/* ============================================================================
   Workspace — Style
   Mobile-first, responsive. Light + dark mode.
============================================================================ */

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

:root {
    --bg: #ffffff;
    --bg-secondary: #f7f6f3;
    --bg-tertiary: #efeee8;
    --text: #1a1a1a;
    --text-secondary: #6b6b6b;
    --text-tertiary: #9b9b9b;
    --border: rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.16);
    --accent: #2383e2;
    --accent-bg: #e6f1fb;

    --success: #3B6D11;
    --success-bg: #EAF3DE;
    --warning: #854F0B;
    --warning-bg: #FAEEDA;
    --danger: #A32D2D;
    --danger-bg: #FCEBEB;
    --gray: #5F5E5A;
    --gray-bg: #F1EFE8;

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #191919;
        --bg-secondary: #232323;
        --bg-tertiary: #2a2a2a;
        --text: #e6e6e6;
        --text-secondary: #a0a0a0;
        --text-tertiary: #707070;
        --border: rgba(255, 255, 255, 0.08);
        --border-strong: rgba(255, 255, 255, 0.16);
        --accent: #4c9ef0;
        --accent-bg: #1a3a5c;

        --success: #C0DD97;
        --success-bg: #27500A;
        --warning: #FAC775;
        --warning-bg: #633806;
        --danger: #F09595;
        --danger-bg: #791F1F;
        --gray: #B4B2A9;
        --gray-bg: #444441;
    }
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:active { opacity: 0.7; }

h1 { font-size: 22px; font-weight: 500; margin: 0 0 4px; }
h2 { font-size: 17px; font-weight: 500; margin: 0; display: flex; align-items: center; gap: 6px; }
h3 { font-size: 15px; font-weight: 500; margin: 0; }
h2 i { color: var(--text-secondary); }

p { margin: 0; }
.muted { color: var(--text-secondary); font-size: 13px; }

/* --- Topbar (mobile-first) --------------------------------------------- */

.topbar {
    border-bottom: 0.5px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 10;
    padding-top: var(--safe-top);
    padding-left: var(--safe-left);
    padding-right: var(--safe-right);
}
.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.brand {
    font-weight: 500;
    font-size: 15px;
    color: var(--text);
    flex-shrink: 0;
}
.brand:hover { text-decoration: none; color: var(--text); }

.search {
    flex: 1 1 100%;
    order: 3;
    position: relative;
    display: flex;
    align-items: center;
    min-width: 0;
}
.search i {
    position: absolute;
    left: 12px;
    color: var(--text-tertiary);
    font-size: 18px;
    pointer-events: none;
}
.search input {
    width: 100%;
    height: 40px;
    padding: 0 12px 0 38px;
    background: var(--bg-secondary);
    border: 0.5px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text);
    font-size: 15px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}
.search input:focus {
    border-color: var(--accent);
    background: var(--bg);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    flex-shrink: 0;
}
.user-chip {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 10px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (min-width: 700px) {
    .topbar-inner {
        padding: 10px 24px;
        flex-wrap: nowrap;
        gap: 16px;
    }
    .search {
        flex: 1;
        order: 0;
        max-width: 480px;
    }
    .search input { height: 32px; font-size: 13px; }
    .topbar-actions { gap: 8px; }
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px;
    padding-left: max(16px, var(--safe-left));
    padding-right: max(16px, var(--safe-right));
    padding-bottom: max(32px, var(--safe-bottom));
    display: flex;
    flex-direction: column;
    gap: 24px;
}
@media (min-width: 700px) {
    .container { padding: 24px; gap: 28px; }
}

.breadcrumb {
    margin-bottom: -8px;
    font-size: 14px;
}
.breadcrumb a { color: var(--text-secondary); display: inline-flex; align-items: center; gap: 4px; padding: 4px 0; }
.breadcrumb a:hover { color: var(--text); text-decoration: none; }

.dashboard-head { display: flex; justify-content: space-between; align-items: baseline; }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
@media (min-width: 900px) {
    .grid-2 { grid-template-columns: 1.3fr 1fr; }
}

/* --- Stats -------------------------------------------------------------- */

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
@media (min-width: 700px) {
    .stats { grid-template-columns: repeat(4, 1fr); gap: 12px; }
}
.stat {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 14px 16px;
}
.stat-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.stat-value { font-size: 24px; font-weight: 500; }

/* --- Projects ----------------------------------------------------------- */

.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}
@media (min-width: 600px) {
    .project-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
@media (min-width: 1000px) {
    .project-grid { grid-template-columns: repeat(3, 1fr); }
}

