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

html {
    height: 100%;
}

body {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    font-family: var(--font-secondary);
    position: relative;
    overflow-x: hidden;
    margin: 0;
}

/* Background with car image */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        var(--gradient-overlay),
        url('/images/back1.jpg') center/cover no-repeat;
    z-index: -1;
}

/* Animated gradient overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;

    height: 100%;
    background: var(--gradient-electric);
    opacity: 0.1;
    z-index: -1;
    animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.2; }
}

.container-fluid {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.login-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    max-width: 440px;
    width: 100%; 
    border: 1px solid var(--color-border-light);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: var(--gradient-electric);
    animation: borderSlide 3s ease-in-out infinite;
}

@keyframes borderSlide {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

.login-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.login-card h2 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-electric);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 2px;
}

.login-card p {
    color: var(--color-text-black);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xl);
}

/* Form inputs */
.form-label {
    color: var(--color-text-black);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.form-control {
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    background: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
    background: var(--color-bg-white);
    outline: none;
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

/* Checkbox */
.form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border-medium);
    border-radius: 4px;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
}

.form-check-label {
    color: var(--color-text-black);
    cursor: pointer;
    user-select: none;
}
.form-check-label:hover {
    color: var(--color-text-black);
    cursor: pointer;
    user-select: none;
}

/* Primary button - Sign In */
.btn-login {
    background: var(--gradient-electric);
    border: none;
    padding: 14px;
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-white);
    box-shadow: var(--shadow-button);
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%; 
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.5);
}

.btn-login:active {
    transform: translateY(0);
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

a:hover {
    color: var(--color-hover-primary);
    text-shadow: var(--shadow-glow-primary);
}

/* Sign up link - More visible */
.signup-link {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-electric);
    color: var(--color-text-white);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-bold);
    font-size: 1.1rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-button);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.signup-link:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.5);
    color: var(--color-text-white);
}

/* Alert styling */
.alert {
    border-radius: var(--radius-md);
    border: none;
    backdrop-filter: blur(10px);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border-left: 4px solid var(--color-danger);
}

/* Footer */
.auth-footer {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md) 0;
    margin-top: auto;
    border-top: 1px solid var(--color-border-light);
    width: 100%; 
    position: relative;
    z-index: 10;
}

.auth-footer p {
    margin: 0;
    padding: 0;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.auth-footer a {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-fast);
}

.auth-footer a:hover {
    color: var(--color-hover-primary);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 576px) {
    .login-card {
        padding: var(--spacing-lg);
    }

    .login-card h2 {
        font-size: 1.5rem;
    }
}