/**
 * Launcher — gateway selector for the three Gap Analysis UIs.
 * Reuses /gap-demo/css/theme.css design tokens (--primary-color, --spacing-*, etc.)
 */

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: var(--font-family, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
    color: var(--text-primary, #2d3748);
    background:
        linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.06) 100%),
        var(--bg-secondary, #f7fafc);
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hidden { display: none !important; }

/* ── Header ─────────────────────────────────────────────────────── */

.launcher-header {
    background: linear-gradient(135deg, var(--primary-color, #667eea) 0%, var(--secondary-color, #764ba2) 100%);
    color: #fff;
    padding: var(--spacing-md, 16px) 0;
    box-shadow: var(--shadow-md, 0 4px 6px rgba(0, 0, 0, 0.1));
}

.launcher-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg, 24px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md, 16px);
}

.launcher-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md, 16px);
}

.launcher-logo {
    font-size: 2.25rem;
    line-height: 1;
}

.launcher-brand h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.launcher-subtitle {
    margin: 2px 0 0;
    font-size: 0.9rem;
    opacity: 0.85;
}

.launcher-header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md, 16px);
}

.auth-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-full, 9999px);
    font-size: 0.8rem;
    text-transform: capitalize;
    backdrop-filter: blur(4px);
}

.auth-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color, #48bb78);
    box-shadow: 0 0 0 2px rgba(72, 187, 120, 0.3);
}

.link-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    padding: 4px 12px;
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    font-size: 0.85rem;
    transition: background var(--transition-fast, 150ms ease);
}
.link-btn:hover { background: rgba(255, 255, 255, 0.18); }

/* ── Main / Auth section ────────────────────────────────────────── */

.launcher-main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-2xl, 48px) var(--spacing-lg, 24px);
}

.auth-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: var(--radius-lg, 12px);
    padding: var(--spacing-xl, 32px);
    box-shadow: var(--shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.1));
}

.auth-card h2 {
    margin: 0 0 8px;
    font-size: 1.5rem;
    font-weight: 600;
}

.auth-explainer {
    margin: 0 0 var(--spacing-lg, 24px);
    color: var(--text-secondary, #4a5568);
    font-size: 0.95rem;
    line-height: 1.5;
}

#auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md, 16px);
}

/* Match both password and text — the toggle below swaps the input.type. */
#auth-form input[type="password"],
#auth-form input[type="text"] {
    width: 100%;
    /* Right padding leaves space for the visibility-toggle button. */
    padding: 12px 44px 12px 14px;
    font-size: 1rem;
    border: 1px solid var(--border-medium, #cbd5e0);
    border-radius: var(--radius-md, 8px);
    transition: border-color var(--transition-fast, 150ms ease), box-shadow var(--transition-fast, 150ms ease);
}
#auth-form input[type="password"]:focus,
#auth-form input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.18);
}

/* Show / hide password — eye icon overlaid on the right edge of the input. */
.password-field {
    position: relative;
    display: block;
}
.password-toggle {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: var(--radius-sm, 4px);
    font-size: 1.05rem;
    line-height: 1;
    color: var(--text-muted, #718096);
    transition: background var(--transition-fast, 150ms ease), color var(--transition-fast, 150ms ease);
}
.password-toggle:hover {
    background: rgba(0, 0, 0, 0.04);
    color: var(--primary-dark, #5a67d8);
}
.password-toggle:focus-visible {
    outline: 2px solid var(--primary-color, #667eea);
    outline-offset: 2px;
    background: rgba(0, 0, 0, 0.04);
}
.password-toggle.is-visible {
    color: var(--primary-color, #667eea);
}
.password-toggle.is-visible .eye-icon {
    position: relative;
}
.password-toggle.is-visible .eye-icon::after {
    content: '';
    position: absolute;
    left: -2px;
    right: -2px;
    top: 50%;
    height: 2px;
    background: currentColor;
    transform: rotate(-20deg);
    transform-origin: center;
    border-radius: 2px;
}

.btn-primary, .btn-secondary {
    padding: 12px 18px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    transition: transform var(--transition-fast, 150ms ease), box-shadow var(--transition-fast, 150ms ease), background var(--transition-fast, 150ms ease);
    border: 1px solid transparent;
    text-align: center;
    line-height: 1.2;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color, #667eea), var(--primary-dark, #5a67d8));
    color: #fff;
    box-shadow: var(--shadow-md, 0 4px 6px rgba(0, 0, 0, 0.1));
}
.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.1));
}
.btn-primary:focus-visible {
    outline: 2px solid var(--primary-color, #667eea);
    outline-offset: 3px;
}
.btn-primary:disabled, .btn-secondary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-secondary {
    background: #fff;
    color: var(--primary-dark, #5a67d8);
    border-color: var(--border-medium, #cbd5e0);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--bg-tertiary, #edf2f7);
    border-color: var(--primary-color, #667eea);
}
.btn-secondary:focus-visible {
    outline: 2px solid var(--primary-dark, #5a67d8);
    outline-offset: 3px;
}

