:root {
    --primary-pink: #FFB7B2;
    --secondary-pink: #FFDAC1;
    --dark-pink: #FF9AA2;
    --accent-green: #E2F0CB;
    --text-color: #6B4C4C;
    --bg-color: #FFF0F5;
    /* Lavender Blush */
    --card-bg: #FFFFFF;
    --shadow: 0 4px 15px rgba(255, 154, 162, 0.4);
    --font-main: 'Nunito', sans-serif;
}

body.dark-mode {
    --primary-pink: #FF9AA2;
    /* Slightly darker pink for contrast */
    --secondary-pink: #6B4C4C;
    --dark-pink: #FFB7B2;
    --accent-green: #3E4E38;
    /* Darker green */
    --text-color: #FFF0F5;
    /* Light text */
    --bg-color: #2D2424;
    /* Dark brownish/purple background */
    --card-bg: #403232;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    width: 95%;
    max-width: 1200px;
    background: var(--card-bg);
    border-radius: 25px;
    box-shadow: var(--shadow);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

/* Header & Tab Buttons */
header {
    text-align: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: 2.5rem;
    color: var(--dark-pink);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 0px var(--secondary-pink);
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    background: var(--secondary-pink);
    border: none;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 1.1rem;
    color: var(--text-color);
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
    font-weight: bold;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--dark-pink);
    color: white;
    transform: scale(1.05);
}

/* Sections */
.section-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.section-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: #FFF;
    border: 3px solid var(--secondary-pink);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    position: relative;
}

.card h2 {
    color: var(--dark-pink);
    margin-bottom: 0.5rem;
}

#current-time {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-color);
}

#current-date {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.highlight-subject {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
    background: var(--accent-green);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    display: inline-block;
    margin-top: 0.5rem;
}

/* Weekly Schedule */
.weekly-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.day-column {
    background: white;
    border: 2px solid var(--primary-pink);
    border-radius: 15px;
    width: 200px;
    padding: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.day-column h3 {
    text-align: center;
    color: var(--dark-pink);
    border-bottom: 2px dashed var(--secondary-pink);
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
}

.subject-item {
    background: var(--bg-color);
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

.subject-time {
    font-size: 0.75rem;
    color: #888;
    display: block;
}

/* Settings / Elements */
.decorative-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.6;
}

.bubble {
    position: absolute;
    background: var(--primary-pink);
    border-radius: 50%;
    opacity: 0.3;
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(10deg);
    }

    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

/* Settings Toggle */
.settings-panel {
    text-align: center;
}

/* Responsive */
@media (max-width: 600px) {
    h1 {
        font-size: 1.8rem;
    }

    #current-time {
        font-size: 2rem;
    }
}