/* =============================================================================
   Postenn — feuille de style unique.
   Design tokens + composants pour layouts app/admin/auth/public, dark mode inclus.
   Tout le code ci-dessous est ecrit pour Postenn ; rien d'importe.
   ============================================================================= */

/* ---------- Design tokens ---------- */

:root {
    --pn-primary: #5B6BFF;
    --pn-primary-hover: #4757F0;
    --pn-primary-active: #3845C9;
    --pn-primary-soft: #EEF0FF;
    --pn-primary-soft-strong: #DDE1FF;
    --pn-accent: #10B981;
    --pn-accent-soft: #D1FAE5;

    --pn-text: #111827;
    --pn-text-secondary: #374151;
    --pn-text-muted: #6B7280;
    --pn-text-faint: #9CA3AF;

    --pn-page-bg: #F7F8FB;
    --pn-surface: #FFFFFF;
    --pn-surface-2: #F1F3F8;
    --pn-surface-hover: #F4F5F9;
    --pn-border: #E5E7EB;
    --pn-border-strong: #D1D5DB;

    --pn-success: #047857;
    --pn-success-soft: #ECFDF5;
    --pn-danger: #B91C1C;
    --pn-danger-soft: #FEF2F2;
    --pn-warning: #92400E;
    --pn-warning-soft: #FFFBEB;
    --pn-info: #1E40AF;
    --pn-info-soft: #EFF6FF;

    --pn-shadow-sm: 0 1px 2px rgba(17, 24, 39, .05);
    --pn-shadow: 0 4px 12px rgba(17, 24, 39, .07);
    --pn-shadow-lg: 0 12px 32px rgba(17, 24, 39, .10);

    --pn-radius-sm: 6px;
    --pn-radius: 10px;
    --pn-radius-lg: 14px;
    --pn-radius-xl: 20px;
    --pn-radius-pill: 999px;

    --pn-font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

    --pn-sidebar-w: 248px;
    --pn-sidebar-w-collapsed: 64px;
    --pn-topbar-h: 56px;

    --pn-transition: 150ms ease;
}

[data-theme="dark"] {
    --pn-text: #F0F4F8;
    --pn-text-secondary: #CBD5E0;
    --pn-text-muted: #94A3B8;
    --pn-text-faint: #64748B;

    --pn-page-bg: #0D1117;
    --pn-surface: #161B22;
    --pn-surface-2: #1C232C;
    --pn-surface-hover: #1F2730;
    --pn-border: #2A3441;
    --pn-border-strong: #3B4859;

    --pn-primary-soft: rgba(91, 107, 255, 0.18);
    --pn-primary-soft-strong: rgba(91, 107, 255, 0.30);
    --pn-accent-soft: rgba(16, 185, 129, 0.18);

    --pn-success-soft: rgba(16, 185, 129, 0.15);
    --pn-danger-soft: rgba(185, 28, 28, 0.18);
    --pn-warning-soft: rgba(245, 158, 11, 0.18);
    --pn-info-soft: rgba(30, 64, 175, 0.20);
    --pn-success: #6EE7B7;
    --pn-danger: #FCA5A5;
    --pn-warning: #FCD34D;
    --pn-info: #93C5FD;

    --pn-shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
    --pn-shadow: 0 4px 12px rgba(0, 0, 0, .45);
    --pn-shadow-lg: 0 12px 32px rgba(0, 0, 0, .55);

    color-scheme: dark;
}

/* ---------- Base ---------- */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--pn-font-body);
    color: var(--pn-text);
    background: var(--pn-page-bg);
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
    color: var(--pn-text);
    margin: 0 0 .5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
h5, h6 { font-size: .9rem; }
p { margin: 0 0 .75rem; }
a { color: var(--pn-primary); text-decoration: none; }
a:hover { color: var(--pn-primary-hover); text-decoration: underline; }
code {
    background: var(--pn-surface-2);
    color: var(--pn-text);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: .85em;
    border: 1px solid var(--pn-border);
}
hr { border: 0; border-top: 1px solid var(--pn-border); margin: 1.5rem 0; }

