* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Tajawal', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color 0.8s ease, color 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.cyber-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: 
        radial-gradient(circle at 20% 80%, rgba(var(--color-primary-rgb), 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(var(--color-secondary-rgb), 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(var(--color-accent-rgb, 123, 66, 246), 0.05) 0%, transparent 50%);
}

.grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(var(--color-primary-rgb), 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

.auth-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.auth-box {
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 600px;
}

.auth-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.home-btn {
    color: var(--color-text);
    font-size: 1.3rem;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.home-btn:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    transform: scale(1.1);
}

.auth-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text);
    margin: 0;
    flex: 1;
    text-align: center;
}

.auth-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    font-weight: 600;
}

.auth-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.alert-danger {
    background: rgba(var(--color-danger-rgb), 0.1);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
}

.alert-success {
    background: rgba(var(--color-success-rgb), 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert i {
    font-size: 1.2rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    flex: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--color-text);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label i {
    color: var(--color-primary);
    width: 20px;
}

.form-group input,
.form-group select {
    padding: 1rem 1.2rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    background: var(--color-surface-2);
    color: var(--color-text);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2);
}

/* تنسيق خاص لعناصر select */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2300d4ff' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 1.2rem center;
    background-size: 16px;
    padding-left: 3rem;
}

.form-group select option {
    background: var(--color-surface);
    color: var(--color-text);
    padding: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border-radius: var(--border-radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    font-size: 0.9rem;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(var(--color-primary-rgb), 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-text);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
    display: flex;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.login-info {
    background: rgba(var(--color-primary-rgb), 0.05);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.login-info h4 {
    color: var(--color-text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
}

.login-info h4 i {
    color: var(--color-primary);
}

.login-info p {
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.auth-footer {
    text-align: center;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    color: var(--color-text);
    font-weight: 600;
    margin: 0;
}

.auth-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

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

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-box {
        padding: 2rem 1.5rem;
        min-height: 550px;
    }
    
    .auth-title {
        font-size: 1.8rem;
    }
    
    .header-top {
        flex-direction: column;
        gap: 1rem;
    }
    
    .home-btn {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    body {
        padding: 1rem 0.5rem;
    }
    
    .auth-box {
        padding: 1.5rem 1rem;
        min-height: 500px;
    }
    
    .auth-title {
        font-size: 1.6rem;
    }
    
    .form-group input,
    .form-group select {
        padding: 0.8rem 1rem;
    }
}