.project-card {
    background: var(--bg);
    border: 0.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    color: var(--text);
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: border-color 120ms, background 120ms, transform 120ms;
    min-height: 88px;
}
.project-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-secondary);
    text-decoration: none;
}
.project-card:active { transform: scale(0.99); }
.project-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.project-card-name { font-weight: 500; font-size: 15px; }
.project-card-sub { font-size: 12px; color: var(--text-secondary); font-family: ui-monospace, "SF Mono", monospace; word-break: break-all; }
.project-card-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.project-card-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
    flex-wrap: wrap;
}
.project-card-meta i { font-size: 13px; vertical-align: -1px; }

/* Project detail */
.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 0.5px solid var(--border);
    flex-wrap: wrap;
}
.project-title-row { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; flex-wrap: wrap; }
.project-meta { font-size: 13px; color: var(--text-secondary); display: flex; flex-wrap: wrap; gap: 10px 14px; }
.project-meta i { font-size: 14px; vertical-align: -1px; margin-right: 2px; }
.project-meta span { word-break: break-all; }
.project-desc { margin-top: 10px; color: var(--text-secondary); }
.project-actions { display: flex; gap: 6px; flex-shrink: 0; flex-wrap: wrap; }

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

.badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: var(--radius-md);
    font-weight: 500;
    white-space: nowrap;
    display: inline-block;
    flex-shrink: 0;
}
.badge-live { background: var(--success-bg); color: var(--success); }
.badge-in_progress { background: var(--warning-bg); color: var(--warning); }
.badge-archived { background: var(--gray-bg); color: var(--gray); }

.badge-prio-high { background: var(--danger-bg); color: var(--danger); }
.badge-prio-medium { background: var(--warning-bg); color: var(--warning); }
.badge-prio-low { background: var(--gray-bg); color: var(--gray); }

.badge-version { background: var(--accent-bg); color: var(--accent); font-family: ui-monospace, monospace; }

/* --- Cards / lists ------------------------------------------------------ */

.card {
    background: var(--bg);
    border: 0.5px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.card.list > * + * { border-top: 0.5px solid var(--border); }
.empty {
    padding: 20px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 13px;
}

/* Tasks */
.task-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    min-height: 56px;
}
.task-row input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin: 0;
    flex-shrink: 0;
    accent-color: var(--accent);
    cursor: pointer;
}
.task-body { flex: 1; min-width: 0; }
.task-title { font-size: 14px; word-break: break-word; }
.task-meta { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }
.task-done .task-title { text-decoration: line-through; color: var(--text-tertiary); }

/* Notes */
.notes-list { display: flex; flex-direction: column; gap: 8px; }
.note-card {
    background: var(--bg);
    border: 0.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    cursor: pointer;
    transition: background 120ms, border-color 120ms, transform 120ms;
    min-height: 48px;
}
.note-card:hover { background: var(--bg-secondary); border-color: var(--border-strong); }
.note-card:active { transform: scale(0.99); }
.note-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.note-title { font-size: 14px; font-weight: 500; word-break: break-word; }
.note-content { font-size: 13px; color: var(--text-secondary); margin-top: 4px; line-height: 1.5; word-break: break-word; }
.note-meta { font-size: 11px; color: var(--text-tertiary); margin-top: 4px; }

/* Changelog */
.changelog-row {
    display: flex;
    gap: 10px;
    padding: 12px 14px;
    align-items: flex-start;
    flex-wrap: wrap;
}
.changelog-row.border-bottom { border-bottom: 0.5px solid var(--border); }
.changelog-date {
    font-family: ui-monospace, "SF Mono", monospace;
    font-size: 12px;
    color: var(--text-secondary);
    min-width: 70px;
    flex-shrink: 0;
    padding-top: 2px;
}
.changelog-desc { font-size: 13px; flex: 1; line-height: 1.5; min-width: 200px; word-break: break-word; }

/* Search results */
.search-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px;
    color: var(--text);
    font-size: 14px;
    min-height: 48px;
}
.search-row:hover { background: var(--bg-secondary); text-decoration: none; }
.search-row i { color: var(--text-secondary); }

