/* ===== KALENDER ===== */

/* Jahres-Navigation (← 2024 | 2025 | 2026 →) */
.cal-year-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}
.cal-year-label {
    font-size: 2.25rem;
    font-weight: 700;
    min-width: 5.5rem;
    text-align: center;
    color: var(--color-text);
}

/* 12 Monatskacheln im 4×3 Raster */
.cal-months {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

/* Einzelne Monatskachel */
.cal-month-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    padding: 1.25rem 1rem;
    min-height: 7rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--color-text);
    box-shadow: var(--shadow);
    transition: border-color 0.15s, box-shadow 0.15s;
    cursor: pointer;
}
/* Hover-Feedback ueber Box-Shadow-Outline statt translateY, damit
   die Kachel nicht in einen eigenen Compositor-Layer rutscht — das
   loeste vorher Repaints der Nachbarzellen aus und wirkte wie
   Flicker auf der ganzen Seite.
   Ring-Width 3px + Glow, damit der "ausgewaehlt"-Zustand auch bei
   gruenem Heatmap-Inline-Border klar sichtbar ist (Inline-Style
   uebersteuert border-color, box-shadow bleibt unberuehrt). */
.cal-month-tile:hover {
    border-color: var(--color-primary);
    box-shadow:
        0 0 0 3px var(--color-primary),
        0 0 12px rgba(var(--color-primary-rgb, 59, 130, 246), 0.35),
        var(--shadow);
}
/* Monate ohne Verkäufe: ausgegraut */
.cal-month-tile.no-sales {
    opacity: 0.45;
}
.cal-month-tile.no-sales:hover {
    opacity: 0.75;
}
/* Monate mit Verkäufen: grüner Rand */
.cal-month-tile.has-sales {
    border-color: var(--color-success);
}
.cal-month-tile .tile-name {
    font-weight: 700;
    font-size: 1.1rem;
}
.cal-month-tile .tile-revenue {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--color-success);
}
.cal-month-tile .tile-count {
    font-size: 0.85rem;
    color: var(--color-muted);
}
.cal-month-tile .tile-empty {
    font-size: 0.9rem;
    color: var(--color-muted);
    font-style: italic;
}

/* Monatsansicht: 8-spaltiges Kalender-Grid (KW + Mo–So) */
.cal-grid {
    display: grid;
    grid-template-columns: 2.25rem repeat(7, 1fr);
    gap: 0.375rem;
}

/* KW-Zelle (Kalenderwoche): erste Spalte jeder Zeile */
.cal-grid-kw {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-muted);
    opacity: 0.7;
    padding: 0.1rem 0;
    user-select: none;
}

/* Wochentag-Kopfzeile (Mo Di Mi …) */
.cal-grid-header {
    text-align: center;
    padding: 0.3rem 0;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Tages-Kachel */
.cal-grid-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0.2rem;
    padding: 0.5rem 0.25rem;
    min-height: 4.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-surface-alt);
    text-decoration: none;
    color: var(--color-text);
    transition: background 0.12s, border-color 0.12s;
}
/* Hover-Feedback fuer alle echten Tage (auch ohne Umsatz) */
.cal-grid-day:not(.empty):hover {
    background: var(--color-hover);
    border-color: var(--color-primary);
}
/* Leere Zellen (Tage vor dem 1. des Monats) */
.cal-grid-day.empty {
    background: transparent;
    border-color: transparent;
    cursor: default;
}
/* Tag mit Verkäufen: grün hervorgehoben, klickbar */
.cal-grid-day.has-sales {
    background: rgba(22, 163, 74, 0.07);
    border-color: rgba(22, 163, 74, 0.35);
    cursor: pointer;
}
.cal-grid-day.has-sales:hover {
    background: rgba(22, 163, 74, 0.16);
    border-color: var(--color-success);
}
.cal-grid-day.today {
    border-color: var(--color-primary);
    box-shadow: inset 0 0 0 2px rgba(var(--color-primary-rgb, 59, 130, 246), 0.35);
}
.cal-grid-day.has-sales.today {
    border-color: var(--color-primary);
    box-shadow:
        inset 0 0 0 2px rgba(var(--color-primary-rgb, 59, 130, 246), 0.35),
        0 0 0 2px rgba(var(--color-primary-rgb, 59, 130, 246), 0.10);
}
/* Dark-Mode: etwas hellere grüne Tönung */
[data-theme="dark"] .cal-grid-day.has-sales {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.4);
}
[data-theme="dark"] .cal-grid-day.has-sales:hover {
    background: rgba(34, 197, 94, 0.2);
}
[data-theme="dark"] .cal-grid-day.today {
    box-shadow: inset 0 0 0 2px rgba(var(--color-primary-rgb, 96, 165, 250), 0.55);
}

