/* ============================================================
   PEACOX HELPING HANDS — Shared Design System
   Vanilla CSS. No frameworks.
   Role accents: body[data-role="student" | "mentor" | "pm"]
   ============================================================ */

:root {
    /* Brand */
    --peacox-purple: #5A2E8E;
    --peacox-purple-dark: #46226F;
    --peacox-purple-soft: #F4EEFB;
    --peacox-purple-border: #E3D5F5;
    --peacox-teal: #008080;
    --peacox-teal-dark: #066666;
    --peacox-teal-soft: #E9F7F5;
    --peacox-teal-border: #C4E9E3;

    /* Neutrals (slate) */
    --bg-color: #F6F7FB;
    --card-bg: #FFFFFF;
    --text-main: #17203A;
    --text-soft: #45507A;
    --text-muted: #6B7492;
    --text-faint: #9AA2BC;
    --border-color: #E6E8F0;
    --border-strong: #D5D9E6;
    --hover-bg: #F2F3F9;

    /* Status */
    --ok: #0E9F6E;      --ok-soft: #E7F8F1;      --ok-border: #BCEBD8;
    --warn: #D97706;    --warn-soft: #FEF3E2;    --warn-border: #FBDDB0;
    --danger: #DC2626;  --danger-soft: #FDEDED;  --danger-border: #F8CACA;
    --info: #2563EB;    --info-soft: #EBF1FE;    --info-border: #C6D8FB;

    /* Effects */
    --glass-bg: rgba(255, 255, 255, 0.82);
    --shadow-xs: 0 1px 2px rgba(23, 32, 58, 0.05);
    --shadow-sm: 0 2px 8px -2px rgba(23, 32, 58, 0.08);
    --shadow-md: 0 8px 24px -6px rgba(23, 32, 58, 0.14);
    --shadow-lg: 0 24px 60px -12px rgba(23, 32, 58, 0.25);
    --ring: 0 0 0 3px rgba(90, 46, 142, 0.18);

    /* Shape & rhythm */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --header-h: 76px;

    /* Default accent = purple */
    --accent: var(--peacox-purple);
    --accent-dark: var(--peacox-purple-dark);
    --accent-soft: var(--peacox-purple-soft);
    --accent-border: var(--peacox-purple-border);
    --accent-contrast: #FFFFFF;
}

body[data-role="mentor"] {
    --accent: var(--peacox-teal);
    --accent-dark: var(--peacox-teal-dark);
    --accent-soft: var(--peacox-teal-soft);
    --accent-border: var(--peacox-teal-border);
    --ring: 0 0 0 3px rgba(0, 128, 128, 0.18);
}

/* ---------- Reset & base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 100% 0%, rgba(90, 46, 142, 0.045), transparent 480px),
        radial-gradient(circle at 0% 100%, rgba(0, 128, 128, 0.045), transparent 480px);
    /* NOTE: no background-attachment:fixed — it stalls Chromium's compositor
       when combined with backdrop-filter on sticky elements. */
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.45;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }
img, svg { display: block; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CDD2E1; border-radius: 99px; border: 2px solid var(--bg-color); }
::-webkit-scrollbar-thumb:hover { background: #B4BACF; }

/* ---------- Motion ---------- */
@keyframes fadeUp   { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn   { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn    { from { opacity: 0; transform: scale(0.96) translateY(8px); } to { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes slideIn  { from { transform: translateX(-100%); } to { transform: translateX(0); } }
@keyframes toastIn  { from { opacity: 0; transform: translateY(10px) scale(0.97); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes pulse    { 0% { box-shadow: 0 0 0 0 rgba(14,159,110,.45); } 70% { box-shadow: 0 0 0 6px rgba(14,159,110,0); } 100% { box-shadow: 0 0 0 0 rgba(14,159,110,0); } }
@keyframes shimmer  { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

