/* =========================================
   1. THEME VARIABLES (Light & Dark)
   ========================================= */
:root {
    /* Light Mode Colors */
    --bg-color: #f4f4f4;
    --text-color: #333333;
    --card-bg: #ffffff;
    --header-bg: #800020; /* Your Maroon */
    --header-text: #ffffff;
    --accent-color: #800020;
    --border-color: #dddddd;
    --table-stripe: #f9f9f9;
    --emergency: #B22222;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    /* Dark Mode Colors */
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --card-bg: #1e1e1e;
    --header-bg: #000000;
    --header-text: #ffffff;
    --accent-color: #ff4d4d; /* Brighter red for dark mode contrast */
    --border-color: #333333;
    --table-stripe: #1a1a1a;
    --shadow: 0 4px 10px rgba(0,0,0,0.5);
}

/* =========================================
   2. GLOBAL STYLES
   ========================================= */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: var(--transition);
    line-height: 1.6;
}

h1, h2, h3 {
    color: var(--accent-color);
    transition: var(--transition);
}

/* =========================================
   3. HEADER & HERO SECTION
   ========================================= */
.main-header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative; /* For the toggle placement */
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.main-header h1 {
    color: var(--header-text);
    margin: 0;
}

.hero-pic {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 20px;
    flex-wrap: wrap;
}

.hero-pic img {
    max-width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

/* =========================================
   4. THEME TOGGLE BUTTON
   ========================================= */
.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
}

#darkModeToggle {
    background: transparent;
    border: 1px solid var(--header-text);
    color: var(--header-text);
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

#darkModeToggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* =========================================
   5. SEARCH & NAVIGATION (INDEX PAGE)
   ========================================= */
.search-container {
    padding: 20px;
    display: flex;
    justify-content: center;
}

.search-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.search-wrapper i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
}

#deptSearch {
    width: 100%;
    padding: 12px 12px 12px 40px;
    border-radius: 25px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
}

.roster-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.dept-card {
    background: var(--card-bg);
    color: var(--text-color);
    padding: 25px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.dept-card i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    color: var(--accent-color);
}

.dept-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

/* =========================================
   6. TABLES (DEPARTMENT PAGES)
   ========================================= */
.table-container {
    overflow-x: auto;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

th, td {
    padding: 15px;
    border: 1px solid var(--border-color);
    text-align: center;
}

th {
    background-color: var(--header-bg);
    color: white;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

tr:nth-child(even) {
    background-color: var(--table-stripe);
}

/* Highlight Today's Row (JS Triggered) */
tr.highlight-today {
    background-color: #fff3cd !important;
    color: #333 !important;
    font-weight: bold;
}

/* =========================================
   7. FOOTER & NOTICES
   ========================================= */
.emergency-notice {
    background: var(--emergency);
    color: white;
    padding: 20px;
    margin: 20px auto;
    max-width: 800px;
    border-radius: 12px;
    text-align: center;
}

.quick-contact {
    text-align: center;
    margin: 40px auto;
    padding: 20px;
    max-width: 800px;
}

.call-btn {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    margin: 10px;
    font-weight: bold;
}

footer {
    padding: 30px;
    text-align: center;
    background: #1a1a1a;
    color: #999;
    margin-top: 50px;
}

/* =========================================
   8. MOBILE RESPONSIVENESS
   ========================================= */
@media (max-width: 600px) {
    .main-header h1 { font-size: 1.3rem; }
    .hero-pic img { height: 180px; }
    .roster-grid { grid-template-columns: 1fr; }
    th, td { padding: 10px; font-size: 0.9rem; }
}