/* Beacon — Clean & Minimal */

/* --- Design tokens --- */
:root {
    --beacon-critical: #dc2626;
    --beacon-high: #ea580c;
    --beacon-medium: #ca8a04;
    --beacon-low: #16a34a;
    --beacon-overdue: #dc2626;
    --beacon-accent: #3b82f6;
    --beacon-subtle: #f8fafc;
    --beacon-border: #e2e8f0;
    --beacon-text-secondary: #64748b;
    --beacon-radius: 6px;
    --beacon-section-gap: 1.5rem;
}

[data-theme="dark"] {
    --beacon-subtle: #1e293b;
    --beacon-border: #334155;
    --beacon-text-secondary: #94a3b8;
}

/* --- Base overrides --- */
body {
    font-size: 15px;
    letter-spacing: -0.01em;
}

h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 0.25rem; }
h2 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.75rem; }
hgroup { margin-bottom: var(--beacon-section-gap); }
hgroup p { color: var(--beacon-text-secondary); font-size: 0.9rem; margin: 0; }

/* --- Navigation --- */
nav.container-fluid {
    border-bottom: 1px solid var(--beacon-border);
    padding: 0.5rem 1.5rem;
}
nav .brand {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}
nav ul {
    gap: 0.15rem;
}
nav ul li a {
    font-size: 0.85rem;
    padding: 0.35rem 0.6rem;
    border-radius: var(--beacon-radius);
    opacity: 0.7;
    transition: opacity 0.15s, background 0.15s;
}
nav ul li a:hover {
    opacity: 1;
    background: var(--beacon-subtle);
}
nav #theme-toggle {
    opacity: 0.5;
    font-size: 0.75rem;
    padding: 0.2em 0.5em;
    border-radius: var(--beacon-radius);
}
nav #theme-toggle:hover { opacity: 0.8; }
nav #workspace-toggle {
    font-size: 0.75rem;
    padding: 0.2em 0.6em;
    border-radius: var(--beacon-radius);
    background: var(--beacon-accent);
    color: #fff;
    opacity: 0.9;
    text-transform: capitalize;
}
nav #workspace-toggle:hover { opacity: 1; }

/* --- Cards / articles --- */
article {
    border: 1px solid var(--beacon-border);
    border-radius: var(--beacon-radius);
    box-shadow: none;
    margin-bottom: var(--beacon-section-gap);
}
article > header {
    border-bottom: 1px solid var(--beacon-border);
    padding: 0.75rem 1rem;
    background: var(--beacon-subtle);
}
article > header strong {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--beacon-text-secondary);
}
article > footer {
    border-top: 1px solid var(--beacon-border);
    padding: 0.5rem 1rem;
    background: var(--beacon-subtle);
}

/* --- Priority badges --- */
.priority-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2em;
    padding: 0.15em 0.45em;
    border-radius: var(--beacon-radius);
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
.priority-1 { background: var(--beacon-critical); }
.priority-2 { background: var(--beacon-high); }
.priority-3 { background: var(--beacon-medium); }
.priority-4 { background: var(--beacon-low); }

/* --- Status badges --- */
.status-badge {
    display: inline-block;
    padding: 0.15em 0.5em;
    border-radius: var(--beacon-radius);
    font-size: 0.7rem;
    font-weight: 600;
    flex-shrink: 0;
}
.status-todo { background: #f1f5f9; color: #475569; }
.status-in_progress { background: #eff6ff; color: #2563eb; }
.status-waiting { background: #fffbeb; color: #b45309; }
.status-done { background: #f0fdf4; color: #15803d; }
.status-cancelled { background: #f8fafc; color: #94a3b8; text-decoration: line-through; }
.status-archived { background: #f8fafc; color: #94a3b8; font-style: italic; }
.status-active { background: #f0fdf4; color: #15803d; }
.status-paused { background: #fffbeb; color: #b45309; }
.status-completed { background: #eff6ff; color: #2563eb; }

[data-theme="dark"] .status-todo { background: #1e293b; color: #cbd5e1; }
[data-theme="dark"] .status-in_progress { background: #172554; color: #93c5fd; }
[data-theme="dark"] .status-waiting { background: #451a03; color: #fcd34d; }
[data-theme="dark"] .status-done { background: #052e16; color: #86efac; }
[data-theme="dark"] .status-cancelled { background: #0f172a; color: #64748b; }
[data-theme="dark"] .status-archived { background: #0f172a; color: #64748b; }
[data-theme="dark"] .status-active { background: #052e16; color: #86efac; }
[data-theme="dark"] .status-paused { background: #451a03; color: #fcd34d; }
[data-theme="dark"] .status-completed { background: #172554; color: #93c5fd; }