.stagger-1 { animation: fadeUp .5s cubic-bezier(.16,1,.3,1) .05s both; }
.stagger-2 { animation: fadeUp .5s cubic-bezier(.16,1,.3,1) .12s both; }
.stagger-3 { animation: fadeUp .5s cubic-bezier(.16,1,.3,1) .19s both; }
.stagger-4 { animation: fadeUp .5s cubic-bezier(.16,1,.3,1) .26s both; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

.skeleton {
    background: linear-gradient(90deg, #EEF0F6 25%, #E2E5EF 50%, #EEF0F6 75%);
    background-size: 400% 100%;
    animation: shimmer 1.4s ease-in-out infinite;
    border-radius: 6px;
    color: transparent !important;
    border-color: transparent !important;
    user-select: none;
}
.skeleton * { visibility: hidden; }

/* ---------- Header ---------- */
.app-header {
    position: sticky; top: 0; z-index: 100;
    display: flex; justify-content: space-between; align-items: center; gap: 1rem;
    min-height: var(--header-h);
    padding: 0.75rem clamp(1rem, 2.5vw, 2rem);
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
}
.header-profile { display: flex; align-items: center; gap: 1rem; min-width: 0; }
.header-info { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.header-info h1 { font-size: 1.1rem; font-weight: 800; letter-spacing: -0.015em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.header-sub { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
.header-tags { display: flex; gap: 0.5rem; margin-top: 0.35rem; flex-wrap: wrap; }
.header-actions { display: flex; gap: 0.6rem; align-items: center; flex-shrink: 0; }
@media (max-width: 640px) {
    .app-header { flex-wrap: wrap; padding-bottom: 0.75rem; }
    .header-actions { width: 100%; }
    .header-actions .btn { flex: 1; }
}

.avatar-wrapper { position: relative; cursor: pointer; transition: transform .18s; flex-shrink: 0; }
.avatar-wrapper:hover { transform: scale(1.04); }
.avatar {
    width: 3.25rem; height: 3.25rem; border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff; display: flex; justify-content: center; align-items: center;
    font-weight: 800; font-size: 1.15rem; letter-spacing: 0.02em;
    background-size: cover; background-position: center;
    border: 2px solid #fff; box-shadow: var(--shadow-sm);
}
.upload-badge {
    position: absolute; bottom: -5px; right: -5px;
    width: 1.35rem; height: 1.35rem; border-radius: 50%;
    background: var(--text-main); color: #fff;
    display: flex; align-items: center; justify-content: center;
    border: 2px solid #fff; cursor: pointer; transition: background .18s;
}
.upload-badge:hover { background: var(--accent); }

/* ---------- Tags / chips / badges ---------- */
.tag {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.22rem 0.6rem; border-radius: 99px;
    font-size: 0.7rem; font-weight: 700; border: 1px solid; white-space: nowrap;
}
.tag-info    { background: var(--info-soft);   color: var(--info);   border-color: var(--info-border); }
.tag-success { background: var(--ok-soft);     color: var(--ok);     border-color: var(--ok-border); }
.tag-alert   { background: var(--warn-soft);   color: var(--warn);   border-color: var(--warn-border); }
.tag-danger  { background: var(--danger-soft); color: var(--danger); border-color: var(--danger-border); }
.tag-accent  { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-border); }
.tag-alert::before, .status-active::before {
    content: ""; width: 0.42rem; height: 0.42rem; border-radius: 50%; background: currentColor;
}
.status-active {
    display: inline-flex; align-items: center; gap: 0.3rem;
    background: var(--ok-soft); color: var(--ok); border: 1px solid var(--ok-border);
    font-size: 0.65rem; font-weight: 700; padding: 0.14rem 0.5rem; border-radius: 99px;
}
.status-active::before { animation: pulse 2s infinite; }

.badge {
    display: inline-flex; align-items: center;
    padding: 0.14rem 0.5rem; border-radius: 6px;
    font-size: 0.62rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase;
    color: #fff; white-space: nowrap;
}
.badge-ok { background: var(--ok); } .badge-warn { background: var(--warn); }
.badge-danger { background: var(--danger); } .badge-info { background: var(--info); }
.badge-accent { background: var(--accent); } .badge-muted { background: var(--text-faint); }

