:root {
    --orbit-navy: #16243d;
    --orbit-navy-soft: #1f3355;
    --orbit-accent: #3d7dd8;
    --orbit-bg: #f4f6fa;
    --orbit-surface: #ffffff;
    --orbit-border: #dfe4ed;
    --orbit-text: #1f2937;
    --orbit-muted: #6b7280;
    --orbit-danger: #c0392b;
    --orbit-warn: #b7791f;
    --orbit-ok: #1e7d52;
}

html {
    font-size: 15px;
    position: relative;
    min-height: 100%;
}

body {
    background-color: var(--orbit-bg);
    color: var(--orbit-text);
    margin-bottom: 60px;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ---------- Navigation ---------- */

.orbit-navbar {
    background-color: var(--orbit-navy);
    box-shadow: 0 1px 4px rgba(16, 24, 40, .18);
}

.orbit-navbar .navbar-brand {
    color: #fff;
    font-weight: 600;
    letter-spacing: .02em;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}

.orbit-mark {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--orbit-accent);
    box-shadow: 0 0 0 3px rgba(61, 125, 216, .25);
    display: inline-block;
}

.orbit-navbar .nav-link,
.orbit-navbar .btn-link {
    color: rgba(255, 255, 255, .78);
    text-decoration: none;
    padding: .4rem .7rem;
    border-radius: 4px;
}

.orbit-navbar .nav-link:hover,
.orbit-navbar .btn-link:hover {
    color: #fff;
    background-color: var(--orbit-navy-soft);
}

.orbit-navbar .dropdown-menu {
    border: 1px solid var(--orbit-border);
    box-shadow: 0 6px 18px rgba(16, 24, 40, .12);
}

.orbit-footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    line-height: 40px;
    font-size: .85rem;
    color: var(--orbit-muted);
    border-top: 1px solid var(--orbit-border);
    background-color: var(--orbit-surface);
}

/* ---------- Layout primitives ---------- */

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.page-header h1 {
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0;
}

.page-header .subtitle {
    color: var(--orbit-muted);
    font-size: .9rem;
    margin-top: .2rem;
}

.card-panel {
    background: var(--orbit-surface);
    border: 1px solid var(--orbit-border);
    border-radius: 8px;
    padding: 1.1rem 1.25rem;
    margin-bottom: 1.25rem;
}

.card-panel > h2,
.card-panel > .panel-title {
    font-size: 1.02rem;
    font-weight: 600;
    margin-bottom: .85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
}

.empty-state {
    color: var(--orbit-muted);
    font-style: italic;
    padding: .5rem 0;
}

/* ---------- Tables ---------- */

.orbit-table {
    width: 100%;
    background: var(--orbit-surface);
    border-collapse: separate;
    border-spacing: 0;
}

.orbit-table th {
    font-size: .74rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--orbit-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--orbit-border);
    padding: .55rem .6rem;
    white-space: nowrap;
}

.orbit-table td {
    padding: .6rem;
    border-bottom: 1px solid #f0f2f6;
    vertical-align: middle;
}

.orbit-table tbody tr:hover {
    background-color: #f8fafc;
}

.task-link {
    color: var(--orbit-text);
    text-decoration: none;
}

.task-link:hover {
    color: var(--orbit-accent);
    text-decoration: underline;
}

/* ---------- Badges ---------- */

.badge {
    font-weight: 600;
    font-size: .7rem;
    letter-spacing: .02em;
    padding: .28em .6em;
    border-radius: 4px;
}

.badge-todo        { background-color: #e5e9f0; color: #3f4a5a; }
.badge-progress    { background-color: #dbeafe; color: #1d4ed8; }
.badge-blocked     { background-color: #fee2e2; color: #b91c1c; }
.badge-done        { background-color: #dcfce7; color: #15803d; }
.badge-cancelled   { background-color: #e5e7eb; color: #6b7280; }

.badge-low         { background-color: #f1f5f9; color: #64748b; }
.badge-medium      { background-color: #e0f2fe; color: #0369a1; }
.badge-high        { background-color: #ffedd5; color: #c2410c; }
.badge-critical    { background-color: #fee2e2; color: #b91c1c; }

.badge-api         { background-color: #ede9fe; color: #6d28d9; }
.badge-recurring   { background-color: #ecfeff; color: #0e7490; }
.badge-admin       { background-color: var(--orbit-accent); color: #fff; }

