/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700&family=Tajawal:wght@400;500;700&family=Almarai:wght@400;700&family=Readex+Pro:wght@400;600&display=swap');

/* Base Theme Variables */
:root {
    /* Fonts */
    --font-family-1: 'Cairo', sans-serif;
    --font-family-2: 'Tajawal', sans-serif;
    --font-family-3: 'Almarai', sans-serif;
    --font-family-4: 'Readex Pro', sans-serif;
    
    --current-font: var(--font-family-1);

    /* Neutral Colors (Light Mode) */
    --bg-main: #F8FAFC;
    --bg-card: #FFFFFF;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --sidebar-bg: #1E293B;
    --sidebar-text: #FFFFFF;

    /* Theme 1: Blue (Default) */
    --primary-blue: #2563EB;
    --primary-blue-hover: #1D4ED8;

    /* Theme 2: Green */
    --primary-green: #10B981;
    --primary-green-hover: #059669;

    /* Theme 3: Purple */
    --primary-purple: #8B5CF6;
    --primary-purple-hover: #7C3AED;

    /* Theme 4: Orange / Gold */
    --primary-orange: #F59E0B;
    --primary-orange-hover: #D97706;

    /* Active Primary */
    --primary-color: var(--primary-blue);
    --primary-hover: var(--primary-blue-hover);
}

/* Dark Mode Variables */
html[data-mode="dark"] {
    --bg-main: #0F172A;
    --bg-card: #1E293B;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --border-color: #334155;
    --sidebar-bg: #0B1120;
}

/* Apply Active Theme Colors */
html[data-theme="green"] {
    --primary-color: var(--primary-green);
    --primary-hover: var(--primary-green-hover);
}
html[data-theme="purple"] {
    --primary-color: var(--primary-purple);
    --primary-hover: var(--primary-purple-hover);
}
html[data-theme="orange"] {
    --primary-color: var(--primary-orange);
    --primary-hover: var(--primary-orange-hover);
}

/* Apply Active Font */
html[data-font="tajawal"] { --current-font: var(--font-family-2); }
html[data-font="almarai"] { --current-font: var(--font-family-3); }
html[data-font="readex"] { --current-font: var(--font-family-4); }

/* Base Styles */
body {
    font-family: var(--current-font);
    background-color: var(--bg-main);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

/* Utilities */
.text-primary { color: var(--primary-color); }
.bg-primary { background-color: var(--primary-color); color: white; }
.bg-primary:hover { background-color: var(--primary-hover); }

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: 1.5rem;
    transition: width 0.3s;
}

.main-content {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

/* Components */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s, border-color 0.3s;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-family: var(--current-font);
    font-weight: 600;
    transition: background-color 0.2s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
}

/* RTL / LTR Adjustments */
html[dir="rtl"] .sidebar {
    border-left: 1px solid var(--border-color);
}
html[dir="ltr"] .sidebar {
    border-right: 1px solid var(--border-color);
}

/* Theme Switcher Widget */
.theme-switcher-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}
html[dir="ltr"] .theme-switcher-widget {
    right: auto;
    left: 20px;
}
.ts-group { margin-bottom: 1rem; }
.ts-group:last-child { margin-bottom: 0; }
.ts-label { font-size: 0.85rem; font-weight: bold; color: var(--text-muted); display: block; margin-bottom: 0.5rem; }
.ts-buttons { display: flex; gap: 0.5rem; }
.color-btn, .font-btn, .mode-btn, .lang-btn {
    width: 30px; height: 30px; border-radius: 50%; border: 2px solid transparent; cursor: pointer;
}
.color-btn.active, .font-btn.active, .mode-btn.active, .lang-btn.active {
    border-color: var(--text-main);
}
.font-btn, .mode-btn, .lang-btn {
    width: auto; padding: 0 10px; border-radius: 4px; background: var(--bg-main); color: var(--text-main); border: 1px solid var(--border-color);
}