/* ==================== Reset & Base ==================== */

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

html, body {
    margin: 0;
    padding: 0;
}

/* Without this, the `hidden` attribute is silently overridden by any
   class here that sets `display` (e.g. .btn's inline-flex, .stack's
   flex) - same specificity, and the author stylesheet wins over the
   user-agent default. */
[hidden] {
    display: none !important;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    margin: 0 0 var(--space-3);
    line-height: 1.25;
    font-weight: 650;
    overflow-wrap: anywhere;
    word-break: break-word;
}

h1 { font-size: var(--font-size-xxl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }

p { margin: 0 0 var(--space-3); }

a {
    color: var(--color-accent);
    text-decoration: none;
}
a:hover { text-decoration: underline; }

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

ul { margin: 0; padding: 0; list-style: none; }

/* ==================== Layout ==================== */

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

.page {
    flex: 1;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-5) var(--space-4) var(--space-8);
}

.page--narrow {
    max-width: 480px;
}

.centered-page {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

/* ==================== Top bar ==================== */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar__brand {
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

.topbar__brand:hover { text-decoration: none; }

.topbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.topbar__user {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.topbar__right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Hamburger menu */
.topbar__hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--space-2);
    gap: var(--space-2);
    color: var(--color-text);
}

.topbar__hamburger-line {
    width: 24px;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

.topbar__hamburger.active .topbar__hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.topbar__hamburger.active .topbar__hamburger-line:nth-child(2) {
    opacity: 0;
}

.topbar__hamburger.active .topbar__hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.topbar__menu {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.topbar__menu-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-base);
    padding: var(--space-2) 0;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition);
    background: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.topbar__menu-link:hover {
    border-bottom-color: var(--color-primary);
}

.topbar__menu-link--active {
    border-bottom-color: var(--color-primary);
    font-weight: 650;
}

.topbar__menu-logout {
    background: none;
    border: none;
    cursor: pointer;
}

/* User badge */
.topbar__badge {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 650;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    overflow: hidden;
    user-select: none;
}

.topbar__badge img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.topbar__badge:hover,
.topbar__badge--active {
    box-shadow: 0 0 0 2px var(--color-primary-dark);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .topbar {
        position: relative;
    }

    .topbar__hamburger {
        display: flex;
        order: 2;
    }

    .topbar__badge {
        order: 3;
    }

    .topbar__menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-surface);
        flex-direction: column;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition);
        border-bottom: 1px solid var(--color-border);
        align-items: stretch;
    }

    .topbar__menu.active {
        max-height: 400px;
        box-shadow: 0 8px 16px rgba(20, 32, 39, 0.1);
    }

    .topbar__menu-link {
        width: 100%;
        padding: var(--space-3) var(--space-4);
        border-bottom: 1px solid var(--color-border);
        border-right: none;
        text-align: left;
    }

    .topbar__menu-link:hover {
        background-color: var(--color-primary-light);
        border-bottom-color: transparent;
    }

    .topbar__menu-link--active {
        background-color: var(--color-primary-light);
    }

    .topbar__menu-logout {
        width: 100%;
        padding: var(--space-3) var(--space-4);
        text-align: left;
    }
}

/* ==================== Auth card ==================== */

.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-6) var(--space-5);
}

.auth-card__logo {
    text-align: center;
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-1);
}

.auth-card__tagline {
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-5);
}

.auth-card__footer {
    text-align: center;
    margin-top: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ==================== Forms ==================== */

.field {
    margin-bottom: var(--space-4);
}

.field label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.field small {
    display: block;
    margin-top: var(--space-1);
    color: var(--color-text-faint);
    font-size: 0.78rem;
}

.field-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}
.field-row .field { flex: 1 1 200px; min-width: 0; }

.checkbox-field {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}
.checkbox-field input { width: auto; margin-top: 0.2rem; }
.checkbox-field label { font-weight: 400; color: var(--color-text); }

/* ==================== Buttons ==================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), opacity var(--transition);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); }

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-border);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--color-primary); }

.btn-danger {
    background: var(--color-surface);
    color: var(--color-danger);
    border-color: var(--color-danger-bg);
}
.btn-danger:hover:not(:disabled) { background: var(--color-danger-bg); }

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
}
.btn-ghost:hover:not(:disabled) { background: var(--color-primary-light); color: var(--color-primary); }

.btn-sm { padding: 0.35rem 0.75rem; font-size: var(--font-size-sm); }
.btn-block { width: 100%; }

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* ==================== Cards ==================== */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.card-header h2, .card-header h3 { margin: 0; min-width: 0; }

.section-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-5) 0;
}

/* ==================== Page header ==================== */

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.page-header > * {
    min-width: 0;
}

.page-header__meta {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    overflow-wrap: anywhere;
}

/* ==================== Status badges ==================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-draft { color: var(--status-draft); background: var(--status-draft-bg); }
.badge-published { color: var(--status-published); background: var(--status-published-bg); }
.badge-active { color: var(--status-active); background: var(--status-active-bg); }
.badge-completed { color: var(--status-completed); background: var(--status-completed-bg); }
.badge-cancelled { color: var(--status-cancelled); background: var(--status-cancelled-bg); }
.badge-log-info { color: var(--color-info); background: var(--color-info-bg); }
.badge-log-warning { color: var(--color-warning); background: var(--color-warning-bg); }
.badge-log-error { color: var(--color-danger); background: var(--color-danger-bg); }

/* ==================== Admin dashboard ==================== */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.stat-tile {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    text-align: center;
}