.material-symbols-rounded {
    font-variation-settings: 'opsz' 24, 'wght' 500;
    vertical-align: middle;
    user-select: none;
}

/* ---------- App shell (sidebar + topbar + main) ---------- */

.pn-app {
    min-height: 100vh;
    background: var(--pn-page-bg);
}

/* ----- Sidebar ----- */

.pn-sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--pn-sidebar-w);
    background: var(--pn-surface);
    border-right: 1px solid var(--pn-border);
    display: flex;
    flex-direction: column;
    z-index: 40;
    transition: transform .25s, width .25s;
}
.pn-sidebar__brand {
    display: flex;
    align-items: center;
    gap: .65rem;
    height: var(--pn-topbar-h);
    padding: 0 1.25rem;
    border-bottom: 1px solid var(--pn-border);
    text-decoration: none;
    color: var(--pn-text);
    font-weight: 700;
    font-size: 1.05rem;
    flex-shrink: 0;
}
.pn-sidebar__brand img { height: 28px; width: auto; }
.pn-sidebar__brand:hover { text-decoration: none; color: var(--pn-text); }

.pn-sidebar__nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem .5rem;
}
.pn-sidebar__nav::-webkit-scrollbar { width: 6px; }
.pn-sidebar__nav::-webkit-scrollbar-thumb { background: var(--pn-border); border-radius: 3px; }
.pn-sidebar__nav::-webkit-scrollbar-track { background: transparent; }

.pn-nav-section {
    padding: 1rem 1rem .35rem;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--pn-text-faint);
    font-weight: 600;
}

.pn-nav-item {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .55rem .85rem;
    margin: 1px .25rem;
    border-radius: var(--pn-radius-sm);
    color: var(--pn-text-secondary);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 500;
    transition: background var(--pn-transition), color var(--pn-transition);
}
.pn-nav-item:hover {
    background: var(--pn-surface-hover);
    color: var(--pn-text);
    text-decoration: none;
}
.pn-nav-item.is-active {
    background: var(--pn-primary-soft);
    color: var(--pn-primary);
}
.pn-nav-item .material-symbols-rounded {
    font-size: 20px;
    flex-shrink: 0;
}

.pn-sidebar__footer {
    padding: .75rem 1rem;
    border-top: 1px solid var(--pn-border);
    display: flex;
    align-items: center;
    gap: .65rem;
}

.pn-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--pn-primary-soft);
    color: var(--pn-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .8rem;
    overflow: hidden;
    flex-shrink: 0;
}
.pn-avatar img { width: 100%; height: 100%; object-fit: cover; }

.pn-sidebar__user-info {
    flex: 1;
    min-width: 0;
}
.pn-sidebar__user-info strong {
    display: block;
    font-size: .85rem;
    color: var(--pn-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pn-sidebar__user-info small {
    display: block;
    font-size: .72rem;
    color: var(--pn-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ----- Topbar ----- */

.pn-topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    margin-left: var(--pn-sidebar-w);
    height: var(--pn-topbar-h);
    background: var(--pn-surface);
    border-bottom: 1px solid var(--pn-border);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
}
.pn-topbar__toggle {
    display: none;
    background: none;
    border: 0;
    color: var(--pn-text-secondary);
    cursor: pointer;
    padding: .4rem;
    border-radius: var(--pn-radius-sm);
}
.pn-topbar__toggle:hover { background: var(--pn-surface-hover); }
.pn-topbar__title {
    font-weight: 600;
    color: var(--pn-text);
    font-size: .95rem;
}
.pn-topbar__spacer { flex: 1; }
.pn-topbar__actions {
    display: flex;
    align-items: center;
    gap: .65rem;
}
.pn-topbar__icon-btn {
    background: none;
    border: 0;
    width: 36px;
    height: 36px;
    border-radius: var(--pn-radius-sm);
    color: var(--pn-text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.pn-topbar__icon-btn:hover { background: var(--pn-surface-hover); color: var(--pn-text); }

