/* Auth Portal — Styles */

:root {
    --bg: #0c1222;
    --bg-card: #141c2e;
    --bg-input: #1a2438;
    --border: #2a3650;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --error: #ef4444;
    --success: #22c55e;
    --radius: 12px;
    --radius-sm: 8px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

/* ── Auth Pages (login, register, invite) ─────────────────────────────── */

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text);
    margin-bottom: 4px;
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 14px;
}

/* ── Forms ─────────────────────────────────────────────────────────────── */

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group .optional {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    opacity: 0.6;
}

.form-group input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 15px;
    color: var(--text);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--text-muted);
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--accent);
}

.forgot-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 13px;
}

.forgot-link:hover {
    text-decoration: underline;
}

/* ── Buttons ──────────────────────────────────────────────────────────── */

.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

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

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

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-spinner {
    animation: spin 1s linear infinite;
    display: inline-block;
}

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

/* ── Error/Success messages ───────────────────────────────────────────── */

.error-msg {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--accent);
    text-decoration: none;
}

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

/* ── Zero-Knowledge Toggle ────────────────────────────────────────────── */

.zk-toggle {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    margin-bottom: 8px;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
}

.toggle-slider {
    width: 36px;
    height: 20px;
    background: var(--border);
    border-radius: 10px;
    position: relative;
    transition: background 0.2s;
    flex-shrink: 0;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--text-muted);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.2s, background 0.2s;
}

.toggle-label input:checked + .toggle-slider {
    background: var(--accent);
}

.toggle-label input:checked + .toggle-slider::after {
    transform: translateX(16px);
    background: #fff;
}

.toggle-label input {
    display: none;
}

.zk-hint {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 6px;
    line-height: 1.4;
}

/* ── Portal Dashboard ─────────────────────────────────────────────────── */

.portal-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.portal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.portal-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-display {
    color: var(--text-muted);
    font-size: 14px;
}

.portal-main {
    flex: 1;
    padding: 40px 32px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.apps-section h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-muted);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.app-tile {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--text);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.app-tile:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px var(--accent-glow);
    transform: translateY(-2px);
}

.app-tile-icon {
    font-size: 32px;
    margin-bottom: 4px;
}

.app-tile-name {
    font-size: 16px;
    font-weight: 600;
}

.app-tile-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.4;
}

.app-tile-role {
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-top: auto;
    padding-top: 8px;
}

/* ── Empty state ──────────────────────────────────────────────────────── */

.empty-state, .error-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon, .error-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state h3, .error-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.empty-state p, .error-state p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ── Invite page ──────────────────────────────────────────────────────── */

.invite-info {
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.invite-info p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.invite-apps {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 12px 0;
}

.invite-app-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.invite-app-role {
    margin-left: auto;
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 600;
}

.invite-email {
    font-size: 13px;
}

.invite-loading {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.loading-spinner {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    grid-column: 1 / -1;
}

/* ── Footer ───────────────────────────────────────────────────────────── */

.portal-footer {
    padding: 16px 32px;
    text-align: center;
    border-top: 1px solid var(--border);
}

.version-badge {
    font-size: 11px;
    color: var(--text-muted);
    cursor: pointer;
}

.version-badge:hover {
    color: var(--accent);
}

/* ── Mode Choice (Registration) ───────────────────────────────────────── */

.mode-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 16px;
    margin-bottom: 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    color: var(--text);
}

.mode-btn:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.mode-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.mode-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mode-info strong {
    font-size: 15px;
}

.mode-desc {
    font-size: 12px;
    color: var(--text-muted);
}

.btn-row {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.back-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 13px;
    padding: 0;
    margin-bottom: 16px;
}

.back-btn:hover {
    text-decoration: underline;
}

/* ── Zero-trust Explainer ────────────────────────────────────────────── */

.zk-explainer {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-muted);
}

.zk-explainer h4 {
    color: var(--text);
    font-size: 14px;
    margin-bottom: 8px;
}

.zk-explainer ul {
    margin: 8px 0;
    padding-left: 20px;
}

.zk-explainer li {
    margin-bottom: 4px;
}

.zk-warning {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: 6px;
    padding: 10px 12px;
    margin-top: 10px;
    color: #fca5a5;
    font-size: 13px;
    line-height: 1.5;
}

.form-info {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 14px;
    color: var(--text-muted);
}

/* ── Language Switch ──────────────────────────────────────────────────── */

.lang-switch {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 2px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn.active {
    background: var(--accent);
    color: #fff;
}

.lang-btn:hover:not(.active) {
    color: var(--text);
}

.auth-container {
    position: relative;
}

/* ── Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 480px) {
    .auth-container {
        padding: 32px 20px;
    }
    .portal-header {
        padding: 12px 16px;
    }
    .portal-main {
        padding: 24px 16px;
    }
    .apps-grid {
        grid-template-columns: 1fr;
    }
}