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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

.auth-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://i.imgur.com/Vi448jP.jpg') center/cover;
    z-index: -2;
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.9) 0%, rgba(153, 27, 27, 0.9) 100%);
    z-index: -1;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 15px;
    border: 4px solid #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.auth-header h1 {
    color: #2c3e50;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 5px;
}

.auth-header p {
    color: #7f8c8d;
    font-size: 14px;
}

.auth-form {
    width: 100%;
}

.messages {
    margin-bottom: 20px;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeIn 0.3s ease;
}

.alert-error {
    background-color: #fee;
    color: #c53030;
    border: 1px solid #feb2b2;
}

.alert-success {
    background-color: #f0fff4;
    color: #38a169;
    border: 1px solid #9ae6b4;
}

.alert-info {
    background-color: #ebf8ff;
    color: #3182ce;
    border: 1px solid #90cdf4;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e1e8ed;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fff;
}

.form-group input:focus {
    outline: none;
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #7f8c8d;
    cursor: pointer;
    padding: 5px;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: #dc2626;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 10px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #2c3e50;
}

.checkbox-container input {
    margin-right: 8px;
    width: auto;
}

.forgot-link {
    color: #dc2626;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.forgot-link:hover {
    color: #991b1b;
    text-decoration: underline;
}

.auth-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(220, 38, 38, 0.3);
}

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

.auth-links {
    text-align: center;
    margin-top: 20px;
}

.back-link {
    color: #dc2626;
    text-decoration: none;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #991b1b;
}

.auth-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e1e8ed;
}

.auth-footer p {
    color: #7f8c8d;
    font-size: 12px;
}

.error-message {
    margin-top: 8px;
    color: #dc2626;
    font-size: 13px;
}

.error-message small {
    display: block;
    margin-top: 4px;
}

.form-text {
    display: block;
    margin-top: 6px;
    color: #6b7280;
    font-size: 12px;
}

.auth-links {
    text-align: center;
    margin-top: 20px;
}

/* Responsive Design */
@media (max-width: 480px) {
    .auth-card {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .auth-header h1 {
        font-size: 20px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* Loading state */
.auth-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.auth-btn:disabled:hover {
    transform: none;
    box-shadow: none;
}