/* ----- Main content area ----- */

.pn-main {
    margin-left: var(--pn-sidebar-w);
    padding: 1.5rem 2rem 4rem;
    min-height: calc(100vh - var(--pn-topbar-h));
}

.pn-page-header {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: end;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}
.pn-page-header h1 { margin: 0; font-size: 1.6rem; }
.pn-page-header p { color: var(--pn-text-muted); margin: .25rem 0 0; }

/* Mobile: sidebar slide-in */
@media (max-width: 900px) {
    .pn-sidebar { transform: translateX(-100%); }
    .pn-sidebar.is-open { transform: none; box-shadow: var(--pn-shadow-lg); }
    .pn-topbar, .pn-main { margin-left: 0; }
    .pn-topbar__toggle { display: inline-flex; }
}

/* ---------- Components ---------- */

/* Card */
.pn-card {
    background: var(--pn-surface);
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--pn-shadow-sm);
    margin-bottom: 1.5rem;
}
.pn-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--pn-border);
}
.pn-card__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}
.pn-card__title .material-symbols-rounded {
    font-size: 20px;
    color: var(--pn-text-muted);
}

/* Stat cards grid */
.pn-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.pn-stat {
    background: var(--pn-surface);
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius-lg);
    padding: 1.25rem;
    box-shadow: var(--pn-shadow-sm);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.pn-stat__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--pn-radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--pn-primary-soft);
    color: var(--pn-primary);
}
.pn-stat__icon .material-symbols-rounded { font-size: 24px; }
.pn-stat__icon--indigo  { background: var(--pn-primary-soft); color: var(--pn-primary); }
.pn-stat__icon--emerald { background: var(--pn-accent-soft); color: var(--pn-accent); }
.pn-stat__icon--amber   { background: var(--pn-warning-soft); color: var(--pn-warning); }
.pn-stat__icon--rose    { background: var(--pn-danger-soft); color: var(--pn-danger); }
.pn-stat__icon--sky     { background: var(--pn-info-soft); color: var(--pn-info); }
.pn-stat__content { min-width: 0; }
.pn-stat__label {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--pn-text-muted);
    font-weight: 600;
    margin-bottom: .25rem;
}
.pn-stat__value {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--pn-text);
}

/* Buttons */
.pn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .5rem 1rem;
    border-radius: var(--pn-radius-sm);
    border: 1px solid var(--pn-border-strong);
    background: var(--pn-surface);
    color: var(--pn-text);
    text-decoration: none;
    font-size: .88rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--pn-transition), border-color var(--pn-transition), color var(--pn-transition);
    line-height: 1.2;
}
.pn-btn:hover { background: var(--pn-surface-hover); color: var(--pn-text); border-color: var(--pn-text-muted); text-decoration: none; }
.pn-btn .material-symbols-rounded { font-size: 18px; }
.pn-btn--primary {
    background: var(--pn-primary);
    border-color: var(--pn-primary);
    color: #fff;
}
.pn-btn--primary:hover { background: var(--pn-primary-hover); border-color: var(--pn-primary-hover); color: #fff; }
.pn-btn--danger {
    background: var(--pn-surface);
    border-color: var(--pn-danger);
    color: var(--pn-danger);
}
.pn-btn--danger:hover { background: var(--pn-danger-soft); color: var(--pn-danger); }
.pn-btn--ghost { border-color: transparent; }
.pn-btn--ghost:hover { background: var(--pn-surface-hover); border-color: transparent; }
.pn-btn--link {
    background: none;
    border: 0;
    padding: .3rem;
    color: var(--pn-primary);
}
.pn-btn--link:hover { background: none; color: var(--pn-primary-hover); text-decoration: underline; }
.pn-btn--lg { padding: .65rem 1.3rem; font-size: 1rem; }
.pn-btn--block { width: 100%; }
.pn-btn:disabled, .pn-btn[disabled] { opacity: .55; cursor: not-allowed; }

