/* ═══════════════════════════════════════════════════════
   calendar-design.css — Modern UI polish for Calendar tab
   DESIGN-8: Colors | DESIGN-9: Typography | DESIGN-1: Event cards
   DESIGN-5: Toolbar | DESIGN-2/3/4: Views | DESIGN-10: Animations
   ═══════════════════════════════════════════════════════ */

/* ── DESIGN-8: Category color vars ──────────────────── */
:root {
  --cal-work:     #3B82F6;
  --cal-personal: #10B981;
  --cal-urgent:   #EF4444;
  --cal-meeting:  #F59E0B;
  --cal-deadline: #8B5CF6;
  --cal-default:  #6B7280;

  --cal-radius-sm:  6px;
  --cal-radius-md:  8px;
  --cal-radius-lg:  12px;
  --cal-radius-xl:  16px;
  --cal-transition: 0.15s ease;
}

/* ── DESIGN-8: Category [data-cat] coloring ─────────── */
.cal-event-card[data-cat='work']     { background: #3B82F618; border-left: 3px solid #3B82F6; }
.cal-event-card[data-cat='personal'] { background: #10B98118; border-left: 3px solid #10B981; }
.cal-event-card[data-cat='urgent']   { background: #F59E0B18; border-left: 3px solid #F59E0B; }
.cal-event-card[data-cat='blocked']  { background: #EF444418; border-left: 3px solid #EF4444; }
.cal-event-card[data-cat='project']  { background: #8B5CF618; border-left: 3px solid #8B5CF6; }
.cal-event-card[data-cat='fitness']  { background: #14B8A618; border-left: 3px solid #14B8A6; }
.cal-event-card[data-cat='social']   { background: #EC489918; border-left: 3px solid #EC4899; }
.cal-event-card[data-cat='meeting']  { background: #F59E0B18; border-left: 3px solid #F59E0B; }
.cal-event-card[data-cat='deadline'] { background: #EF444418; border-left: 3px solid #EF4444; }

/* Month dot colors by category */
.cal-month-dot[data-cat='work']     { background: #3B82F6 !important; }
.cal-month-dot[data-cat='personal'] { background: #10B981 !important; }
.cal-month-dot[data-cat='urgent']   { background: #F59E0B !important; }
.cal-month-dot[data-cat='blocked']  { background: #EF4444 !important; }
.cal-month-dot[data-cat='project']  { background: #8B5CF6 !important; }
.cal-month-dot[data-cat='fitness']  { background: #14B8A6 !important; }
.cal-month-dot[data-cat='social']   { background: #EC4899 !important; }
.cal-month-dot[data-cat='meeting']  { background: #F59E0B !important; }
.cal-month-dot[data-cat='deadline'] { background: #EF4444 !important; }

/* ── DESIGN-5: Navigation Toolbar ────────────────────── */
.cal-header {
  gap: 10px;
  box-shadow: 0 1px 0 var(--border);
  border-bottom: none; /* replaced by box-shadow */
}
.cal-nav { gap: 4px; }
.cal-btn {
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  transition: background var(--cal-transition), color var(--cal-transition),
              box-shadow var(--cal-transition);
}
.cal-btn:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
/* Nav arrows — round icon buttons */
.cal-nav > .cal-btn:first-child,
.cal-nav > .cal-btn:last-child {
  padding: 5px 11px;
  font-size: 16px;
  line-height: 1;
}
.cal-today-btn {
  background: var(--accent, #3B82F6);
  color: #fff;
  border-color: var(--accent, #3B82F6);
  order: -1; /* Today first */
}
.cal-today-btn:hover { opacity: .88; }

/* View switcher — pill toggle */
.cal-view-btns {
  background: var(--bg-secondary, rgba(255,255,255,0.06));
  border-radius: 20px;
  padding: 2px;
  gap: 0;
  border: 1px solid var(--border);
}
.cal-view-btns .cal-btn {
  border: none;
  border-radius: 18px;
  background: transparent;
  padding: 4px 12px;
  font-size: 12px;
}
.cal-view-btns .cal-btn-active {
  background: var(--accent, #3B82F6);
  color: #fff;
  box-shadow: 0 1px 4px rgba(59,130,246,0.35);
}
.cal-label { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }

/* ── DESIGN-1: Event Card redesign ──────────────────── */
.cal-event-card {
  border-radius: var(--cal-radius-md);
  padding: 5px 8px;
  cursor: pointer;
  transition: transform var(--cal-transition), box-shadow var(--cal-transition),
              opacity var(--cal-transition);
  position: relative;
}
.cal-event-card:hover {
  transform: scale(1.015);
  box-shadow: 0 4px 14px rgba(0,0,0,0.14);
  opacity: 1 !important;
}
.cal-ev-title {
  font-size: 12.5px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}
.cal-ev-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  display: flex;
  gap: 5px;
  align-items: center;
}
/* Priority dot — replaces emoji */
.cal-ev-pri {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
  display: inline-block;
}
.cal-ev-pri-high     { background: #EF4444; }
.cal-ev-pri-medium   { background: #F59E0B; }
.cal-ev-pri-low      { background: #22C55E; }

