/**
 * filing-calendar.css — Sprint 100: Filing Calendar styles
 *
 * Clean aesthetic matching the compliance map. Uses existing design tokens.
 */

/* ─── Page Layout ───────────────────────────────────────────────────────────── */

.filing-calendar-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

.filing-header {
    margin-bottom: 1.5rem;
}

.filing-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--clr-text);
    margin: 0 0 .25rem;
}

.filing-subtitle {
    font-size: .875rem;
    color: var(--clr-text-muted);
    margin: 0;
}

/* ─── Stats Bar ─────────────────────────────────────────────────────────────── */

.filing-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .75rem;
    margin-bottom: 1.25rem;
}

.filing-stat {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
    transition: transform .15s ease, box-shadow .15s ease;
}

.filing-stat:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,.06);
}

.filing-stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
}

.filing-stat-label {
    display: block;
    font-size: .75rem;
    color: var(--clr-text-muted);
    margin-top: .35rem;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.filing-stat--overdue .filing-stat-number { color: var(--clr-danger, #ef4444); }
.filing-stat--soon .filing-stat-number    { color: var(--clr-warning, #f59e0b); }
.filing-stat--ok .filing-stat-number      { color: var(--clr-success, #22c55e); }
.filing-stat--total .filing-stat-number   { color: var(--clr-primary, #6366f1); }

/* ─── Filters ───────────────────────────────────────────────────────────────── */

.filing-filters {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
    padding: .75rem 1rem;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
}

.filing-filter-group {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.filing-filter-label {
    font-size: .75rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
}

.filing-pills {
    display: flex;
    gap: .25rem;
}

.filing-pills .filter-pill {
    font-size: .78rem;
    padding: .25rem .6rem;
    border: 1px solid var(--clr-border);
    border-radius: 6px;
    background: transparent;
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: all .15s ease;
}

.filing-pills .filter-pill:hover {
    background: var(--clr-bg-hover, rgba(99,102,241,.08));
    color: var(--clr-text);
}

.filing-pills .filter-pill.active {
    background: var(--clr-primary, #6366f1);
    color: #fff;
    border-color: var(--clr-primary, #6366f1);
}

.filing-select {
    font-size: .82rem;
    padding: .3rem .5rem;
    border: 1px solid var(--clr-border);
    border-radius: 6px;
    background: var(--clr-bg);
    color: var(--clr-text);
    min-width: 120px;
}

.filing-view-toggle {
    margin-left: auto;
    display: flex;
    gap: .25rem;
}

.filing-view-btn {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--clr-border);
    border-radius: 6px;
    background: transparent;
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: all .15s ease;
}

.filing-view-btn:hover { background: var(--clr-bg-hover, rgba(99,102,241,.08)); }
.filing-view-btn.active {
    background: var(--clr-primary, #6366f1);
    color: #fff;
    border-color: var(--clr-primary, #6366f1);
}

.filing-view-btn svg { width: 16px; height: 16px; }

/* ─── List View ─────────────────────────────────────────────────────────────── */

.filing-table-wrap {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    overflow: hidden;
}

.filing-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
}

.filing-table thead th {
    text-align: left;
    padding: .75rem 1rem;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--clr-text-muted);
    border-bottom: 1px solid var(--clr-border);
    background: var(--clr-bg);
}

.filing-table tbody td {
    padding: .65rem 1rem;
    border-bottom: 1px solid var(--clr-border-light, rgba(0,0,0,.04));
    color: var(--clr-text);
}

.filing-table tbody tr:last-child td { border-bottom: none; }

.filing-row {
    transition: background .12s ease;
}

.filing-row:hover {
    background: var(--clr-bg-hover, rgba(99,102,241,.04));
}

.filing-row--highlighted {
    background: var(--clr-bg-hover, rgba(99,102,241,.08)) !important;
    animation: filing-highlight-fade 2s ease-out forwards;
}

@keyframes filing-highlight-fade {
    0% { background: rgba(99,102,241,.12); }
    100% { background: transparent; }
}

/* ─── Status Badges ─────────────────────────────────────────────────────────── */

