:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    --dark-color: #2C3E50;
    --light-color: #F7F9F9;
    --bg-gradient: linear-gradient(135deg, #FF9A9E 0%, #FECFEF 99%, #FECFEF 100%);
}

body {
    background: var(--bg-gradient);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Prevent horizontal scroll on mobile */
    overflow-x: hidden;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    max-width: 800px;
    width: 90%;
    margin-top: 2rem;
    text-align: center;
    box-sizing: border-box; /* Include padding in width */
    /* Ensure container doesn't push footer down too much if content is small, but flex body handles it */
    margin-bottom: 2rem;
}

h1, h2 {
    color: var(--dark-color);
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-weight: bold;
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
    width: 100%;
    padding: 15px; /* Larger touch area */
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 1.1rem; /* Readable on mobile */
    box-sizing: border-box;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 24px;
    font-size: 1.2rem;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
    width: 100%; /* Full width on mobile mostly */
    max-width: 400px; /* Limit on desktop */
}

button:hover {
    background-color: #FF5252;
    transform: scale(1.02);
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* Checkbox specific */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 1rem 0;
    justify-content: center;
    background: #eef;
    padding: 15px;
    border-radius: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: 25px;
    height: 25px;
    cursor: pointer;
}

.checkbox-group label {
    margin-bottom: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    min-width: 300px;
}

th, td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
    text-align: left;
}

th {
    background-color: var(--secondary-color);
    color: white;
}

/* Notification Alert Styles */
.alert-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.alert-box {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    animation: pulse 1s infinite;
    border: 5px solid var(--primary-color);
    width: 80%;
    max-width: 600px;
}

.alert-box h1 {
    font-size: 4vw; /* Responsive font size - Reduced 50% */
    color: var(--primary-color);
    margin: 0;
    white-space: nowrap; /* Force single line */
}

.alert-box p {
    font-size: 5vw;
    margin: 1rem 0 0 0;
}

@media (min-width: 768px) {
    .alert-box h1 { font-size: 2rem; } /* Reduced 50% */
    .alert-box p { font-size: 2rem; }
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.7); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(255, 107, 107, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 107, 107, 0); }
}

/* Navbar/Links */
.nav-links {
    margin-bottom: 1rem;
    padding: 10px;
    background: #fff;
    border-radius: 10px;
}
.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    margin: 0 10px;
    font-weight: bold;
    display: inline-block;
    padding: 5px;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    .container {
        padding: 1.5rem;
        margin-top: 1rem;
        width: 95%;
    }

    h1 {
        font-size: 1.5rem;
    }

    .big-input {
        font-size: 1.5rem !important;
        letter-spacing: 2px !important;
    }

    th, td {
        padding: 8px;
        font-size: 0.9rem;
    }
}

/* Footer Styles */
.main-footer {
    margin-top: auto;
    padding: 20px;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.9);
    width: 100%;
    border-top: 1px solid #ddd;
    font-size: 0.9rem;
    color: var(--dark-color);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}

.footer-links {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--dark-color);
    text-decoration: underline;
}

/* Dynamic Rainbow Text Animation */
@keyframes rainbow-text-animation {
    0% { color: #e81416; }
    14% { color: #ffa500; }
    28% { color: #faeb36; }
    42% { color: #79c314; }
    57% { color: #487de7; }
    71% { color: #4b369d; }
    85% { color: #70369d; }
    100% { color: #e81416; }
}

.rainbow-text {
    font-weight: bold;
    animation: rainbow-text-animation 4s infinite linear;
}