/* Keyboard focus on UI cards (when whole card is the target of Tab) */
.ui-card:focus-within {
    outline: 2px solid var(--primary-color, #667eea);
    outline-offset: 3px;
}

/* Disclosure caret */
.diff-section summary {
    position: relative;
    padding-left: 22px;
    list-style: none;
}
.diff-section summary::-webkit-details-marker { display: none; }
.diff-section summary::before {
    content: "▸";
    position: absolute;
    left: 4px;
    transition: transform var(--transition-fast, 150ms ease);
    display: inline-block;
}
.diff-section[open] summary::before { transform: rotate(90deg); }

.auth-error {
    margin-top: var(--spacing-sm, 8px);
    min-height: 1.2em;
    color: var(--danger-color, #f56565);
    font-size: 0.9rem;
}

/* "Keep me signed in" checkbox */
.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary, #4a5568);
    cursor: pointer;
    user-select: none;
}
.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color, #667eea);
    cursor: pointer;
    margin: 0;
}
.remember-me span { line-height: 1.2; }

/* ── Selector section ───────────────────────────────────────────── */

.selector-intro {
    margin-bottom: var(--spacing-xl, 32px);
    text-align: center;
}
.selector-intro h2 {
    margin: 0 0 6px;
    font-size: 1.6rem;
    font-weight: 600;
}
.selector-intro p {
    margin: 0;
    color: var(--text-secondary, #4a5568);
    font-size: 0.95rem;
}

.ui-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg, 24px);
}

.ui-card {
    background: #fff;
    border-radius: var(--radius-lg, 12px);
    padding: var(--spacing-xl, 32px) var(--spacing-lg, 24px);
    box-shadow: var(--shadow-md, 0 4px 6px rgba(0, 0, 0, 0.1));
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm, 8px);
    transition: transform var(--transition-fast, 150ms ease), box-shadow var(--transition-fast, 150ms ease), border-color var(--transition-fast, 150ms ease);
    position: relative;
}
.ui-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.1));
}
.ui-card.last-opened {
    border-color: var(--primary-color, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.12), var(--shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.1));
}

/* Role-gated cards: hidden by default so a basic user never sees a flash of
 * the admin card before launcher.js applies the `.role-allowed` class. */
.ui-card[data-role-required="admin"] { display: none; }
.ui-card[data-role-required="admin"].role-allowed { display: flex; }

.ui-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm, 8px);
}
.ui-card-icon { font-size: 2rem; line-height: 1; }
.ui-card-badge {
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: var(--radius-full, 9999px);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}
.ui-card-badge--new {
    background: linear-gradient(135deg, var(--primary-color, #667eea), var(--secondary-color, #764ba2));
    color: #fff;
}

.ui-card h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}
.ui-card-tag {
    margin: 0 0 var(--spacing-sm, 8px);
    font-size: 0.85rem;
    color: var(--text-muted, #718096);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.ui-card-bullets {
    margin: 0 0 var(--spacing-lg, 24px);
    padding-left: 1.1rem;
    color: var(--text-secondary, #4a5568);
    font-size: 0.95rem;
    line-height: 1.55;
}
.ui-card-bullets li { margin-bottom: 4px; }
.ui-card-open {
    margin-top: auto;
    width: 100%;
}
.ui-card-meta {
    margin: var(--spacing-sm, 8px) 0 0;
    font-size: 0.78rem;
    color: var(--text-muted, #718096);
    text-align: center;
    min-height: 1em;
}

/* ── Diff section ───────────────────────────────────────────────── */

.diff-section {
    margin-top: var(--spacing-2xl, 48px);
    background: #fff;
    border-radius: var(--radius-lg, 12px);
    padding: var(--spacing-md, 16px) var(--spacing-lg, 24px);
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}
.diff-section summary {
    cursor: pointer;
    font-weight: 500;
    color: var(--primary-dark, #5a67d8);
    padding: var(--spacing-sm, 8px) 0;
}
.diff-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md, 16px);
    font-size: 0.92rem;
}
.diff-table th, .diff-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-light, #e2e8f0);
}
.diff-table th {
    background: var(--bg-secondary, #f7fafc);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary, #4a5568);
}
.diff-table tbody tr:last-child td { border-bottom: none; }
.diff-table td:first-child { font-weight: 500; color: var(--text-primary, #2d3748); }

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

.launcher-footer {
    padding: var(--spacing-md, 16px) var(--spacing-lg, 24px);
    text-align: center;
    color: var(--text-muted, #718096);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-light, #e2e8f0);
}
.launcher-footer a {
    color: var(--primary-dark, #5a67d8);
    text-decoration: none;
}
.launcher-footer a:hover { text-decoration: underline; }
.launcher-footer-sep { margin: 0 8px; opacity: 0.5; }

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

@media (max-width: 600px) {
    .launcher-header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm, 8px);
    }
    .launcher-main {
        padding: var(--spacing-lg, 24px) var(--spacing-md, 16px);
    }
    .ui-grid {
        grid-template-columns: 1fr;
    }
}