/* ================================================================
   StudentOS — patches24.css
   1.  Task DnD         — drag state visuals (simplified)
   2.  Formula modal    — clean single-column layout
   3.  Worksheet draw   — canvas drawing block
   4.  Worksheet picker — formula search bar
   5.  Attendance       — 2-column responsive layout, polish
   6.  Print            — reliable print CSS for worksheet
   ================================================================ */

/* ================================================================
   1.  TASK DnD — VISUALS
   ================================================================ */
.task-row[data-dragstate="src"] {
    opacity: .4;
    transform: scale(.98);
    transition: opacity .1s, transform .1s;
}
.task-row[data-dragstate="over"] {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 10px;
}
.task-drag-handle {
    cursor: grab;
    color: var(--text-muted);
    opacity: .4;
    padding: 2px 4px;
    margin-right: 2px;
    flex-shrink: 0;
    font-size: .75rem;
    transition: opacity .15s;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}
.task-drag-handle:hover,
.task-row:hover .task-drag-handle { opacity: .75; }
.task-drag-handle:active { cursor: grabbing; }

/* ================================================================
   2.  FORMULA MODAL — CLEAN
   ================================================================ */
/* Aggressively hide the variable metadata section and unit/cat
   selects that patches16 injects. patches24 JS removes them from
   the DOM entirely on every open. */
#modal-formula .p16-formula-vars,
#modal-formula #p16-fv-rows,
#modal-formula .p16-fv-hint,
#modal-formula [onclick*="p16_addVar"],
#modal-formula .p16-fv-add-btn,
#modal-formula .p16-fv-row .p16-fv-ci,
#modal-formula .p16-fv-row .p16-fv-ui,
#modal-formula .p16-fv-row .p16-fv-ni {
    display: none !important;
}

/* ================================================================
   3.  WORKSHEET DRAW BLOCK
   ================================================================ */
.p24-draw-block {
    position: relative;
    background: var(--glass-panel);
    border: 1.5px solid var(--glass-border);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color .15s;
}
.p24-draw-block:hover { border-color: color-mix(in srgb, var(--accent) 30%, transparent); }

.p24-draw-toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--glass-border);
    flex-wrap: wrap;
}
.p24-draw-toolbar input[type="color"] {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    border: 1px solid var(--glass-border);
    background: var(--glass-hover);
    cursor: pointer;
    padding: 2px;
}
.p24-draw-tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 7px;
    border: 1px solid var(--glass-border);
    background: var(--glass-hover);
    color: var(--text-muted);
    font-size: .72rem;
    cursor: pointer;
    transition: all .12s;
    white-space: nowrap;
}
.p24-draw-tool-btn:hover { background: var(--glass-panel); color: var(--text-main); }
.p24-draw-tool-btn.active {
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    border-color: color-mix(in srgb, var(--accent) 35%, transparent);
    color: var(--accent);
}
.p24-draw-size-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 70px;
    height: 4px;
    border-radius: 99px;
    background: var(--glass-border);
    outline: none;
    cursor: pointer;
}
.p24-draw-size-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
}
.p24-draw-canvas {
    display: block;
    width: 100%;
    background: transparent;
    cursor: crosshair;
    touch-action: none;
}
.p24-draw-canvas.p24-eraser-mode { cursor: cell; }

/* ================================================================
   4.  WORKSHEET PICKER — FORMULA SEARCH
   ================================================================ */
.p24-formula-search {
    padding: 0 0 10px 0;
}
.p24-search-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.p24-search-icon {
    position: absolute;
    left: 10px;
    color: var(--text-muted);
    font-size: .72rem;
    pointer-events: none;
}
.p24-formula-search input {
    width: 100%;
    padding: 7px 10px 7px 28px;
    border-radius: 9px;
    border: 1px solid var(--glass-border);
    background: var(--glass-hover);
    color: var(--text-main);
    font-size: .78rem;
    outline: none;
    box-sizing: border-box;
    transition: border-color .15s;
}
.p24-formula-search input:focus { border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.p24-formula-search input::placeholder { color: var(--text-muted); }

/* ================================================================
   5.  ATTENDANCE — RESPONSIVE 2-COLUMN GRID + POLISH
   ================================================================ */
/* Wrap the courses list in a responsive grid.
   Override the Tailwind space-y-3 margin-based stacking. */
#p16-att-courses {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
    align-items: start;
}
/* Remove Tailwind space-y-3 margins inside grid (margins don't compose with grid gap) */
#p16-att-courses > * { margin-top: 0 !important; }

/* The empty-state message should span full width */
#p16-att-courses > div[style*="text-align:center"] { grid-column: 1 / -1; }

/* Attendance header bar with summary stats */
.p24-att-summary {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 18px;
    margin-bottom: 16px;
    background: var(--glass-panel);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    flex-wrap: wrap;
}
.p24-att-summary-item {
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.p24-att-summary-val {
    font-size: 1.1rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-main);
}
.p24-att-summary-lbl {
    font-size: .6rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-muted);
    font-weight: 700;
}
.p24-att-summary-div {
    width: 1px;
    height: 28px;
    background: var(--glass-border);
}

/* Card refresh: use accent border on left */
.p21-att-course-card {
    border-left: 3px solid var(--c, var(--accent)) !important;
    transition: transform .12s, box-shadow .12s !important;
}
.p21-att-course-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0,0,0,.15);
}

/* Week labels above the calendar grid */
.p24-cal-month-label {
    font-size: .58rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 3px;
}

/* ================================================================
   6.  PRINT — RELIABLE WORKSHEET PDF
       Override patches21 print CSS with a cleaner approach
   ================================================================ */
#p24-ws-print-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 10px;
    font-size: .74rem;
    font-weight: 600;
    cursor: pointer;
    background: var(--glass-panel);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    transition: all .14s;
    white-space: nowrap;
    margin-left: auto;
}
#p24-ws-print-btn:hover {
    background: var(--glass-hover);
    color: var(--text-main);
    border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

/* ================================================================
   7.  MISC QOL
   ================================================================ */
/* Slightly widen formula modal */
#modal-formula { width: 460px !important; }

/* Worksheet picker sheet formula grid: tighter items */
#p19-picker-formula-grid .p19-picker-formula-card { transition: background .12s; }
#p19-picker-formula-grid .p19-picker-formula-card[style*="none"] { display: none !important; }