:root {
    /* Light Theme Colors (Blue Cute / Nabila's Theme) */
    --bg-color: #e3f2fd;
    /* Very soft blue */
    --text-color: #2c3e50;
    --card-bg: #ffffff;
    --primary-color: #4fc3f7;
    /* Light Blue */
    --secondary-color: #29b6f6;
    /* Sky Blue */
    --accent-color: #81d4fa;
    /* Pale Blue */
    --header-bg: #ffffff;
    --shadow: 0 4px 15px rgba(33, 150, 243, 0.15);
    /* Blue-ish shadow */
    --border-radius: 25px;
    /* More rounded */
    --transition: all 0.3s ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-color: #2f3640;
    --text-color: #f5f6fa;
    --card-bg: #353b48;
    --primary-color: #9c88ff;
    --header-bg: #353b48;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: var(--header-bg);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.header-controls {
    display: flex;
    gap: 10px;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.theme-btn {
    background-color: var(--bg-color);
    border: 2px solid var(--primary-color);
    color: var(--text-color);
    padding: 10px 20px;
    border-radius: 50px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    transition: var(--transition);
}

.theme-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

/* Dashboard */
.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
}

.icon {
    font-size: 3rem;
    background-color: var(--bg-color);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.info h2 {
    font-size: 0.9rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.highlight-text {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.sub-text {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Schedule Section */
.schedule-section h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.day-column {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border-top: 5px solid var(--primary-color);
}

.day-column.today {
    border-top-color: var(--secondary-color);
    transform: scale(1.02);
    border: 2px solid var(--secondary-color);
}

.day-header {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--bg-color);
}

.lesson-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px dashed var(--bg-color);
    font-size: 0.95rem;
}

.lesson-item:last-child {
    border-bottom: none;
}

.lesson-time {
    font-weight: 600;
    color: var(--primary-color);
}

/* Edit Mode Styles */
.editing-mode .lesson-name,
.editing-mode .lesson-time {
    border: 1px dashed var(--secondary-color);
    padding: 2px 5px;
    background-color: rgba(255, 255, 255, 0.8);
    cursor: text;
}

.editing-mode .day-column {
    border: 2px dashed var(--primary-color);
}

/* Mobile Responsive */
@media (max-width: 600px) {
    .dashboard {
        grid-template-columns: 1fr;
    }

    header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
    }

    .card {
        padding: 20px;
    }

    .highlight-text {
        font-size: 1.5rem;
    }
}