/* --- Buttons ------------------------------------------------------------ */

.btn-primary, .btn-secondary, .btn-ghost, .btn-icon, .btn-danger-ghost {
    font-family: inherit;
    font-size: 14px;
    padding: 8px 14px;
    min-height: 38px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 120ms, border-color 120ms, transform 120ms;
    line-height: 1;
    -webkit-appearance: none;
    appearance: none;
}
.btn-primary:active, .btn-secondary:active, .btn-ghost:active, .btn-icon:active, .btn-danger-ghost:active {
    transform: scale(0.97);
}
.btn-primary {
    background: var(--accent);
    color: white;
    border: 0.5px solid var(--accent);
}
.btn-primary:hover { filter: brightness(0.95); }
.btn-secondary, .btn-ghost {
    background: transparent;
    border: 0.5px solid var(--border-strong);
    color: var(--text);
}
.btn-ghost { border-color: transparent; color: var(--text-secondary); }
.btn-secondary:hover, .btn-ghost:hover { background: var(--bg-secondary); border-color: var(--border-strong); }
.btn-icon {
    background: transparent;
    border: 0.5px solid transparent;
    color: var(--text-secondary);
    padding: 8px;
    min-width: 38px;
}
.btn-icon:hover { background: var(--bg-secondary); color: var(--text); }
.btn-icon i { font-size: 18px; }
.btn-danger-ghost {
    background: transparent;
    border: 0.5px solid transparent;
    color: var(--text-secondary);
}
.btn-danger-ghost:hover { background: var(--danger-bg); color: var(--danger); border-color: transparent; }

.btn-row-action {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    padding: 8px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: opacity 120ms, color 120ms, background 120ms;
    line-height: 1;
    min-width: 32px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.task-row:hover .btn-row-action,
.note-card:hover .btn-row-action,
.changelog-row:hover .btn-row-action { opacity: 1; }
.btn-row-action:hover { background: var(--danger-bg); color: var(--danger); }
.btn-row-action i { font-size: 16px; }

/* On touch devices, always show action buttons (no hover) */
@media (hover: none) {
    .btn-row-action { opacity: 0.5; }
    .btn-row-action:active { opacity: 1; }
}

/* --- Modals ------------------------------------------------------------- */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 100;
    align-items: flex-end;
    justify-content: center;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.modal.open { display: flex; }
.modal-inner {
    background: var(--bg);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    width: 100%;
    max-width: 480px;
    padding: 20px 20px calc(20px + var(--safe-bottom));
    border: 0.5px solid var(--border);
    max-height: 90vh;
    overflow-y: auto;
    animation: slide-up 200ms ease-out;
}
@keyframes slide-up {
    from { transform: translateY(100%); }
    to   { transform: translateY(0); }
}
@media (min-width: 700px) {
    .modal {
        align-items: flex-start;
        padding: 80px 20px 20px;
    }
    .modal-inner {
        border-radius: var(--radius-lg);
        padding: 20px 24px;
        animation: fade-in 150ms ease-out;
    }
    @keyframes fade-in {
        from { opacity: 0; transform: translateY(-10px); }
        to   { opacity: 1; transform: translateY(0); }
    }
}
.modal-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.modal form label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 14px;
}
.modal input[type="text"],
.modal input[type="password"],
.modal input[type="date"],
.modal select,
.modal textarea {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 0.5px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-family: inherit;
    font-size: 16px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    min-height: 44px;
}
.modal select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}
.modal input:focus, .modal select:focus, .modal textarea:focus {
    border-color: var(--accent);
    background: var(--bg);
}
.modal textarea { resize: vertical; min-height: 80px; font-family: inherit; }
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 8px;
}
.modal-actions button { min-height: 44px; padding: 10px 18px; flex: 1; }
@media (min-width: 700px) {
    .modal-actions button { flex: initial; }
}

/* --- Auth pages --------------------------------------------------------- */

.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--bg-secondary);
    padding: 16px;
    padding-top: max(16px, var(--safe-top));
    padding-bottom: max(16px, var(--safe-bottom));
}
.auth-card {
    background: var(--bg);
    border: 0.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    width: 100%;
    max-width: 380px;
}
.auth-card h1 { margin-bottom: 6px; }
.auth-sub { color: var(--text-secondary); font-size: 14px; margin-bottom: 20px; }
.auth-card label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 14px;
}
.auth-card input {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 0.5px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-family: inherit;
    font-size: 16px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    min-height: 44px;
}
.auth-card input:focus { border-color: var(--accent); background: var(--bg); }
.auth-card button {
    width: 100%;
    padding: 12px;
    margin-top: 8px;
    font-size: 15px;
    justify-content: center;
    min-height: 48px;
}
.auth-error {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 10px 12px;
    border-radius: var(--radius-md);
    font-size: 13px;
    margin-bottom: 14px;
}