/* --- Overdue --- */
.overdue { color: var(--beacon-overdue); font-weight: 600; }

/* --- Tags --- */
.tag {
    display: inline-block;
    padding: 0.1em 0.45em;
    border-radius: var(--beacon-radius);
    font-size: 0.7rem;
    font-weight: 500;
    background: var(--beacon-subtle);
    border: 1px solid var(--beacon-border);
    color: var(--beacon-text-secondary);
    margin-right: 0.2em;
}

/* --- Dashboard stat cards --- */
.stat-card {
    text-align: center;
    padding: 1.25rem 1rem;
    margin: 0 0 var(--beacon-section-gap) 0;
}
.stat-card .number {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
}
.stat-card .label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--beacon-text-secondary);
    margin-top: 0.35rem;
}

/* --- Task rows --- */
.task-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--beacon-border);
    transition: background 0.1s;
}
.task-row:last-child { border-bottom: none; }
.task-row:hover { background: var(--beacon-subtle); margin: 0 -0.5rem; padding-left: 0.5rem; padding-right: 0.5rem; border-radius: var(--beacon-radius); }
.task-row .task-title { flex: 1; min-width: 0; }
.task-row .task-title a {
    text-decoration: none;
    font-weight: 500;
    color: var(--pico-color);
}
.task-row .task-title a:hover { color: var(--beacon-accent); }
.task-row .task-meta {
    display: flex;
    gap: 0.4rem;
    align-items: center;
    font-size: 0.8rem;
    color: var(--beacon-text-secondary);
    flex-shrink: 0;
}

/* --- Buttons --- */
button, [role="button"] {
    border-radius: var(--beacon-radius);
    font-size: 0.85rem;
    font-weight: 500;
}

/* --- Section spacing --- */
section, .section-gap {
    margin-bottom: var(--beacon-section-gap);
}
hr {
    border: none;
    border-top: 1px solid var(--beacon-border);
    margin: var(--beacon-section-gap) 0;
}

/* --- Chat inputs --- */
.chat-input {
    font-size: 0.85rem !important;
    padding: 0.5rem 0.75rem !important;
    margin: 0 !important;
    border: 1px solid var(--beacon-border) !important;
    border-radius: var(--beacon-radius) !important;
    background: var(--pico-background-color) !important;
}
.chat-input:focus {
    border-color: var(--beacon-accent) !important;
    outline: none !important;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15) !important;
}
.chat-input::placeholder {
    color: var(--beacon-text-secondary);
    font-size: 0.85rem;
}

/* --- Chat messages --- */
.chat-message {
    margin: 0;
    padding: 0.75rem 1rem;
    border-radius: var(--beacon-radius);
    border: 1px solid var(--beacon-border);
}
.chat-message.assistant {
    border-left: 3px solid var(--beacon-accent);
}
.chat-message.user {
    border-left: 3px solid var(--beacon-text-secondary);
    margin-left: 1.5rem;
}
.chat-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
    font-size: 0.75rem;
    color: var(--beacon-text-secondary);
}
.chat-meta strong { color: var(--pico-color); }

/* --- Filters --- */
details summary {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--beacon-text-secondary);
    cursor: pointer;
}

/* --- Empty states --- */
.empty-state {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--beacon-text-secondary);
    font-size: 0.9rem;
}

/* --- Footer --- */
footer.container {
    text-align: center;
    padding: 1.5rem 0;
    color: var(--beacon-text-secondary);
    font-size: 0.75rem;
}

/* --- HTMX loading indicator --- */
.htmx-indicator {
    display: none;
    opacity: 0;
    transition: opacity 200ms ease-in;
}
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    display: inline;
    opacity: 1;
}

/* --- Mobile responsive --- */
@media (max-width: 768px) {
    nav.container-fluid {
        flex-direction: column;
        padding: 0.5rem 0.75rem;
    }
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.15rem;
        margin: 0;
        padding: 0;
    }
    nav ul li a {
        font-size: 0.8rem;
        padding: 0.25rem 0.4rem;
    }

    .task-row {
        flex-wrap: wrap;
        gap: 0.35rem;
        padding: 0.5rem 0;
    }
    .task-row .task-title {
        flex-basis: 100%;
        order: -1;
    }
    .task-row .task-meta {
        flex-wrap: wrap;
        font-size: 0.75rem;
    }
    .task-row:hover { margin: 0; padding-left: 0; padding-right: 0; }

    .grid {
        grid-template-columns: 1fr 1fr !important;
    }

    main.container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .chat-message.user { margin-left: 0.75rem; }
}