/* WorkLog Doorway — 门户页 */
:root {
    --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --spa-bg-body: #f5f7fb;
    --spa-bg-surface: #ffffff;
    --spa-bg-muted: #f8fafc;
    --spa-text: #0f172a;
    --spa-text-secondary: #475569;
    --spa-text-muted: #64748b;
    --spa-border: #e2e8f0;
    --spa-border-soft: #f1f5f9;
    --spa-accent: #4f46e5;
    --spa-logo-grad-from: #1e293b;
    --spa-logo-grad-to: #4f46e5;
    --spa-btn-primary-bg: linear-gradient(135deg, #6366f1, #8b5cf6);
    --spa-btn-primary-shadow: 0 4px 10px rgba(99, 102, 241, 0.2);
    --spa-btn-primary-shadow-hover: 0 6px 14px rgba(99, 102, 241, 0.25);
    --spa-nav-hover-bg: #f8fafc;
    --portal-max: 1180px;
    --portal-radius-lg: 28px;
    --portal-radius-pill: 999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-feature-settings: "tnum" 1;
    background: var(--spa-bg-body);
    color: var(--spa-text);
    line-height: 1.5;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--spa-border-soft);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 12px;
}

.container {
    max-width: var(--portal-max);
    margin: 0 auto;
    padding: 0 28px 56px;
}

.navbar {
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    border-bottom: 1px solid var(--spa-border-soft);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--spa-btn-primary-bg);
    box-shadow: var(--spa-btn-primary-shadow);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.logo-area:hover .logo-icon {
    transform: scale(0.96);
    box-shadow: var(--spa-btn-primary-shadow-hover);
}

.logo-text {
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--spa-logo-grad-from), var(--spa-logo-grad-to));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

.nav-links {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--spa-text-secondary);
    transition: color 0.15s;
}

.nav-links a:hover {
    color: var(--spa-text);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-outline {
    background: var(--spa-bg-surface);
    border: 1px solid var(--spa-border);
    color: var(--spa-text-secondary);
    padding: 8px 18px;
    border-radius: var(--portal-radius-pill);
}

.btn-outline:hover {
    background: var(--spa-nav-hover-bg);
    color: var(--spa-text);
    border-color: #cbd5e1;
}

.btn-primary {
    background: var(--spa-btn-primary-bg);
    color: #fff;
    padding: 10px 22px;
    border-radius: var(--portal-radius-pill);
    box-shadow: var(--spa-btn-primary-shadow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--spa-btn-primary-shadow-hover);
}

.btn-secondary {
    background: var(--spa-bg-surface);
    border: 1px solid var(--spa-border);
    color: var(--spa-text);
    padding: 12px 26px;
    border-radius: var(--portal-radius-pill);
}

.btn-secondary:hover {
    background: var(--spa-nav-hover-bg);
    border-color: #cbd5e1;
}

.hero {
    padding: 72px 0 64px;
    text-align: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--spa-bg-surface);
    border: 1px solid var(--spa-border-soft);
    padding: 6px 14px;
    border-radius: var(--portal-radius-pill);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--spa-text-secondary);
    margin-bottom: 22px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    max-width: 820px;
    margin: 0 auto 18px;
    color: var(--spa-text);
}

.hero p {
    font-size: 1.1rem;
    color: var(--spa-text-muted);
    max-width: 560px;
    margin: 0 auto 28px;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.portal-auth-hidden {
    display: none !important;
}

.cta-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 4px;
}

.section-title {
    text-align: center;
    font-size: 1.65rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.section-sub {
    text-align: center;
    color: var(--spa-text-muted);
    max-width: 520px;
    margin: 0 auto 40px;
    font-size: 0.98rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 56px;
}

.card {
    background: var(--spa-bg-surface);
    border-radius: var(--portal-radius-lg);
    padding: 28px 24px;
    border: 1px solid var(--spa-border-soft);
    box-shadow: 0 6px 16px -10px rgba(15, 23, 42, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--spa-border);
    box-shadow: 0 20px 32px -16px rgba(79, 70, 229, 0.12);
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--spa-nav-hover-bg);
    color: var(--spa-accent);
    font-size: 1.25rem;
    margin-bottom: 18px;
}

