/* Glass theme layer. Loaded after styles.css: remove its <link> to get the classic look back. */

@font-face {
    font-family: "Inter";
    src: url("fonts/inter-latin-wght-normal.woff2") format("woff2");
    font-weight: 100 900;
    font-display: swap;
}

:root,
html[data-theme="dark"] {
    color-scheme: dark;
    --bg: #070e1c;
    --surface: rgba(14, 24, 42, 0.55);
    --surface-solid: #0e182a;
    --surface-strong: rgba(22, 36, 62, 0.62);
    --surface-soft: rgba(34, 52, 84, 0.45);
    --surface-elevated: rgba(60, 86, 130, 0.4);
    --border: rgba(140, 180, 255, 0.16);
    --border-strong: rgba(140, 180, 255, 0.32);
    --text: #eef4ff;
    --text-soft: #d6e1f5;
    --text-muted: #9fb3d3;
    --primary: #7ab6ff;
    --primary-strong: #5a9bf5;
    --primary-end: #8b9dff;
    --on-primary: #07101f;
    --success: #34c38f;
    --warning: #f7b84b;
    --danger: #f46a6a;
    --critical: #f46a6a;
    --high: #ff9252;
    --medium: #f7b84b;
    --low: #34c38f;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
    --overlay: rgba(3, 8, 18, 0.6);
    --modal-bg: rgba(14, 24, 42, 0.92);
    --blur: 18px;
}

html[data-theme="light"] {
    color-scheme: light;
    --bg: #e8f0fb;
    --surface: rgba(255, 255, 255, 0.6);
    --surface-solid: #f5f8fd;
    --surface-strong: rgba(255, 255, 255, 0.72);
    --surface-soft: rgba(255, 255, 255, 0.55);
    --surface-elevated: rgba(205, 222, 248, 0.7);
    --border: rgba(60, 100, 170, 0.18);
    --border-strong: rgba(60, 100, 170, 0.34);
    --text: #0f1f3a;
    --text-soft: #1d2f52;
    --text-muted: #4a5f82;
    --primary: #2563eb;
    --primary-strong: #1d4fd0;
    --primary-end: #6d7cf5;
    --on-primary: #ffffff;
    --success: #12875f;
    --warning: #b7791f;
    --danger: #d03a3a;
    --critical: #d03a3a;
    --high: #d9692a;
    --medium: #b7791f;
    --low: #12875f;
    --shadow: 0 20px 50px rgba(30, 60, 120, 0.18);
    --card-shadow: 0 8px 24px rgba(30, 60, 120, 0.12);
    --overlay: rgba(20, 40, 80, 0.35);
    --modal-bg: rgba(255, 255, 255, 0.94);
}

body {
    font-family: "Inter", "Segoe UI", system-ui, sans-serif;
    color: var(--text);
    background:
        radial-gradient(800px 500px at 8% -5%, rgba(90, 155, 245, 0.35), transparent 60%),
        radial-gradient(700px 500px at 95% 10%, rgba(139, 157, 255, 0.28), transparent 60%),
        radial-gradient(900px 600px at 50% 110%, rgba(52, 195, 143, 0.18), transparent 60%),
        var(--bg);
    background-attachment: fixed;
}

html[data-theme="light"] body {
    background:
        radial-gradient(800px 500px at 8% -5%, rgba(96, 165, 250, 0.45), transparent 60%),
        radial-gradient(700px 500px at 95% 10%, rgba(167, 139, 250, 0.3), transparent 60%),
        radial-gradient(900px 600px at 50% 110%, rgba(45, 212, 191, 0.25), transparent 60%),
        var(--bg);
    background-attachment: fixed;
}

.container {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
    backdrop-filter: blur(var(--blur)) saturate(140%);
}

@supports not (backdrop-filter: blur(1px)) {
    .container { background: var(--surface-solid); }
}

/* Top bar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 28px;
    text-align: left;
    color: var(--text);
    background: transparent;
    border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.brand-mark {
    display: grid;
    place-items: center;
    flex: none;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-strong), var(--primary-end));
    box-shadow: 0 6px 18px rgba(90, 155, 245, 0.35);
}

.brand-mark svg, .nav-link svg, .theme-toggle svg { width: 20px; height: 20px; }

.topbar h1 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar-actions { display: flex; align-items: center; gap: 12px; }