/* Pills / badges */
.pn-pill {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .2rem .6rem;
    border-radius: var(--pn-radius-pill);
    font-size: .75rem;
    font-weight: 600;
    background: var(--pn-surface-2);
    color: var(--pn-text-secondary);
    white-space: nowrap;
}
.pn-pill--indigo  { background: var(--pn-primary-soft); color: var(--pn-primary); }
.pn-pill--success { background: var(--pn-success-soft); color: var(--pn-success); }
.pn-pill--danger  { background: var(--pn-danger-soft); color: var(--pn-danger); }
.pn-pill--warning { background: var(--pn-warning-soft); color: var(--pn-warning); }
.pn-pill--info    { background: var(--pn-info-soft); color: var(--pn-info); }
.pn-pill .material-symbols-rounded { font-size: 14px; }

/* Alerts */
.pn-alert {
    display: flex;
    gap: .65rem;
    align-items: flex-start;
    padding: .85rem 1rem;
    border-radius: var(--pn-radius);
    border: 1px solid;
    margin-bottom: 1rem;
}
.pn-alert .material-symbols-rounded { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.pn-alert--success { background: var(--pn-success-soft); color: var(--pn-success); border-color: rgba(16, 185, 129, .35); }
.pn-alert--danger  { background: var(--pn-danger-soft);  color: var(--pn-danger);  border-color: rgba(185, 28, 28, .35); }
.pn-alert--warning { background: var(--pn-warning-soft); color: var(--pn-warning); border-color: rgba(146, 64, 14, .35); }
.pn-alert--info    { background: var(--pn-info-soft);    color: var(--pn-info);    border-color: rgba(30, 64, 175, .35); }

/* Forms */
.pn-form-group { margin-bottom: 1.1rem; }
.pn-label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--pn-text);
    margin-bottom: .35rem;
}
.pn-input,
.pn-select,
.pn-textarea {
    width: 100%;
    padding: .55rem .85rem;
    border-radius: var(--pn-radius-sm);
    border: 1px solid var(--pn-border-strong);
    background: var(--pn-surface);
    color: var(--pn-text);
    font-family: inherit;
    font-size: .9rem;
    transition: border-color var(--pn-transition), box-shadow var(--pn-transition);
}
.pn-input:focus,
.pn-select:focus,
.pn-textarea:focus {
    outline: 0;
    border-color: var(--pn-primary);
    box-shadow: 0 0 0 3px rgba(91, 107, 255, .18);
}
.pn-input::placeholder, .pn-textarea::placeholder { color: var(--pn-text-faint); }
.pn-textarea { min-height: 90px; resize: vertical; }
.pn-help { display: block; margin-top: .25rem; font-size: .75rem; color: var(--pn-text-muted); }
.pn-error { display: block; margin-top: .25rem; font-size: .8rem; color: var(--pn-danger); }
.pn-checkbox { display: inline-flex; align-items: center; gap: .5rem; font-size: .85rem; cursor: pointer; }
.pn-checkbox input { width: 16px; height: 16px; accent-color: var(--pn-primary); }

/* Dropdown (click to open via [data-pn-dropdown]) */
.pn-dropdown { position: relative; display: inline-flex; }
.pn-dropdown__menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 220px;
    background: var(--pn-surface);
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius);
    box-shadow: var(--pn-shadow-lg);
    padding: .35rem 0;
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity .15s, transform .15s, visibility .15s;
}
.pn-dropdown__menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.pn-dropdown__header {
    padding: .5rem 1rem .65rem;
    border-bottom: 1px solid var(--pn-border);
    margin-bottom: .35rem;
}
.pn-dropdown__header strong { display: block; font-size: .85rem; color: var(--pn-text); }
.pn-dropdown__header small { font-size: .72rem; color: var(--pn-text-muted); }
.pn-dropdown__item {
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: .5rem 1rem;
    background: none;
    border: 0;
    width: 100%;
    text-align: left;
    color: var(--pn-text);
    text-decoration: none;
    font-size: .87rem;
    cursor: pointer;
}
.pn-dropdown__item:hover { background: var(--pn-surface-hover); color: var(--pn-text); text-decoration: none; }
.pn-dropdown__item .material-symbols-rounded { font-size: 18px; color: var(--pn-text-muted); }
.pn-dropdown__item.is-danger { color: var(--pn-danger); }
.pn-dropdown__item.is-danger .material-symbols-rounded { color: var(--pn-danger); }
.pn-dropdown__item.is-danger:hover { background: var(--pn-danger-soft); }
.pn-dropdown__divider { height: 1px; background: var(--pn-border); margin: .35rem 0; }