.card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.card p {
    color: var(--spa-text-muted);
    font-size: 0.92rem;
    margin-bottom: 18px;
}

.card-link {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--spa-accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.card-link:hover {
    gap: 10px;
}

.feature-showcase {
    display: flex;
    flex-wrap: wrap;
    background: var(--spa-bg-surface);
    border-radius: 32px;
    margin-bottom: 56px;
    border: 1px solid var(--spa-border-soft);
    overflow: hidden;
    box-shadow: 0 12px 28px -14px rgba(15, 23, 42, 0.1);
}

.feature-text {
    flex: 1 1 300px;
    padding: 48px 40px;
    display: flex;
    flex-direction: column;
}

.access-workspace-link {
    align-self: flex-end;
    margin-top: auto;
    padding-top: 20px;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--spa-accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.access-workspace-link:hover {
    gap: 8px;
}

.feature-text h2 {
    font-size: 1.65rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.feature-text p {
    color: var(--spa-text-muted);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.92rem;
    color: var(--spa-text-secondary);
}

.feature-list .material-symbols-outlined {
    font-size: 20px;
    color: var(--spa-accent);
}

.feature-media {
    flex: 1 1 280px;
    background: var(--spa-bg-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: 28px;
}

.dashboard-mock {
    background: var(--spa-bg-surface);
    width: 100%;
    max-width: 340px;
    border-radius: 20px;
    padding: 20px 18px;
    border: 1px solid var(--spa-border-soft);
    box-shadow: 0 16px 32px -12px rgba(15, 23, 42, 0.12);
}

.mock-row {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
    align-items: center;
}

.mock-dot {
    width: 8px;
    height: 8px;
    background: #e2e8f0;
    border-radius: 50%;
}

.mock-line {
    height: 8px;
    background: #f1f5f9;
    border-radius: 8px;
    flex: 1;
}

.mock-line.thin {
    width: 65%;
}

.mock-card-sm {
    background: var(--spa-bg-muted);
    border-radius: 14px;
    padding: 12px 14px;
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--spa-text-secondary);
}

.mock-card-sm strong {
    color: var(--spa-text);
    font-weight: 600;
}

.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
    text-align: center;
    background: var(--spa-bg-surface);
    border-radius: 32px;
    padding: 36px 28px;
    margin-bottom: 56px;
    border: 1px solid var(--spa-border-soft);
}

.stat-item h3 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--spa-text);
    margin-bottom: 4px;
}

.stat-item p {
    color: var(--spa-text-muted);
    font-size: 0.85rem;
}

.pill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 56px;
}

.pill-item {
    border-left: 3px solid var(--spa-accent);
    padding: 8px 16px;
}

.pill-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 8px 0 6px;
}

.pill-item p {
    font-size: 0.88rem;
    color: var(--spa-text-muted);
}

.cta-block {
    background: linear-gradient(145deg, #1e293b 0%, #312e81 55%, #4f46e5 100%);
    border-radius: 32px;
    padding: 52px 32px;
    text-align: center;
    color: #fff;
    margin-bottom: 48px;
    box-shadow: 0 20px 40px -16px rgba(79, 70, 229, 0.35);
}

.cta-block h2 {
    font-size: 1.65rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.cta-block p {
    max-width: 480px;
    margin: 0 auto 22px;
    opacity: 0.88;
    font-size: 0.95rem;
}

.btn-cta {
    background: #fff;
    color: #312e81;
    padding: 12px 28px;
    border-radius: var(--portal-radius-pill);
    font-weight: 600;
}

.btn-cta:hover {
    transform: scale(0.98);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

footer {
    border-top: 1px solid var(--spa-border-soft);
    padding-top: 40px;
}

.footer-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 32px;
}

.footer-col p {
    color: var(--spa-text-muted);
    font-size: 0.85rem;
    max-width: 260px;
    margin-top: 12px;
    line-height: 1.5;
}

.footer-col h4 {
    font-weight: 600;
    margin-bottom: 14px;
    font-size: 0.85rem;
    color: var(--spa-text-secondary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    text-decoration: none;
    color: var(--spa-text-muted);
    font-size: 0.85rem;
    transition: color 0.15s;
}