/* ---------- Layout: dashboard grid ---------- */
.dash {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(10px, 1vw, 18px);
    width: 100%;
    max-width: 1720px;
    margin: 0 auto;
    padding: clamp(12px, 1.4vw, 24px);
    flex: 1;
    align-content: start;
}
.col-1 { grid-column: span 1; } .col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; } .col-4 { grid-column: span 4; }

@media (max-width: 1180px) {
    .dash { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .col-3, .col-4 { grid-column: span 2; }
}
@media (max-width: 720px) {
    .dash { grid-template-columns: 1fr; }
    .col-1, .col-2, .col-3, .col-4 { grid-column: span 1; }
    .header-tags { display: none; }
}

/* ---------- Cards ---------- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: clamp(14px, 1.3vw, 22px);
    display: flex; flex-direction: column;
    box-shadow: var(--shadow-xs);
    transition: box-shadow .25s, border-color .25s, transform .25s;
    min-width: 0;
}
.card.hoverable:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--accent-border); }
.card-header {
    display: flex; justify-content: space-between; align-items: center; gap: 0.5rem;
    font-size: 0.7rem; font-weight: 800; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 0.75rem; flex-shrink: 0;
}
.card-header .hint { text-transform: none; letter-spacing: 0; font-weight: 600; color: var(--accent); }
.card-accent-left   { border-left: 3px solid var(--accent); }
.card-accent-top    { border-top: 3px solid var(--accent); }
.card-accent-warn   { border-left: 3px solid var(--warn); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
    padding: 0.55rem 1rem; border-radius: 10px;
    font-weight: 700; font-size: 0.85rem; border: 1px solid transparent;
    transition: all .18s; white-space: nowrap; text-decoration: none;
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: var(--accent-contrast); box-shadow: var(--shadow-xs); }
.btn-primary:not(:disabled):hover { transform: translateY(-1px); box-shadow: 0 6px 16px -4px color-mix(in srgb, var(--accent) 55%, transparent); }
.btn-outline { background: var(--card-bg); color: var(--accent); border-color: var(--accent-border); }
.btn-outline:not(:disabled):hover { background: var(--accent-soft); border-color: var(--accent); }
.btn-ghost { background: transparent; color: var(--text-muted); border-color: var(--border-color); }
.btn-ghost:not(:disabled):hover { background: var(--hover-bg); color: var(--text-main); }
.btn-danger-ghost { background: transparent; color: var(--danger); border-color: var(--danger-border); }
.btn-danger-ghost:not(:disabled):hover { background: var(--danger-soft); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:not(:disabled):hover { background: #B91C1C; }
.btn-sm { padding: 0.32rem 0.65rem; font-size: 0.72rem; border-radius: 8px; }
.btn-block { width: 100%; }

.icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 1.8rem; height: 1.8rem; border-radius: 8px;
    background: none; border: none; color: var(--text-muted); transition: all .15s;
}
.icon-btn:hover { background: var(--hover-bg); color: var(--accent); }
.icon-btn.danger:hover { background: var(--danger-soft); color: var(--danger); }

/* ---------- Forms ---------- */
.field-label {
    display: block; font-size: 0.66rem; font-weight: 800; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 0.3rem;
}
.input-full {
    width: 100%; padding: 0.6rem 0.75rem;
    border: 1px solid var(--border-strong); border-radius: 10px;
    background: var(--card-bg); font-size: 0.875rem;
    margin-bottom: 0.85rem; transition: border-color .15s, box-shadow .15s;
    resize: vertical;
}
.input-full:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }
.input-full::placeholder { color: var(--text-faint); }
select.input-full { cursor: pointer; }
.input-inline { margin-bottom: 0; }
.select-compact {
    padding: 0.28rem 0.5rem; font-size: 0.72rem; font-weight: 700;
    border: 1px solid var(--border-strong); border-radius: 8px; background: var(--card-bg);
    color: var(--text-soft); cursor: pointer; max-width: 100%;
}
.select-compact:focus { outline: none; border-color: var(--accent); }