/* Table simple */
.pn-table {
    width: 100%;
    border-collapse: collapse;
}
.pn-table thead th {
    text-align: left;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--pn-text-muted);
    padding: .65rem 1rem;
    border-bottom: 1px solid var(--pn-border);
    font-weight: 600;
}
.pn-table tbody td {
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--pn-border);
    font-size: .88rem;
}
.pn-table tbody tr:hover { background: var(--pn-surface-hover); }
.pn-table tbody tr:last-child td { border-bottom: 0; }

/* Empty state */
.pn-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--pn-surface);
    border: 1px dashed var(--pn-border-strong);
    border-radius: var(--pn-radius-lg);
}
.pn-empty .material-symbols-rounded {
    font-size: 3rem;
    color: var(--pn-primary);
}
.pn-empty h3 { margin: .75rem 0 .25rem; }
.pn-empty p { color: var(--pn-text-muted); }

/* Progress bar */
.pn-progress {
    height: 8px;
    background: var(--pn-surface-2);
    border-radius: var(--pn-radius-pill);
    overflow: hidden;
}
.pn-progress__bar {
    height: 100%;
    background: var(--pn-primary);
    transition: width .3s;
}

/* ---------- Admin variant (sidebar sombre) ---------- */

.pn-app--admin .pn-sidebar {
    background: #0F1115;
    border-right-color: #1B1F2A;
}
.pn-app--admin .pn-sidebar__brand {
    color: #fff;
    border-bottom-color: #1B1F2A;
}
.pn-app--admin .pn-sidebar__brand small {
    background: var(--pn-accent);
    color: #fff;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: .65rem;
    margin-left: 4px;
}
.pn-app--admin .pn-nav-section { color: #6F7686; }
.pn-app--admin .pn-nav-item { color: #B5B9C5; }
.pn-app--admin .pn-nav-item:hover { background: #1B1F2A; color: #fff; }
.pn-app--admin .pn-nav-item.is-active { background: var(--pn-primary); color: #fff; }
.pn-app--admin .pn-sidebar__footer { border-top-color: #1B1F2A; }

[data-theme="dark"] .pn-app--admin .pn-sidebar { background: #0A0E15; border-right-color: #16202C; }