.footer-links a:hover {
    color: var(--spa-accent);
}

.copyright {
    text-align: center;
    margin-top: 36px;
    font-size: 0.75rem;
    color: var(--spa-text-muted);
}

/* —— 认证 / 管理子页（login · invite · users）—— */
.container--narrow {
    max-width: 520px;
}

.container--admin {
    max-width: 640px;
}

.doorway-auth {
    min-height: 100vh;
}

.doorway-auth .navbar {
    margin-bottom: 8px;
}

.form-card,
.admin-card {
    background: var(--spa-bg-surface);
    border: 1px solid var(--spa-border-soft);
    border-radius: 24px;
    padding: 32px 28px;
    box-shadow: 0 12px 28px -14px rgba(15, 23, 42, 0.1);
    margin: 24px 0 20px;
}

.form-card h1,
.admin-card h1 {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.form-card .lead,
.admin-card .lead {
    font-size: 0.92rem;
    color: var(--spa-text-muted);
    margin-bottom: 24px;
    line-height: 1.5;
}

.form-card .lead a,
.admin-card .lead a,
.doorway-foot a {
    color: var(--spa-accent);
    font-weight: 500;
    text-decoration: none;
}

.form-card .lead a:hover,
.admin-card .lead a:hover,
.doorway-foot a:hover {
    text-decoration: underline;
}

.form-field {
    display: block;
    margin-bottom: 18px;
}

.form-field span {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--spa-text-secondary);
    margin-bottom: 6px;
}

.form-field input {
    width: 100%;
    padding: 10px 14px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--spa-text);
    background: var(--spa-bg-muted);
    border: 1px solid var(--spa-border);
    border-radius: 12px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-field input:focus {
    outline: none;
    border-color: var(--spa-accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    background: var(--spa-bg-surface);
}

.btn-block {
    width: 100%;
    margin-top: 8px;
    padding: 12px 20px;
}

.msg {
    margin-top: 16px;
    font-size: 0.9rem;
    min-height: 1.25em;
}

.msg.ok {
    color: #047857;
}

.msg.err {
    color: #b91c1c;
}

.doorway-foot {
    text-align: center;
    font-size: 0.88rem;
    color: var(--spa-text-muted);
    padding-bottom: 32px;
}

.doorway-foot .sep {
    margin: 0 8px;
    color: var(--spa-border);
}

.admin-section {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--spa-border-soft);
}

.admin-section:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.admin-section h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--spa-text);
}

.admin-section .btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: 12px;
    background: var(--spa-bg-muted);
    border: 1px solid var(--spa-border);
    color: var(--spa-text-secondary);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.admin-section .btn-sm:hover {
    background: var(--spa-nav-hover-bg);
    border-color: #cbd5e1;
    color: var(--spa-text);
}

.admin-section .btn-sm.btn-danger {
    color: #b91c1c;
}

.admin-section .btn-sm.btn-danger:hover {
    background: #fef2f2;
    border-color: #fecaca;
}

#who {
    font-size: 0.92rem;
    color: var(--spa-text-secondary);
    margin-bottom: 4px;
}

#who a {
    color: var(--spa-accent);
    font-weight: 500;
    text-decoration: none;
}

.invite-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.invite-list li {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    margin-bottom: 8px;
    background: var(--spa-bg-muted);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--spa-text-secondary);
}

.invite-pre {
    background: var(--spa-bg-muted);
    border: 1px solid var(--spa-border-soft);
    border-radius: 12px;
    padding: 14px;
    overflow: auto;
    font-size: 0.8rem;
    line-height: 1.45;
    color: var(--spa-text-secondary);
    margin-top: 12px;
    white-space: pre-wrap;
    word-break: break-all;
}

.form-row-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: flex-end;
}

.form-row-inline .form-field {
    flex: 1 1 140px;
    margin-bottom: 0;
}

.form-row-inline .btn-primary {
    flex: 0 0 auto;
    margin-bottom: 0;
}

@media (max-width: 720px) {
    .container {
        padding: 0 18px 40px;
    }
    .feature-text {
        padding: 32px 22px;
    }
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }
    .form-card,
    .admin-card {
        padding: 24px 20px;
    }
}