.form-section { margin-bottom: 1.4rem; }
.form-section:last-child { margin-bottom: 0; }
.form-section > h3 {
    font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--accent); margin-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent-soft); padding-bottom: 0.3rem;
}
.form-row { display: flex; gap: 0.85rem; }
.form-row > * { flex: 1; min-width: 0; }
@media (max-width: 560px) { .form-row { flex-direction: column; gap: 0; } }

.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.45rem; }
@media (max-width: 560px) { .check-grid { grid-template-columns: 1fr; } }
.check-item {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.8rem; font-weight: 500; color: var(--text-main);
    padding: 0.5rem 0.6rem; background: var(--bg-color);
    border: 1px solid var(--border-color); border-radius: 10px;
    cursor: pointer; transition: all .15s;
}
.check-item:hover { border-color: var(--accent-border); background: var(--accent-soft); }
.check-item:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-dark); font-weight: 700; }
.check-item input { width: 0.95rem; height: 0.95rem; accent-color: var(--accent); cursor: pointer; flex-shrink: 0; }

.form-msg { text-align: center; margin-top: 0.9rem; font-weight: 700; font-size: 0.85rem; display: none; }
.form-msg.ok { color: var(--ok); display: block; }
.form-msg.err { color: var(--danger); display: block; }

/* ---------- Info boxes ---------- */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
@media (max-width: 560px) { .info-grid { grid-template-columns: 1fr; } }
.info-box { background: var(--bg-color); padding: 0.7rem 0.85rem; border-radius: 10px; border: 1px solid var(--border-color); min-width: 0; }
.info-label { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); font-weight: 800; margin-bottom: 0.2rem; }
.info-val { font-size: 0.85rem; font-weight: 600; color: var(--text-main); overflow-wrap: break-word; }

/* ---------- Stats ---------- */
.stats-grid { display: flex; align-items: stretch; text-align: center; flex: 1; }
.stat-col { flex: 1; border-right: 1px solid var(--border-color); padding: 0.25rem 0.4rem; display: flex; flex-direction: column; justify-content: center; gap: 0.3rem; min-width: 0; }
.stat-col:last-child { border-right: none; }
.stat-label { font-size: 0.62rem; font-weight: 800; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.stat-val { font-size: clamp(1.5rem, 2vw, 2rem); font-weight: 900; color: var(--text-main); line-height: 1.05; letter-spacing: -0.02em; }

.delta-badge {
    display: inline-flex; align-items: center; gap: 2px; margin: 0 auto;
    padding: 0.14rem 0.5rem; border-radius: 99px; font-size: 0.65rem; font-weight: 800;
}
.delta-good { background: var(--ok-soft); color: var(--ok); }
.delta-bad { background: var(--warn-soft); color: var(--warn); }
.delta-flat { background: var(--hover-bg); color: var(--text-muted); }

/* ---------- Tables ---------- */
.table-scroll { flex: 1; overflow-y: auto; min-height: 0; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.78rem; }
.data-table thead { position: sticky; top: 0; background: var(--card-bg); z-index: 5; }
.data-table thead th {
    padding: 0.5rem; font-size: 0.62rem; font-weight: 800; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.06em;
    border-bottom: 2px solid var(--border-color); white-space: nowrap;
}
.data-table tbody td { padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--border-color); vertical-align: middle; }
.data-table tbody tr { transition: background .15s; }
.data-table tbody tr:hover { background: var(--hover-bg); }
.data-table .cell-center { text-align: center; }
.row-link { text-decoration: none; color: var(--accent); font-weight: 700; }
.row-link:hover { text-decoration: underline; }
.row-select { cursor: pointer; }
.row-select.selected { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }

/* ---------- Lists ---------- */
.list-item {
    display: flex; justify-content: space-between; align-items: center; gap: 0.6rem;
    padding: 0.55rem 0.25rem; border-bottom: 1px solid var(--border-color);
}
.list-item:last-child { border-bottom: none; }
.empty-state {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.4rem;
    padding: 1.4rem 1rem; color: var(--text-faint); text-align: center;
    font-size: 0.8rem; font-weight: 500; flex: 1;
}
.empty-state svg { opacity: 0.6; }

/* ---------- Progress ---------- */
.progress-track { width: 100%; height: 0.5rem; background: var(--hover-bg); border-radius: 99px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 99px; transition: width .5s cubic-bezier(.16,1,.3,1); }
.progress-fill.teal { background: var(--peacox-teal); }
.progress-fill.purple { background: var(--peacox-purple); }
.progress-group { display: flex; flex-direction: column; gap: 0.35rem; }
.progress-header { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.8rem; font-weight: 700; }

.circular-progress {
    position: relative; width: 84px; height: 84px; border-radius: 50%; flex-shrink: 0;
    display: flex; justify-content: center; align-items: center;
    background: conic-gradient(var(--accent) 0deg, var(--hover-bg) 0deg);
    transition: background .5s ease-out;
}
.circular-progress::before { content: ""; position: absolute; inset: 8px; border-radius: 50%; background: var(--card-bg); }
.progress-value { position: relative; font-weight: 900; font-size: 1.15rem; }

/* ---------- Calendar ---------- */
.calendar-wrapper { display: flex; flex-direction: column; min-height: 0; }
.cal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.4rem; font-weight: 800; font-size: 0.82rem; }
.cal-nav { background: none; border: 1px solid transparent; border-radius: 8px; color: var(--text-muted); font-size: 1.05rem; line-height: 1; padding: 0.1rem 0.5rem; transition: all .15s; }
.cal-nav:hover { color: var(--accent); background: var(--accent-soft); }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.cal-day-header { text-align: center; font-size: 0.58rem; color: var(--text-faint); font-weight: 800; padding-bottom: 0.25rem; text-transform: uppercase; }
.cal-day {
    position: relative; aspect-ratio: 1.15; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.72rem; font-weight: 600; color: var(--text-soft);
    background: var(--bg-color); border: 1px solid transparent;
    cursor: pointer; transition: all .15s;
}
.cal-day:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-dark); }
.cal-day.today { background: var(--accent); color: #fff; font-weight: 800; box-shadow: var(--shadow-sm); }
.cal-day.empty { background: transparent; cursor: default; border: none; }
.cal-dots { position: absolute; bottom: 3px; display: flex; gap: 2px; justify-content: center; }
.cal-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--peacox-teal); }
.cal-dot.accent { background: var(--accent); }
.cal-day.today .cal-dot, .cal-day.today .cal-dot.accent { background: #fff; }

.event-row {
    display: flex; align-items: flex-start; gap: 0.5rem;
    background: var(--bg-color); border: 1px solid var(--border-color);
    border-left: 3px solid var(--pill, var(--peacox-teal));
    padding: 0.4rem 0.55rem; border-radius: 8px;
}
.event-date {
    font-weight: 800; font-size: 0.62rem; padding: 0.2rem 0.4rem; border-radius: 6px;
    min-width: 44px; text-align: center; flex-shrink: 0;
    background: color-mix(in srgb, var(--pill, var(--peacox-teal)) 12%, transparent);
    color: var(--pill, var(--peacox-teal));
}
.event-row h5 { font-size: 0.74rem; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.event-row p { font-size: 0.64rem; color: var(--text-muted); line-height: 1.25; }