.project-tag,
.sprint-tag {
    font-size: .78rem;
    color: var(--orbit-muted);
    text-decoration: none;
}

.project-tag:hover {
    color: var(--orbit-accent);
}

.due-overdue { color: var(--orbit-danger); font-weight: 600; }
.due-soon    { color: var(--orbit-warn); font-weight: 600; }

/* ---------- Dashboard ---------- */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: .9rem;
    margin-bottom: 1.25rem;
}

.stat-tile {
    background: var(--orbit-surface);
    border: 1px solid var(--orbit-border);
    border-left: 4px solid var(--orbit-accent);
    border-radius: 8px;
    padding: .85rem 1rem;
}

.stat-tile .stat-value {
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.1;
}

.stat-tile .stat-label {
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--orbit-muted);
}

.stat-tile.tile-blocked  { border-left-color: #ef4444; }
.stat-tile.tile-progress { border-left-color: #3b82f6; }
.stat-tile.tile-todo     { border-left-color: #94a3b8; }
.stat-tile.tile-overdue  { border-left-color: #f59e0b; }

.progress-slim {
    height: 6px;
    background-color: #eef1f6;
    border-radius: 3px;
    overflow: hidden;
}

.progress-slim > span {
    display: block;
    height: 100%;
    background-color: var(--orbit-ok);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.25rem;
    align-items: start;
}

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

.mini-list li {
    padding: .45rem 0;
    border-bottom: 1px solid #f0f2f6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .75rem;
}

.mini-list li:last-child {
    border-bottom: none;
}

/* ---------- Sprint board ---------- */

.board {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    align-items: start;
}

.board-column {
    background: #eef1f6;
    border-radius: 8px;
    padding: .7rem;
    min-height: 120px;
}

.board-column h3 {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--orbit-muted);
    display: flex;
    justify-content: space-between;
    margin-bottom: .6rem;
}

.board-card {
    background: var(--orbit-surface);
    border: 1px solid var(--orbit-border);
    border-radius: 6px;
    padding: .6rem .7rem;
    margin-bottom: .6rem;
    box-shadow: 0 1px 2px rgba(16, 24, 40, .05);
}

.board-card .title {
    font-weight: 500;
    font-size: .9rem;
    display: block;
    color: var(--orbit-text);
    text-decoration: none;
}

.board-card .title:hover {
    color: var(--orbit-accent);
}

.board-card .meta {
    margin-top: .4rem;
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    align-items: center;
    font-size: .75rem;
    color: var(--orbit-muted);
}

/* ---------- Filters & forms ---------- */

.filter-bar {
    background: var(--orbit-surface);
    border: 1px solid var(--orbit-border);
    border-radius: 8px;
    padding: .85rem 1rem;
    margin-bottom: 1.25rem;
}

.filter-bar label {
    font-size: .74rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--orbit-muted);
    font-weight: 600;
    margin-bottom: .2rem;
}

.form-label {
    font-weight: 500;
    font-size: .88rem;
}

.form-narrow {
    max-width: 760px;
}

.btn-primary {
    background-color: var(--orbit-accent);
    border-color: var(--orbit-accent);
}

.btn-primary:hover {
    background-color: #326ec2;
    border-color: #326ec2;
}

/* ---------- Comments & timeline ---------- */

.comment {
    border-left: 3px solid var(--orbit-border);
    padding: .1rem 0 .1rem .8rem;
    margin-bottom: 1rem;
}

.comment.comment-api {
    border-left-color: #a78bfa;
    background-color: #faf8ff;
    padding: .5rem .8rem;
    border-radius: 0 6px 6px 0;
}

.comment .comment-head {
    font-size: .82rem;
    color: var(--orbit-muted);
    margin-bottom: .2rem;
}

.comment .comment-body {
    white-space: pre-wrap;
}

.detail-list {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: .45rem 1.25rem;
    font-size: .92rem;
}

.detail-list dt {
    color: var(--orbit-muted);
    font-weight: 500;
}

.detail-list dd {
    margin: 0;
}

.api-key-reveal {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: .85rem;
    background: #f8fafc;
    border: 1px dashed var(--orbit-accent);
    border-radius: 6px;
    padding: .7rem .85rem;
    word-break: break-all;
}

.text-muted {
    color: var(--orbit-muted) !important;
}