.main-nav {
    margin: 0;
    background: var(--surface-soft);
    border: 1px solid var(--border);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    color: var(--text-muted);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover { background: var(--surface-elevated); color: var(--text); }

.nav-link.is-active {
    color: var(--on-primary);
    background: linear-gradient(135deg, var(--primary), var(--primary-end));
}

.theme-toggle {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    color: var(--text);
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.theme-toggle:hover { background: var(--surface-elevated); transform: rotate(15deg); }
html[data-theme="dark"] .icon-moon { display: none; }
html[data-theme="light"] .icon-sun { display: none; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Stats and progress */
.stats-bar { background: transparent; border-bottom: 0; padding: 24px 30px 8px; }

.stat-card {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--card-shadow);
    text-align: left;
    transition: transform 0.2s ease;
}

.stat-card:hover { transform: translateY(-2px); }
.stat-number { font-size: 2.1rem; letter-spacing: -0.02em; color: var(--primary); }

.progress-section, .progress-top {
    background: transparent;
    border: 0;
    padding: 8px 30px 18px;
}

.progress-section h2 { font-size: 1rem; color: var(--text-muted); font-weight: 600; }

.progress-bar-container {
    height: 12px;
    margin-right: 64px;
    overflow: visible;
    background: var(--surface-elevated);
    border: 0;
    border-radius: 999px;
}

.progress-bar {
    border-radius: 999px;
    background: linear-gradient(90deg, var(--primary-strong), var(--primary-end));
    box-shadow: 0 0 14px rgba(90, 155, 245, 0.5);
}

.progress-label {
    inset: auto;
    top: 50%;
    right: -60px;
    width: 52px;
    justify-content: flex-start;
    color: var(--text);
    text-shadow: none;
    transform: translateY(-50%);
}

.legend { background: var(--surface-soft); border: 1px solid var(--border); border-radius: 12px; }

/* Controls and forms */
.controls { background: transparent; border-bottom: 1px solid var(--border); }

select, input[type="text"], input[type="date"], textarea {
    color: var(--text);
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
}

input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: 0.8; }

select:focus, input:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 25%, transparent);
}

.btn { border-radius: 12px; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-end)); color: var(--on-primary); }
.btn:not(.btn-primary):not(.btn-success):not(.btn-warning):not(.btn-danger) {
    color: var(--text);
    background: var(--surface-soft);
    border: 1px solid var(--border);
}

.empty-state { background: var(--surface-soft); border-color: var(--border-strong); border-radius: 16px; }

/* Toast */
.toast {
    color: var(--text);
    background: var(--surface-solid);
    border-radius: 14px;
    box-shadow: var(--shadow);
}

.toast.is-error { background: color-mix(in srgb, var(--danger) 16%, var(--surface-solid)); border-color: var(--danger); }
.toast.is-success { background: color-mix(in srgb, var(--success) 16%, var(--surface-solid)); border-color: var(--success); }

/* Phases and task cards */
.phase-header { border-bottom: 1px solid var(--border); }
.phase-title { font-size: 1.25rem; letter-spacing: -0.01em; }

.phase-badge, .meta-tag, .card-status-select {
    background: color-mix(in srgb, var(--chip, var(--primary)) 16%, transparent);
    color: color-mix(in srgb, var(--chip, var(--primary)) 72%, var(--text));
}

.badge-pre { --chip: var(--primary); }
.badge-tday { --chip: var(--warning); }
.badge-post { --chip: var(--success); }
.tag-owner { --chip: var(--primary); }
.tag-category { --chip: var(--text-muted); }
.tag-priority-critical { --chip: var(--critical); }
.tag-priority-high { --chip: var(--high); }
.tag-priority-medium { --chip: var(--medium); }
.tag-priority-low { --chip: var(--low); }

.task-card {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-left: 4px solid var(--border-strong);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}

.task-card:hover { box-shadow: var(--shadow); }
.task-card.completed { opacity: 0.75; }
.task-card.critical { border-left-color: var(--critical); }
.task-card.high { border-left-color: var(--high); }
.task-card.medium { border-left-color: var(--medium); }
.task-card.low { border-left-color: var(--low); }
.task-title { letter-spacing: -0.01em; }
.task-id { background: var(--surface-elevated); color: var(--text-muted); }
.task-description { color: var(--text-soft); }
.task-card-hint { color: var(--text-muted); opacity: 0.8; }