/* ---------- Tabs ---------- */
.tabs-nav {
    display: flex; gap: 0.25rem; align-items: center;
    background: var(--glass-bg); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    padding: 0 clamp(1rem, 2.5vw, 2rem);
    border-bottom: 1px solid var(--border-color);
    position: sticky; top: var(--header-h); z-index: 90;
    overflow-x: auto;
}
.tab-btn {
    background: none; border: none; padding: 0.8rem 1rem;
    font-weight: 700; font-size: 0.8rem; color: var(--text-muted);
    border-bottom: 3px solid transparent; margin-bottom: -1px;
    transition: color .18s, border-color .18s; white-space: nowrap;
    text-transform: uppercase; letter-spacing: 0.05em;
}
.tab-btn:hover { color: var(--accent); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-pane { display: none; }
.tab-pane.active { display: grid; animation: fadeIn .25s ease both; }

/* ---------- Side pane (drawer) ---------- */
.side-overlay {
    position: fixed; inset: 0; background: rgba(15, 20, 40, 0.45);
    backdrop-filter: blur(3px); z-index: 140;
    opacity: 0; pointer-events: none; transition: opacity .25s;
}
.side-overlay.active { opacity: 1; pointer-events: auto; }
.side-pane {
    position: fixed; top: 0; left: 0; bottom: 0; width: min(330px, 88vw);
    background: var(--card-bg); z-index: 150;
    transform: translateX(-102%); transition: transform .38s cubic-bezier(.16,1,.3,1);
    display: flex; flex-direction: column;
    box-shadow: var(--shadow-lg); border-right: 1px solid var(--border-color);
}
.side-pane.active { transform: translateX(0); }
.side-header { padding: 1.25rem 1.4rem; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.side-header h2 { font-size: 1rem; font-weight: 900; letter-spacing: -0.01em; }
.close-side { background: none; border: none; font-size: 1.1rem; color: var(--text-muted); padding: 0.25rem 0.5rem; border-radius: 8px; }
.close-side:hover { background: var(--hover-bg); color: var(--text-main); }
.menu-list { padding: 0.9rem; flex: 1; display: flex; flex-direction: column; gap: 0.45rem; overflow-y: auto; }
.menu-item {
    display: flex; justify-content: space-between; align-items: center; gap: 0.5rem;
    padding: 0.85rem 0.95rem; border-radius: 12px;
    background: var(--bg-color); border: 1px solid var(--border-color);
    font-weight: 700; font-size: 0.85rem; color: var(--text-main);
    cursor: pointer; transition: all .18s;
}
.menu-item:hover { background: var(--accent-soft); border-color: var(--accent-border); color: var(--accent-dark); transform: translateX(4px); }
.menu-item .chev { color: var(--text-faint); transition: transform .18s; }
.menu-item:hover .chev { transform: translateX(2px); color: var(--accent); }

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(15, 20, 40, 0.5);
    backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
    display: none; justify-content: center; align-items: center;
    z-index: 200; padding: clamp(12px, 3vw, 28px);
}
.modal-overlay.open { display: flex; animation: fadeIn .18s ease both; }
.modal-container {
    background: var(--card-bg); width: 100%; max-width: 620px; max-height: 88vh;
    border-radius: var(--radius-lg); display: flex; flex-direction: column; overflow: hidden;
    box-shadow: var(--shadow-lg); border: 1px solid var(--border-color);
    animation: popIn .25s cubic-bezier(.16,1,.3,1) both;
}
.modal-container.wide { max-width: 860px; }
.modal-header {
    padding: 1.1rem 1.4rem; border-bottom: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; flex-shrink: 0;
}
.modal-header h2 { font-size: 1.05rem; font-weight: 900; letter-spacing: -0.01em; }
.modal-close {
    background: var(--bg-color); border: 1px solid var(--border-color);
    width: 1.9rem; height: 1.9rem; border-radius: 50%;
    color: var(--text-muted); display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem; transition: all .15s; flex-shrink: 0;
}
.modal-close:hover { background: var(--danger-soft); color: var(--danger); border-color: var(--danger-border); }
.modal-body { padding: 1.4rem; overflow-y: auto; flex: 1; min-height: 0; }
.modal-content-pane { display: none; }
.modal-content-pane.open { display: block; }
.modal-content-pane.open[data-flex] { display: flex; flex-direction: column; gap: 1rem; min-height: 0; }
.modal-actions { display: flex; gap: 0.6rem; justify-content: flex-end; margin-top: 1rem; }