.cal-grid-day .day-num {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 0.1rem;
}
.cal-grid-day .day-rev {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-success);
    text-align: center;
    line-height: 1.2;
}

/* Jahres-Stats-Bar (4 KPI-Karten) — Proportionen an Mitarbeiter-/
   Customers-KPIs angeglichen (kpi-grid-compact-lg). */
.cal-year-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.cal-stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.875rem 1rem;
    background: var(--color-surface);
    border-left: 2px solid transparent;
    border-radius: var(--radius);
    box-shadow: none;
    opacity: 0.85;
    transition: opacity 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}
@media (hover: hover) and (pointer: fine) {
    .cal-stat-card:hover {
        opacity: 1;
        transform: translateY(var(--hover-unified-lift, -2px));
        box-shadow: var(--hover-unified-shadow, var(--shadow-md));
    }
}
.cal-stat-card.stat-green  { border-left-color: var(--color-success); }
.cal-stat-card.stat-blue   { border-left-color: var(--color-primary); }
.cal-stat-card.stat-purple { border-left-color: var(--color-purple); }
.cal-stat-card.stat-orange { border-left-color: var(--color-warning); }
.cal-stat-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-muted);
    font-weight: 600;
}
.cal-stat-value {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.15;
    color: var(--color-text);
}
.cal-stat-value.green  { color: var(--color-success); }
.cal-stat-value.blue   { color: var(--color-primary); }
.cal-stat-value.purple { color: var(--color-purple); }
.cal-stat-value.orange { color: var(--color-warning); }
.cal-stat-sub {
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-top: 0.1rem;
}

/* Aktueller Monat: schwacher permanenter Ring + farbiger Titel.
   Deutlich schwaecher als der Hover-Ring (1px, 35% Opacity), damit
   er nicht mit dem "ausgewaehlt"-Hover-Zustand verwechselt wird. */
.cal-month-tile.current-month {
    box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb, 59, 130, 246), 0.65), var(--shadow);
}
/* Hover auf aktuellen Monat: dicken Ring wieder aktivieren (sonst
   gewinnt die .current-month-Regel per Spezifitaet-Gleichstand +
   Reihenfolge ueber .cal-month-tile:hover und der Hover-Effekt
   verschwindet auf der April-Kachel). */
.cal-month-tile.current-month:hover {
    box-shadow:
        0 0 0 3px var(--color-primary),
        0 0 12px rgba(var(--color-primary-rgb, 59, 130, 246), 0.35),
        var(--shadow);
}
.cal-month-tile.current-month .tile-name {
    color: var(--color-primary);
}

/* Responsive: 2 Spalten auf kleinen Bildschirmen */
@media (max-width: 1024px) {
    .cal-year-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
    .cal-months     { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
    .cal-months     { grid-template-columns: repeat(2, 1fr); }
    .cal-year-stats { grid-template-columns: 1fr; }
    .cal-grid-day   { min-height: 3.5rem; }
    .cal-grid-day .day-rev { display: none; }
}

/* =====================================================
   _calendar.css
   Zweck:          Core-CSS-Modul (Components)
   Verwendet von:  Core-Basis auf allen Seiten (main.php/auth.php)
   Abhaengigkeiten: Reihenfolge base -> layout -> components
   Verantwortlich: Core-Styles
   ===================================================== */