/* ---------- Auth layout (login / register) ---------- */

.pn-auth {
    min-height: 100vh;
    background: var(--pn-page-bg);
    display: grid;
    grid-template-columns: 1fr 1fr;
}
@media (max-width: 900px) {
    .pn-auth { grid-template-columns: 1fr; }
    .pn-auth__aside { display: none; }
}
.pn-auth__aside {
    background: linear-gradient(155deg, var(--pn-primary), var(--pn-primary-active));
    color: #fff;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.pn-auth__brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    color: #fff;
    font-weight: 800;
    font-size: 1.35rem;
    text-decoration: none;
}
.pn-auth__brand img { height: 36px; }
.pn-auth__brand:hover { color: #fff; text-decoration: none; }
.pn-auth__pitch h2 { color: #fff; font-size: 2rem; margin-bottom: 1rem; }
.pn-auth__pitch p { color: rgba(255,255,255,.85); max-width: 38ch; }
.pn-auth__pitch ul { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.pn-auth__pitch li {
    padding: .35rem 0;
    display: flex;
    gap: .55rem;
    align-items: center;
    color: rgba(255,255,255,.92);
}
.pn-auth__main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.5rem;
}
.pn-auth__card {
    width: 100%;
    max-width: 420px;
    background: var(--pn-surface);
    border-radius: var(--pn-radius-xl);
    padding: 2.5rem;
    box-shadow: var(--pn-shadow-lg);
    border: 1px solid var(--pn-border);
}
.pn-auth__card h1 { font-size: 1.55rem; margin-bottom: .25rem; }
.pn-auth__lead { color: var(--pn-text-muted); margin-bottom: 1.5rem; }
.pn-auth__topbar {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
}
.pn-auth__divider {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: var(--pn-text-faint);
    font-size: .8rem;
    margin: 1.25rem 0;
}
.pn-auth__divider::before, .pn-auth__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--pn-border);
}
.pn-google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    width: 100%;
    padding: .6rem 1rem;
    border: 1px solid var(--pn-border-strong);
    border-radius: var(--pn-radius-sm);
    background: var(--pn-surface);
    color: var(--pn-text);
    font-weight: 600;
    text-decoration: none;
}
.pn-google-btn:hover { background: var(--pn-surface-hover); color: var(--pn-text); text-decoration: none; }
.pn-google-btn img { width: 18px; height: 18px; }

/* ---------- Public layout ---------- */

.pn-public {
    background: var(--pn-surface);
    min-height: 100vh;
}
.pn-public-nav {
    background: var(--pn-surface);
    border-bottom: 1px solid var(--pn-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 50;
}
.pn-public-nav__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}
.pn-public-nav__brand {
    color: var(--pn-text);
    text-decoration: none;
    font-weight: 800;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}
.pn-public-nav__brand img { height: 32px; }
.pn-public-nav__brand:hover { color: var(--pn-text); text-decoration: none; }
.pn-public-nav__links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
    flex: 1;
}
.pn-public-nav__links a {
    color: var(--pn-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: .9rem;
}
.pn-public-nav__links a:hover { color: var(--pn-text); text-decoration: none; }
.pn-public-nav__actions { display: flex; gap: .5rem; align-items: center; }

.pn-public-footer {
    background: var(--pn-surface-2);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    border-top: 1px solid var(--pn-border);
}
.pn-public-footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
}
@media (max-width: 768px) {
    .pn-public-footer__inner { grid-template-columns: 1fr 1fr; }
}
.pn-public-footer h6 {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .75rem;
    color: var(--pn-text-secondary);
}
.pn-public-footer a {
    display: block;
    color: var(--pn-text-muted);
    text-decoration: none;
    padding: .2rem 0;
    font-size: .88rem;
}
.pn-public-footer a:hover { color: var(--pn-text); }
.pn-public-footer__copy {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding: 1.5rem 1.5rem 0;
    border-top: 1px solid var(--pn-border);
    text-align: center;
    color: var(--pn-text-muted);
    font-size: .8rem;
}

/* ---------- Utils ---------- */

.pn-hidden { display: none !important; }
.pn-text-muted { color: var(--pn-text-muted); }
.pn-text-danger { color: var(--pn-danger); }
.pn-text-success { color: var(--pn-success); }
.pn-text-center { text-align: center; }
.pn-flex { display: flex; }
.pn-flex-wrap { flex-wrap: wrap; }
.pn-gap-1 { gap: .35rem; }
.pn-gap-2 { gap: .65rem; }
.pn-gap-3 { gap: 1rem; }
.pn-mt-1 { margin-top: .5rem; }
.pn-mt-2 { margin-top: 1rem; }
.pn-mt-3 { margin-top: 1.5rem; }
.pn-mb-1 { margin-bottom: .5rem; }
.pn-mb-2 { margin-bottom: 1rem; }
.pn-mb-3 { margin-bottom: 1.5rem; }
.pn-grid { display: grid; }
.pn-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.pn-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.pn-grid-cols-auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
@media (max-width: 768px) {
    .pn-grid-cols-2, .pn-grid-cols-3 { grid-template-columns: 1fr; }
}