/* ---------- Toasts ---------- */
#toast-stack {
    position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; gap: 0.5rem; z-index: 400;
    width: min(420px, calc(100vw - 2rem));
}
.toast {
    display: flex; align-items: flex-start; gap: 0.6rem;
    background: var(--text-main); color: #fff;
    padding: 0.75rem 1rem; border-radius: 12px;
    font-size: 0.82rem; font-weight: 600; line-height: 1.35;
    box-shadow: var(--shadow-lg);
    animation: toastIn .3s cubic-bezier(.16,1,.3,1) both;
}
.toast .t-icon { flex-shrink: 0; margin-top: 1px; }
.toast.ok .t-icon { color: #4ADE80; }
.toast.err .t-icon { color: #F87171; }
.toast.info .t-icon { color: #7DD3FC; }
.toast.leaving { opacity: 0; transform: translateY(8px); transition: all .25s; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 1.1rem; }
.timeline::before { content: ''; position: absolute; left: 0.32rem; top: 0.5rem; bottom: 0.5rem; width: 2px; background: var(--border-color); border-radius: 2px; }
.timeline-item { position: relative; padding-left: 1.1rem; margin-bottom: 0.85rem; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before {
    content: ''; position: absolute; left: -0.35rem; top: 0.85rem;
    width: 0.85rem; height: 0.85rem; border-radius: 50%;
    background: var(--card-bg); border: 3px solid var(--border-strong); z-index: 1; transition: all .25s;
}
.timeline-item.status-completed::before { background: var(--ok); border-color: var(--ok); }
.timeline-item.status-in_progress::before { background: var(--warn); border-color: var(--warn); }
.timeline-content {
    background: var(--bg-color); border: 1px solid var(--border-color); border-radius: 12px;
    padding: 0.8rem 0.95rem; display: flex; justify-content: space-between; align-items: center; gap: 0.75rem;
    transition: box-shadow .18s;
}
.timeline-content:hover { box-shadow: var(--shadow-sm); }
.timeline-category { font-size: 0.6rem; color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; }
.timeline-title { font-weight: 700; font-size: 0.85rem; margin: 0.1rem 0; }
.timeline-date { font-size: 0.68rem; color: var(--text-muted); }

.status-select {
    padding: 0.3rem 0.5rem; border-radius: 8px; border: 1px solid var(--border-strong);
    font-size: 0.7rem; font-weight: 700; background: var(--card-bg); cursor: pointer; flex-shrink: 0;
}
.status-select.completed { color: var(--ok); border-color: var(--ok); background: var(--ok-soft); }
.status-select.in_progress { color: var(--warn); border-color: var(--warn); background: var(--warn-soft); }
.status-select.not_started { color: var(--text-muted); }

/* ---------- Misc utilities ---------- */
.text-muted { color: var(--text-muted); } .text-faint { color: var(--text-faint); }
.text-accent { color: var(--accent); } .text-ok { color: var(--ok); }
.text-warn { color: var(--warn); } .text-danger { color: var(--danger); }
.text-xs { font-size: 0.72rem; } .text-sm { font-size: 0.82rem; }
.font-bold { font-weight: 700; } .font-black { font-weight: 900; }
.flex { display: flex; } .flex-col { display: flex; flex-direction: column; }
.flex-1 { flex: 1; min-width: 0; min-height: 0; }
.items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: 0.35rem; } .gap-2 { gap: 0.6rem; } .gap-3 { gap: 1rem; }
.mt-1 { margin-top: 0.35rem; } .mt-2 { margin-top: 0.6rem; } .mt-3 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.35rem; } .mb-2 { margin-bottom: 0.6rem; } .mb-3 { margin-bottom: 1rem; }
.scroll-y { overflow-y: auto; min-height: 0; }
.divider-dashed { border: none; border-top: 1px dashed var(--border-strong); margin: 0.6rem 0; }