.card-status-select {
    padding: 4px 10px;
    font-weight: 600;
    border: 1px solid color-mix(in srgb, var(--chip, var(--primary)) 40%, transparent);
    border-radius: 999px;
}

.card-status-select[data-status="Not Started"] { --chip: var(--text-muted); }
.card-status-select[data-status="In Progress"] { --chip: var(--primary); }
.card-status-select[data-status="Completed"] { --chip: var(--success); }
.card-status-select[data-status="Blocked"] { --chip: var(--danger); }

/* View toggle and Kanban */
.view-toggle, .seg-toggle { background: var(--surface-soft); border: 1px solid var(--border); }
.view-toggle { display: inline-flex; padding: 3px; border-radius: 999px; align-self: end; }

.view-btn, .seg-btn {
    padding: 8px 16px;
    color: var(--text-muted);
    font-weight: 600;
    background: none;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
}

.seg-btn { padding: 4px 14px; }
.view-btn.is-active, .seg-btn.is-active { color: var(--on-primary); background: linear-gradient(135deg, var(--primary), var(--primary-end)); }

.kanban { display: grid; grid-template-columns: repeat(4, minmax(250px, 1fr)); gap: 16px; overflow-x: auto; padding-bottom: 8px; }

.kanban-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 220px;
    padding: 12px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 18px;
}

.kanban-col.drag-over { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 12%, var(--surface-soft)); }
.kanban-col-head { display: flex; align-items: center; justify-content: space-between; padding: 2px 4px; font-weight: 700; }
.kanban-col-head span:last-child { color: var(--text-muted); font-weight: 600; }
.kanban-col-title::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 8px; border-radius: 50%; background: var(--chip, var(--primary)); }
.kanban-col[data-status="Not Started"] { --chip: var(--text-muted); }
.kanban-col[data-status="In Progress"] { --chip: var(--primary); }
.kanban-col[data-status="Completed"] { --chip: var(--success); }
.kanban-col[data-status="Blocked"] { --chip: var(--danger); }
.kanban .task-card { cursor: grab; padding: 14px; }
.kanban .task-card.dragging { opacity: 0.4; }
.kanban .task-card-hint, .kanban .task-description { display: none; }

/* Modal */
.modal-overlay { background: var(--overlay); }

.modal {
    color: var(--text);
    background: var(--modal-bg);
    border: 1px solid var(--border-strong);
    border-radius: 22px;
    -webkit-backdrop-filter: blur(var(--blur));
    backdrop-filter: blur(var(--blur));
}

.notes-panel { background: var(--surface-soft); border: 1px solid var(--border); border-radius: 16px; }
.note-item { background: var(--surface-strong); border: 1px solid var(--border); border-radius: 12px; }

/* KPI page */
.kpi-card {
    position: relative;
    text-align: left;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease;
}

.kpi-card:hover { transform: translateY(-2px); }

.kpi-icon {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    margin-bottom: 12px;
    color: var(--tone, var(--primary));
    background: color-mix(in srgb, var(--tone, var(--primary)) 16%, transparent);
    border-radius: 12px;
}

.kpi-icon svg { width: 20px; height: 20px; }
.kpi-card.is-danger { --tone: var(--danger); }
.kpi-card.is-warning { --tone: var(--warning); }
.kpi-card.is-ok { --tone: var(--success); }
.kpi-value { font-size: 2.1rem; letter-spacing: -0.02em; }

.kpi-panel {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--card-shadow);
}

.kpi-list li { background: var(--surface-soft); border: 1px solid var(--border); }

.donut-track { fill: none; stroke: var(--surface-elevated); stroke-width: 16; }
.donut-total { fill: var(--text); font-size: 20px; font-weight: 700; }

.hbar-track { height: 12px; background: var(--surface-elevated); border-radius: 999px; }
.hbar-seg { transform-origin: left; animation: bar-grow 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.seg-done { background: linear-gradient(90deg, var(--success), color-mix(in srgb, var(--success) 70%, #fff)); }
.seg-open { background: color-mix(in srgb, var(--text-muted) 45%, transparent); }

@keyframes bar-grow { from { transform: scaleX(0); } }

@media (max-width: 768px) {
    .topbar { flex-wrap: wrap; padding: 14px 16px; }
    .topbar h1 { white-space: normal; }
    .kanban { grid-template-columns: repeat(4, 260px); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}