:root {
    /* Blue Theme Variables from index.php */
    --primary-gradient: linear-gradient(135deg, #1AD0DF 0%, #1AD0DF 100%);
    --header-gradient: linear-gradient(135deg, #1AD0DF 0%, #1AD0DF 100%);
    --button-gradient: linear-gradient(135deg, #1F9AD6 0%, #5FACFA 100%);
    --primary-color: #1AD0DF;
    --text-color: #333;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-color: #e0e0e0;
    --focus-color: #667eea;
    --error-bg: linear-gradient(135deg, #fee 0%, #fdd 100%);
    --error-color: #c62828;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--primary-gradient);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    padding-top: 80px;
    /* Space for fixed header */
    color: var(--text-color);
}

/* Mobile padding adjustment */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
}

/* Common Utility Classes */
.btn-primary {
    background: var(--button-gradient);
    color: var(--white);
    border: none;
    border-radius: 12px;
    padding: 15px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(31, 154, 214, 0.4);
}

.form-input {
    width: 100%;
    padding: 14px 15px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1em;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--focus-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}