/**
 * Style modułu logowania
 * 
 * @package NextGen
 * @subpackage Login
 */

/* ==========================================================================
   Formularze logowania
   ========================================================================== */

.login-form-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

/* Formularz email (krok 1) */
.login-email-form,
.login-code-form,
.login-password-form,
.reset-email-form,
.reset-code-form,
.reset-password-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Input groups */
.login-input-group {
    position: relative;
}

.login-input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--bs-body-color, #333);
    font-size: 0.875rem;
}

.login-input-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--bs-border-color, #e0e0e0);
    border-radius: 0.5rem;
    background: var(--bs-body-bg, #fff);
    color: var(--bs-body-color, #333);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.login-input-group input:focus {
    outline: none;
    border-color: var(--bs-primary, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.login-input-group input::placeholder {
    color: var(--bs-secondary-color, #999);
}

.login-input-group input.is-invalid {
    border-color: var(--bs-danger, #dc3545);
}

/* Input z ikoną */
.login-input-icon {
    position: relative;
}

.login-input-icon input {
    padding-left: 2.75rem;
}

.login-input-icon .icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--bs-secondary-color, #999);
    font-size: 1.125rem;
    pointer-events: none;
}

/* ==========================================================================
   Pole kodu OTP
   ========================================================================== */

.otp-input-container {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin: 1.5rem 0;
}

.otp-input {
    width: 3rem;
    height: 3.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--bs-border-color, #e0e0e0);
    border-radius: 0.5rem;
    background: var(--bs-body-bg, #fff);
    color: var(--bs-body-color, #333);
    transition: all 0.2s;
}

.otp-input:focus {
    outline: none;
    border-color: var(--bs-primary, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    transform: scale(1.05);
}

.otp-input.filled {
    border-color: var(--bs-success, #198754);
    background: rgba(25, 135, 84, 0.05);
}

.otp-input.error {
    border-color: var(--bs-danger, #dc3545);
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

/* ==========================================================================
   Przyciski
   ========================================================================== */

.login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.login-btn-primary {
    background: linear-gradient(135deg, var(--bs-primary, #667eea) 0%, #764ba2 100%);
    color: #fff;
}

.login-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.35);
}

.login-btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.login-btn-secondary {
    background: var(--bs-secondary-bg, #f0f0f0);
    color: var(--bs-body-color, #333);
}

.login-btn-secondary:hover:not(:disabled) {
    background: var(--bs-secondary-bg-hover, #e0e0e0);
}

.login-btn-link {
    background: transparent;
    color: var(--bs-primary, #667eea);
    padding: 0.5rem;
}

.login-btn-link:hover {
    text-decoration: underline;
}

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Spinner w przycisku */
.login-btn .spinner {
    display: none;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.login-btn.loading .spinner {
    display: block;
}

.login-btn.loading .btn-text {
    display: none;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Komunikaty
   ========================================================================== */

.login-message {
    padding: 0.875rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.login-message-success {
    background: rgba(25, 135, 84, 0.1);
    color: var(--bs-success, #198754);
    border: 1px solid rgba(25, 135, 84, 0.2);
}

.login-message-error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--bs-danger, #dc3545);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.login-message-info {
    background: rgba(13, 110, 253, 0.1);
    color: var(--bs-info, #0d6efd);
    border: 1px solid rgba(13, 110, 253, 0.2);
}

.login-message i {
    font-size: 1.125rem;
    flex-shrink: 0;
}

/* ==========================================================================
   Checkbox zapamiętaj
   ========================================================================== */

.login-remember {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.login-remember input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
    accent-color: var(--bs-primary, #667eea);
}

.login-remember span {
    font-size: 0.875rem;
    color: var(--bs-secondary-color, #666);
}

/* ==========================================================================
   Linki pomocnicze
   ========================================================================== */

.login-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
    margin-top: 1rem;
}

.login-links a {
    color: var(--bs-primary, #667eea);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.login-links a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Timer wygaśnięcia kodu
   ========================================================================== */

.otp-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--bs-secondary-color, #666);
    margin-top: 1rem;
}

.otp-timer.expiring {
    color: var(--bs-warning, #ffc107);
}

.otp-timer.expired {
    color: var(--bs-danger, #dc3545);
}

.otp-timer i {
    font-size: 1rem;
}

/* ==========================================================================
   Link powrotu
   ========================================================================== */

.login-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--bs-secondary-color, #666);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    transition: color 0.2s;
}

.login-back-link:hover {
    color: var(--bs-primary, #667eea);
}

/* ==========================================================================
   Siła hasła
   ========================================================================== */

.password-strength-meter {
    margin-top: 0.5rem;
}

.password-strength-bar {
    height: 4px;
    background: var(--bs-border-color, #e0e0e0);
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-fill {
    height: 100%;
    width: 0;
    transition: width 0.3s, background 0.3s;
    border-radius: 2px;
}

.password-strength-fill.weak {
    width: 25%;
    background: var(--bs-danger, #dc3545);
}

.password-strength-fill.fair {
    width: 50%;
    background: var(--bs-warning, #ffc107);
}

.password-strength-fill.good {
    width: 75%;
    background: var(--bs-info, #0dcaf0);
}

.password-strength-fill.strong {
    width: 100%;
    background: var(--bs-success, #198754);
}

.password-strength-text {
    font-size: 0.75rem;
    margin-top: 0.25rem;
    color: var(--bs-secondary-color, #666);
}

/* ==========================================================================
   Przełącznik trybu logowania
   ========================================================================== */

.login-mode-switch {
    display: flex;
    background: var(--bs-secondary-bg, #f0f0f0);
    border-radius: 0.5rem;
    padding: 0.25rem;
    margin-bottom: 1.5rem;
}

.login-mode-btn {
    flex: 1;
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--bs-secondary-color, #666);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s;
}

.login-mode-btn.active {
    background: var(--bs-body-bg, #fff);
    color: var(--bs-body-color, #333);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* ==========================================================================
   Separator
   ========================================================================== */

.login-separator {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: var(--bs-secondary-color, #999);
    font-size: 0.875rem;
}

.login-separator::before,
.login-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--bs-border-color, #e0e0e0);
}

/* ==========================================================================
   Sesje użytkownika
   ========================================================================== */

.session-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.session-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bs-secondary-bg, #f8f9fa);
    border-radius: 0.5rem;
}

.session-item.current {
    border: 2px solid var(--bs-success, #198754);
}

.session-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--bs-body-bg, #fff);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bs-primary, #667eea);
    font-size: 1.25rem;
}

.session-info {
    flex: 1;
}

.session-browser {
    font-weight: 500;
    color: var(--bs-body-color, #333);
}

.session-details {
    font-size: 0.75rem;
    color: var(--bs-secondary-color, #666);
}

.session-actions .btn-terminate {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

/* ==========================================================================
   Responsywność
   ========================================================================== */

@media (max-width: 576px) {
    .otp-input-container {
        gap: 0.375rem;
    }
    
    .otp-input {
        width: 2.5rem;
        height: 3rem;
        font-size: 1.25rem;
    }
    
    .login-mode-switch {
        flex-direction: column;
    }
}