/* ================================
   AUTHENTICATION PAGES STYLES
   ================================ */

/* Auth Container */
.auth-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="%23ffffff" fill-opacity="0.1" points="0,1000 1000,0 1000,1000"/></svg>') no-repeat;
    background-size: cover;
    pointer-events: none;
}

.auth-wrapper {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 0;
}

/* Auth Card */
.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-xl);
    box-shadow: 0 2rem 4rem rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    animation: slideInUp 0.8s ease-out;
    max-width: 450px;
    width: 100%;
}

.auth-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    color: white;
    padding: 2rem;
    text-align: center;
    position: relative;
}

.auth-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    clip-path: polygon(0 0, 100% 0, 90% 100%, 10% 100%);
}

.auth-header h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.auth-header p {
    margin: 0.5rem 0 0 0;
    opacity: 0.9;
    font-size: 0.95rem;
}

.auth-body {
    padding: 2rem;
}

/* Auth Forms */
.auth-form .form-group {
    margin-bottom: 1.5rem;
}

.auth-form .form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.auth-form .form-label i {
    margin-right: 0.5rem;
    color: var(--primary-color);
    width: 16px;
}

.auth-form .form-control {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    transition: var(--transition);
    font-size: 0.95rem;
}

.auth-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
    transform: translateY(-1px);
}

.auth-form .input-group {
    position: relative;
}

.auth-form .input-group-text {
    background: var(--light-color);
    border: 2px solid #e9ecef;
    border-right: none;
    color: var(--primary-color);
}

.auth-form .input-group .form-control {
    border-left: none;
}

.auth-form .input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
    background: rgba(13, 110, 253, 0.1);
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.password-toggle:hover {
    color: var(--primary-color);
}

/* Role Selection */
.role-selection {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.role-option {
    position: relative;
}

.role-option input[type="radio"] {
    display: none;
}

.role-option label {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: var(--transition);
    background: white;
}

.role-option label:hover {
    border-color: var(--primary-color);
    background: rgba(13, 110, 253, 0.05);
}

.role-option input[type="radio"]:checked+label {
    border-color: var(--primary-color);
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
}

.role-option .role-icon {
    width: 40px;
    height: 40px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    transition: var(--transition);
}

.role-option input[type="radio"]:checked+label .role-icon {
    background: var(--primary-color);
    color: white;
}

.role-option .role-info h6 {
    margin: 0 0 0.25rem 0;
    font-weight: 600;
}

.role-option .role-info p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--secondary-color);
}

/* Auth Buttons */
.auth-btn {
    width: 100%;
    padding: 0.75rem;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.auth-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.auth-btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    border: none;
    color: white;
}

.auth-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 1rem 2rem rgba(13, 110, 253, 0.3);
}

/* Auth Links */
.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.auth-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.auth-links a:hover {
    color: #0b5ed7;
    text-decoration: underline;
}

/* Remember Me */
.remember-me {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.remember-me input[type="checkbox"] {
    margin-right: 0.5rem;
    transform: scale(1.1);
    accent-color: var(--primary-color);
}

.remember-me label {
    margin: 0;
    cursor: pointer;
    user-select: none;
}

/* Backend Selection */
.backend-selection {
    background: var(--light-color);
    border-radius: var(--border-radius-lg);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.backend-selection h6 {
    margin: 0 0 0.75rem 0;
    color: var(--dark-color);
    font-weight: 600;
}

.backend-options {
    display: flex;
    gap: 0.5rem;
}

.backend-option {
    flex: 1;
}

.backend-option input[type="radio"] {
    display: none;
}

.backend-option label {
    display: block;
    padding: 0.5rem;
    text-align: center;
    border: 2px solid #dee2e6;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
    font-weight: 500;
}

.backend-option label:hover {
    border-color: var(--primary-color);
}

.backend-option input[type="radio"]:checked+label {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

/* Campus Selection (for Campus Manager) */
.campus-selection {
    display: none;
}

.campus-selection.show {
    display: block;
    animation: fadeInDown 0.3s ease-out;
}

/* Error States */
.auth-form .form-control.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.15);
}

.auth-form .invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: var(--danger-color);
}

/* Loading State */
.auth-form.loading {
    pointer-events: none;
    opacity: 0.7;
}

.auth-form.loading .auth-btn {
    position: relative;
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-wrapper {
        padding: 1rem;
    }

    .auth-card {
        margin: 0 1rem;
    }

    .auth-header,
    .auth-body {
        padding: 1.5rem;
    }

    .auth-header h1 {
        font-size: 1.5rem;
    }

    .role-option label {
        padding: 0.75rem;
    }

    .role-option .role-icon {
        width: 35px;
        height: 35px;
        margin-right: 0.75rem;
    }
}

@media (max-width: 480px) {
    .auth-wrapper {
        padding: 0.5rem;
    }

    .auth-header,
    .auth-body {
        padding: 1rem;
    }

    .auth-header h1 {
        font-size: 1.3rem;
    }

    .role-selection {
        gap: 0.75rem;
    }

    .backend-options {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Print Styles */
@media print {
    .auth-container {
        display: none;
    }
}