content: center; }
        }
                /* HAMBURGER BUTONU AYARLARI */
        .hamburger {
            display: none; /* Masaüstünde gizli */
            font-size: 1.8rem;
            color: var(--primary-color);
            cursor: pointer;
            padding: 5px;
            margin-left: auto; /* Sağ tarafa it */
            background: none;
            border: none;
        }

        /* MOBİL GÖRÜNÜM AYARLARI */
        @media (max-width: 768px) {
            .hamburger {
                display: block; /* Mobilde görünür */
            }

            .nav-links {
                display: none; /* Mobilde başlangıçta gizli */
                position: absolute;
                top: 60px; /* Logonun altına denk gelir */
                left: 0;
                width: 100%;
                background: var(--card-bg);
                flex-direction: column;
                text-align: center;
                padding: 20px 0;
                box-shadow: 0 4px 10px rgba(0,0,0,0.1);
                border-bottom-left-radius: 20px;
                border-bottom-right-radius: 20px;
                z-index: 999;
            }

            .nav-links.active {
                display: flex; /* Tıklandığında görünür */
            }

            .nav-links a {
                display: block;
                padding: 15px;
                font-size: 1.1rem;
                border-bottom: 1px solid var(--border-color);
                color: var(--text-color);
                text-decoration: none;
            }
            
            .nav-links a:hover {
                background: var(--note-bg);
                color: var(--primary-color);
            }
            
            /* Header'ın mobilde yüksekliğini ayarla */
            header {
                padding: 10px 0;
            }
        }

        .trademark-notice {
    font-size: 0.9rem;
    color: var(--text-light, #666);
    margin: 8px 0;
}

.dark-mode .trademark-notice {
    color: var(--text-light-dark, #aaa);
}

.brand-badge {
    display: inline-block;
/* background: rgba(109, 74, 175, 0.1); */    
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--primary-color, #6d4aff);
}

.separator {
    margin: 0 8px;
    color: var(--text-muted, #ccc);
}

.legal-note {
    font-size: 0.75rem;
    color: var(--text-muted, #999);
    margin: 8px 0 0;
}

.dark-mode .legal-note {
    color: var(--text-muted-dark, #777);
}