.filing-badge {
    display: inline-block;
    font-size: .72rem;
    font-weight: 600;
    padding: .2rem .5rem;
    border-radius: 5px;
    white-space: nowrap;
}

.filing-badge--overdue  { background: rgba(239,68,68,.12); color: #dc2626; }
.filing-badge--today    { background: rgba(245,158,11,.15); color: #d97706; animation: filing-pulse 2s infinite; }
.filing-badge--soon     { background: rgba(245,158,11,.1);  color: #d97706; }
.filing-badge--upcoming { background: rgba(59,130,246,.1);  color: #3b82f6; }
.filing-badge--ok       { background: rgba(34,197,94,.1);   color: #16a34a; }
.filing-badge--none     { background: rgba(0,0,0,.05);      color: var(--clr-text-muted); }

@keyframes filing-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .7; }
}

.filing-state-code {
    font-size: .72rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    background: var(--clr-bg);
    padding: .15rem .35rem;
    border-radius: 4px;
}

/* ─── Empty State ───────────────────────────────────────────────────────────── */

.filing-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

/* ─── Month Grid View ───────────────────────────────────────────────────────── */

.cal-container {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: 10px;
    overflow: hidden;
}

.cal-nav {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--clr-border);
}

.cal-month-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--clr-text);
    flex: 1;
    text-align: center;
}

.cal-nav-btn {
    background: transparent;
    border: 1px solid var(--clr-border);
    border-radius: 6px;
    padding: .35rem .6rem;
    color: var(--clr-text-muted);
    cursor: pointer;
    font-size: .8rem;
    transition: all .12s ease;
    display: flex;
    align-items: center;
}

.cal-nav-btn:hover { background: var(--clr-bg-hover, rgba(99,102,241,.08)); color: var(--clr-text); }
.cal-nav-btn svg { width: 16px; height: 16px; }

.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    padding: .5rem;
    gap: 2px;
}

.cal-header {
    text-align: center;
    font-size: .68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--clr-text-muted);
    padding: .5rem 0;
}

.cal-cell {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: .4rem;
    border-radius: 8px;
    transition: background .12s ease;
    position: relative;
    min-height: 60px;
}

.cal-cell--empty { visibility: hidden; }

.cal-cell--has-filings {
    cursor: pointer;
}

.cal-cell--has-filings:hover {
    background: var(--clr-bg-hover, rgba(99,102,241,.06));
}

.cal-cell--today {
    background: rgba(99,102,241,.08);
    border: 2px solid var(--clr-primary, #6366f1);
}

.cal-day {
    font-size: .8rem;
    font-weight: 500;
    color: var(--clr-text);
}

.cal-dots {
    margin-top: auto;
}

.cal-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: .65rem;
    font-weight: 700;
    color: #fff;
}

.cal-dot.filing-badge--overdue  { background: #ef4444; }
.cal-dot.filing-badge--today    { background: #f59e0b; }
.cal-dot.filing-badge--soon     { background: #f59e0b; }
.cal-dot.filing-badge--upcoming { background: #3b82f6; }
.cal-dot.filing-badge--ok       { background: #22c55e; }

/* ─── Responsive ────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .filing-stats { grid-template-columns: repeat(2, 1fr); }
    .filing-filters { flex-direction: column; align-items: stretch; }
    .filing-view-toggle { margin-left: 0; justify-content: flex-end; }
    .filing-table { font-size: .78rem; }
    .filing-table thead th,
    .filing-table tbody td { padding: .5rem .6rem; }
    /* Hide less-critical columns on mobile */
    .filing-table thead th:nth-child(5),
    .filing-table tbody td:nth-child(5),
    .filing-table thead th:nth-child(7),
    .filing-table tbody td:nth-child(7) { display: none; }
    .cal-cell { min-height: 44px; }
}

@media (max-width: 480px) {
    .filing-stats { grid-template-columns: 1fr 1fr; gap: .5rem; }
    .filing-stat { padding: .75rem .5rem; }
    .filing-stat-number { font-size: 1.25rem; }
}