.stat-tile--clickable {
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.stat-tile--clickable:hover,
.stat-tile--clickable:focus-visible {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
    outline: none;
}

.stat-tile--active {
    border-color: var(--color-primary);
    box-shadow: inset 0 0 0 1px var(--color-primary);
}

.stat-tile__value {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-tile__label {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--space-1);
}

.table-scroll {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th, .admin-table td {
    text-align: left;
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.admin-table th {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.admin-table td.log-message-cell {
    white-space: normal;
    word-break: break-word;
    min-width: 320px;
}

.log-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: flex-end;
    margin-bottom: var(--space-4);
}

.log-filters .field {
    margin-bottom: 0;
}

.log-filters .field--search {
    flex: 1 1 240px;
    min-width: 0;
}

.log-stack-trace {
    margin-top: var(--space-1);
}

.log-stack-trace summary {
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.log-stack-trace pre {
    margin-top: var(--space-1);
    padding: var(--space-2);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.pagination__info {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ==================== Alerts / toasts ==================== */

.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-4);
}
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); }
.alert-info { background: var(--color-info-bg); color: var(--color-info); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); }

.toast-stack {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-width: 320px;
}
.toast-stack .alert {
    box-shadow: var(--shadow-md);
    margin-bottom: 0;
    animation: toast-in 0.18s ease;
}
@keyframes toast-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== Trip list ==================== */

.trip-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.trip-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.trip-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    transition: box-shadow var(--transition), border-color var(--transition);
}
.trip-card:hover { box-shadow: var(--shadow-sm); border-color: var(--color-accent); }
.trip-card > .stack { min-width: 0; }

.trip-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    flex-wrap: wrap;
    min-width: 0;
}

.trip-card__title {
    font-weight: 650;
    font-size: var(--font-size-lg);
    overflow-wrap: anywhere;
    min-width: 0;
}

.trip-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-4);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    min-width: 0;
    overflow-wrap: anywhere;
}

.trip-card__actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-1);
}

.empty-state {
    text-align: center;
    padding: var(--space-8) var(--space-4);
    color: var(--color-text-muted);
}
.empty-state h3 { color: var(--color-text); }

.loading-state {
    text-align: center;
    padding: var(--space-6) var(--space-4);
    color: var(--color-text-muted);
}

/* ==================== Crew list ==================== */

.crew-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.crew-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    flex-wrap: wrap;
}

.crew-row__info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
    flex: 1 1 200px;
}

.crew-row__name { font-weight: 600; overflow-wrap: anywhere; }
.crew-row__detail { font-size: var(--font-size-sm); color: var(--color-text-muted); overflow-wrap: anywhere; }

.crew-status {
    font-size: var(--font-size-sm);
    font-weight: 600;
}
.crew-status--accepted { color: var(--color-success); }
.crew-status--pending { color: var(--color-warning); }

/* ==================== Routes ==================== */

.route-item {
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-2);
}
.route-item__title {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.route-color-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

#route-map, .map-container {
    width: 100%;
    height: 320px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    margin-top: var(--space-3);
    background: var(--color-primary-light);
}

.route-mode-toggle {
    margin-bottom: var(--space-2);
}

.route-draw-map {
    height: 280px;
    cursor: crosshair;
}

.route-draw-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-2);
}

/* ==================== Change log ==================== */

.change-log {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.change-log__item {
    display: flex;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
}
.change-log__time { color: var(--color-text-faint); white-space: nowrap; }
.change-log__text { color: var(--color-text); }

/* ==================== Invite / public pages ==================== */

.invite-summary {
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-bottom: var(--space-5);
}
.invite-summary dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-1) var(--space-3);
    margin: 0;
}
.invite-summary dt { color: var(--color-text-muted); font-size: var(--font-size-sm); min-width: 0; }
.invite-summary dd { margin: 0; font-weight: 600; min-width: 0; overflow-wrap: anywhere; }

/* ==================== Utility ==================== */

.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.stack { display: flex; flex-direction: column; flex-wrap: wrap; gap: var(--space-3); min-width: 0; }
.spinner {
    display: inline-block;
    width: 1em;
    height: 1em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ==================== Blog ==================== */

.blog-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.blog-tag {
    color: var(--color-text-muted);
    background: var(--color-surface-alt, var(--color-border));
    text-transform: none;
    font-weight: 500;
    letter-spacing: normal;
}

.blog-article {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    margin-top: var(--space-4);
}

.blog-article__body {
    margin-top: var(--space-4);
}

.blog-article__body h2,
.blog-article__body h3 {
    margin-top: var(--space-5);
    margin-bottom: var(--space-2);
}

.blog-article__body p {
    margin-bottom: var(--space-3);
}

.blog-article__body ul,
.blog-article__body ol {
    margin: 0 0 var(--space-3);
    padding-left: var(--space-5);
}

.blog-article__body blockquote {
    margin: 0 0 var(--space-3);
    padding: var(--space-2) var(--space-4);
    border-left: 3px solid var(--color-border);
    color: var(--color-text-muted);
}

.blog-article__body code {
    background: var(--color-surface-alt, var(--color-border));
    border-radius: var(--radius-sm);
    padding: 0.1rem 0.35rem;
    font-size: 0.9em;
}

/* ==================== Responsive ==================== */

@media (min-width: 768px) {
    .page { padding: var(--space-6) var(--space-5) var(--space-8); }

    .trip-card {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    .trip-card__actions { margin-top: 0; }
}

@media (min-width: 1200px) {
    .page { padding-top: var(--space-8); }
}