:root {
    --primary-green: #004d40;
    --gold: #d4af37;
    --light-bg: #f4f7f6;
    --dark-text: #333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: var(--light-bg);
    color: var(--dark-text);
}

header {
    background-color: var(--primary-green);
    color: white;
    padding: 1rem 5%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.logo span {
    color: var(--gold);
}

.hero {
    padding: 50px 20px;
    text-align: center;
}

.login-container {
    background: white;
    max-width: 400px;
    margin: 30px auto;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-top: 5px solid var(--gold);
}

input, select {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box; /* Important for layout */
}

.login-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-green);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: 0.3s;
}

.login-btn:hover {
    background-color: #00332c;
}

footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    font-size: 0.8rem;
    color: #777;
    padding: 10px 0;
}

/* Attendance Button Styles */
.btn-group {
    display: flex;
    gap: 10px;
}

.status-btn {
    padding: 8px 15px;
    cursor: pointer;
    border: 1px solid #ccc;
    background: #fff;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.2s ease;
}

/* These classes are applied by JavaScript when clicked */
.present {
    background-color: #2e7d32 !important;
    color: white !important;
    border-color: #1b5e20 !important;
}

.absent {
    background-color: #c62828 !important;
    color: white !important;
    border-color: #b71c1c !important;
}

/* Dashboard Row Styling */
.student-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid #eee;
    background: #fff;
}

.student-row:hover {
    background-color: #f9f9f9;
}

/* Make buttons feel "clickable" */
.status-btn:active {
    transform: scale(0.95);
}