/* ===== COMMON AUTHENTICATION STYLES ===== */

/* Auth Container */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--container-padding);
}

/* Auth Card Base */
.auth-card {
    padding: 2rem;
    width: 100%;
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Modal Container */
.modal-container {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9) translateY(-20px);
    transition: transform 0.3s ease;
    padding: 10px;
}

.modal-overlay.show .modal-container {
    transform: scale(1) translateY(0);
}

/* Modal Auth Card */
.modal-container .auth-card {
    box-shadow: var(--glass-shadow), var(--glass-shadow-inset);
    border-radius: var(--radius-large);
    background: var(--login-bg);
    border: 1px solid var(--border-gray);
    padding: 2rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Auth Header */
.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 0.5rem;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Auth Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    
}

.form-group-extra {
    margin-top: 5px;
    text-align: right;
}

.forgot-password-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

.forgot-password-link:hover {
    text-decoration: underline;
    color: var(--primary-hover);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-medium);
    font-size: var(--font-size-base);
    background: var(--bg-light);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-selection);
}

.form-input:hover {
    border-color: var(--primary-light);
}

.form-input.error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* Auth Buttons Container */
.auth-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

/* Auth Button */
.auth-button {
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--radius-medium);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex: 1;
}

.auth-button.primary {
    background: var(--primary-color);
    color: var(--white);
}

.auth-button.primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.auth-button.primary:disabled {
    background: var(--medium-gray);
    cursor: not-allowed;
    transform: none;
}

.auth-button.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.auth-button.secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: 5px;
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    margin: 0;
    line-height: 1.4;
}

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

.auth-footer a:hover {
    text-decoration: underline;
}

/* Messages */
.error-message {
    background: rgba(220, 53, 69, 0.1);
    color: var(--error-color);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-medium);
    border: 1px solid rgba(220, 53, 69, 0.2);
    font-size: var(--font-size-sm);
    margin-bottom: 1rem;
}

.success-message {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-medium);
    border: 1px solid rgba(40, 167, 69, 0.2);
    font-size: var(--font-size-sm);
    margin-bottom: 1rem;
}

.field-error {
    color: var(--error-color);
    font-size: var(--font-size-xs);
    margin-top: 0.25rem;
    display: none;
}

.field-error:not(:empty) {
    display: block;
}

/* Loading Spinner */
.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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