/* =============================================
   Keycloak Custom Login Theme - Modern Glass
   ============================================= */

:root {
    --accent: #4f6ef7;
    --accent-hover: #3b5de7;
    --accent-active: #2f4fd6;
    --danger: #e74c4c;
    --danger-bg: #fef2f2;
    --success: #22c55e;
    --success-bg: #f0fdf4;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --info: #3b82f6;
    --info-bg: #eff6ff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-focus: var(--accent);
    --card-bg: rgba(255, 255, 255, 0.82);
    --card-blur: 24px;
    --card-radius: 20px;
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
    --input-bg: #f8fafc;
    --input-radius: 10px;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    width: 100%;
    font-family: var(--font-family);
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Full-screen background */
.login-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../img/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
}

/* Page container */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

/* Glass card */
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--card-bg);
    backdrop-filter: blur(var(--card-blur));
    -webkit-backdrop-filter: blur(var(--card-blur));
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 40px 36px;
    animation: cardFadeIn 0.4s ease-out;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header */
.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 4px;
    letter-spacing: -0.3px;
}

.login-header p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Attempted username display */
.login-attempted-user {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--input-radius);
    padding: 10px 14px;
    margin-bottom: 20px;
    font-size: 14px;
}

.login-attempted-user .username {
    font-weight: 600;
    color: var(--text-primary);
}

.login-attempted-user .restart-link {
    font-size: 13px;
    color: var(--accent);
    text-decoration: none;
}

.login-attempted-user .restart-link:hover {
    text-decoration: underline;
}

/* Form elements */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-group label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-input {
    width: 100%;
    padding: 11px 14px;
    font-size: 15px;
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--input-bg);
    border: 1.5px solid var(--border);
    border-radius: var(--input-radius);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.12);
    background: #fff;
}

.form-input.input-error {
    border-color: var(--danger);
}

.form-input.input-error:focus {
    box-shadow: 0 0 0 3px rgba(231, 76, 76, 0.12);
}

.field-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 5px;
}

/* OTP-specific input */
.otp-input {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 8px;
    padding: 14px;
}

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

.form-checkbox label {
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    margin: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-family);
    border-radius: var(--input-radius);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
    text-decoration: none;
    line-height: 1.4;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(79, 110, 247, 0.25);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(79, 110, 247, 0.35);
}

.btn-primary:active {
    background: var(--accent-active);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid var(--border);
}

.btn-secondary:hover {
    background: var(--input-bg);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #d43d3d;
}

.btn-group {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.btn-group .btn {
    flex: 1;
}

/* Links */
.form-links {
    text-align: center;
    margin-top: 20px;
}

.form-links a,
.form-link {
    font-size: 13px;
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

.form-links a:hover,
.form-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.form-links-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    font-size: 13px;
}

/* Alert messages */
.alert {
    padding: 12px 16px;
    border-radius: var(--input-radius);
    font-size: 13px;
    margin-bottom: 20px;
    line-height: 1.5;
}

.alert-error {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(231, 76, 76, 0.2);
}

.alert-success {
    background: var(--success-bg);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-warning {
    background: var(--warning-bg);
    color: #b45309;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-info {
    background: var(--info-bg);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    margin: 22px 0;
    gap: 12px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.divider span {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Social login buttons */
.social-providers {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-family);
    color: var(--text-primary);
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: var(--input-radius);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    text-decoration: none;
}

.social-btn:hover {
    background: var(--input-bg);
    border-color: #cbd5e1;
}

/* TOTP setup */
.totp-setup {
    text-align: center;
}

.totp-qr {
    display: inline-block;
    padding: 12px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 16px;
}

.totp-qr img {
    width: 200px;
    height: 200px;
    display: block;
}

.totp-manual-key {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--input-radius);
    padding: 12px 16px;
    margin: 16px 0;
    font-size: 13px;
}

.totp-manual-key .key-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.totp-manual-key .key-value {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
    color: var(--text-primary);
    word-break: break-all;
    font-weight: 600;
}

.totp-info {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.totp-info dt {
    font-weight: 600;
    display: inline;
}

.totp-info dd {
    display: inline;
    margin: 0 12px 0 0;
}

/* Authenticator selector */
.auth-selector {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.auth-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--input-bg);
    border: 1.5px solid var(--border);
    border-radius: var(--input-radius);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    text-decoration: none;
    color: inherit;
}

.auth-option:hover {
    border-color: var(--accent);
    background: #fff;
}

.auth-option-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(79, 110, 247, 0.1);
    border-radius: 10px;
    font-size: 18px;
    flex-shrink: 0;
}

.auth-option-text h3 {
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 2px;
}

.auth-option-text p {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0;
}

/* OTP credential selector (radio) */
.otp-credentials {
    margin-bottom: 18px;
}

.otp-credential {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--input-bg);
    border: 1.5px solid var(--border);
    border-radius: var(--input-radius);
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.otp-credential:hover {
    border-color: var(--accent);
}

.otp-credential input[type="radio"] {
    accent-color: var(--accent);
}

.otp-credential label {
    font-size: 14px;
    cursor: pointer;
    margin: 0;
}

/* Recovery code input */
.recovery-input {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 16px;
    letter-spacing: 2px;
}

/* Try another way */
.try-another-way {
    text-align: center;
    margin-top: 16px;
}

.try-another-way a {
    font-size: 13px;
    color: var(--accent);
    text-decoration: none;
}

.try-another-way a:hover {
    text-decoration: underline;
}

/* Logout confirm */
.logout-sessions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.logout-sessions input {
    accent-color: var(--accent);
}

/* Info page */
.info-page-link {
    margin-top: 20px;
    text-align: center;
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        padding: 16px;
        align-items: flex-start;
        padding-top: 40px;
    }

    .login-card {
        padding: 28px 22px;
        border-radius: 16px;
    }

    .login-header h1 {
        font-size: 20px;
    }

    .totp-qr img {
        width: 160px;
        height: 160px;
    }
}

/* Focus visible for accessibility */
.btn:focus-visible,
.form-input:focus-visible,
.social-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Locale selector */
.locale-selector {
    position: absolute;
    top: 16px;
    right: 16px;
}

.locale-selector select {
    padding: 6px 10px;
    font-size: 12px;
    font-family: var(--font-family);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    backdrop-filter: blur(8px);
}