/* Project badge pill */
.cal-ev-proj {
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 0 5px;
  font-size: 10px;
  white-space: nowrap;
  opacity: 1;
}
/* Reminder bell indicator */
.cal-ev-remind {
  font-size: 10px;
  margin-left: 3px;
  flex-shrink: 0;
  opacity: 0.85;
}

/* ── DESIGN-4: Day View polish ───────────────────────── */
.cal-day-row { transition: background var(--cal-transition); }
.cal-day-row:hover { background: var(--bg-secondary, rgba(255,255,255,0.03)); }
.cal-day-hour { font-size: 10.5px; font-weight: 500; }
.cal-day-allday { border-radius: var(--cal-radius-sm) var(--cal-radius-sm) 0 0; }

/* Current time indicator */
.cal-day-row-now { position: relative; }
.cal-day-row-now::before {
  content: '';
  position: absolute;
  left: 56px; right: 0;
  top: 0;
  height: 2px;
  background: var(--accent, #3B82F6);
  border-radius: 1px;
  z-index: 2;
}
.cal-day-row-now::after {
  content: '';
  position: absolute;
  left: 50px;
  top: -4px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent, #3B82F6);
  z-index: 2;
}

/* ── DESIGN-3: Week View polish ──────────────────────── */
.cal-day-head { transition: background var(--cal-transition); }
.cal-day-col { transition: background var(--cal-transition); }
.cal-day-col:hover { background: var(--bg-secondary, rgba(255,255,255,0.025)); }
.cal-today-col { background: rgba(59,130,246,0.05) !important; }
.cal-today-num {
  background: var(--accent, #3B82F6);
  color: #fff;
  border-radius: 50%;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
  font-size: 14px;
}

/* ── DESIGN-2: Month View polish ─────────────────────── */
.cal-month-cell { border-radius: 0; transition: background var(--cal-transition); }
.cal-today-cell { background: rgba(59,130,246,0.06) !important; }
.cal-today-cell .cal-month-daynum {
  background: var(--accent, #3B82F6);
  color: #fff;
  border-radius: 50%;
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  margin-bottom: 3px;
}
.cal-month-ev {
  border-radius: var(--cal-radius-sm);
  font-weight: 500;
}
/* Overflow badge */
.cal-month-more {
  font-size: 10px;
  color: var(--text-muted);
  padding: 0 3px;
  font-weight: 600;
}

/* ── DESIGN-10: View switch fade ─────────────────────── */
#cal-wrap {
  animation: calFadeIn 0.15s ease-out;
}
@keyframes calFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Quick-add slot — fade in on hover */
.cal-add-slot {
  transition: opacity 0.1s, color 0.1s;
  border-radius: var(--cal-radius-sm);
  font-size: 16px;
  font-weight: 300;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}

/* ── DESIGN-6: Quick Add Modal ───────────────────────── */
.qa-container {
  align-items: center;
  justify-content: center;
}
.qa-backdrop {
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.qa-modal {
  border-radius: var(--cal-radius-xl);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  animation: qaSlideIn 0.2s ease-out;
  border: 1px solid var(--border);
}
@keyframes qaSlideIn {
  from { opacity: 0; transform: scale(0.95) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.qa-header {
  border-radius: var(--cal-radius-xl) var(--cal-radius-xl) 0 0;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.01em;
}
.qa-input:focus {
  border-color: var(--accent, #3B82F6);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.qa-input, .qa-select {
  border-radius: var(--cal-radius-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.qa-footer {
  border-radius: 0 0 var(--cal-radius-xl) var(--cal-radius-xl);
  gap: 8px;
}
/* Category color swatches (for future enhancement) */
.qa-cat-swatch {
  width: 22px; height: 22px; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent; transition: border-color 0.12s, transform 0.12s;
}
.qa-cat-swatch.active, .qa-cat-swatch:hover {
  border-color: var(--text);
  transform: scale(1.15);
}

/* ── DESIGN-7: Event Detail Modal ────────────────────── */
.det-title-input {
  font-size: 15px;
  font-weight: 600;
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  color: var(--text);
  padding: 2px 4px;
  border-radius: 4px;
  transition: border-color 0.15s, background 0.15s;
  min-width: 0;
}
.det-title-input:focus {
  outline: none;
  border-bottom-color: var(--accent, #3B82F6);
  background: rgba(59,130,246,0.06);
}
.det-meta {
  display: flex; gap: 12px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-muted);
  padding: 4px 0 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.det-label {
  font-size: 11px; color: var(--text-muted);
  font-weight: 500; min-width: 80px; align-self: center;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.det-desc {
  font-size: 12px; color: var(--text-muted);
  background: var(--bg-secondary);
  border-radius: var(--cal-radius-sm);
  padding: 8px 10px; line-height: 1.5;
}
.det-desc-input {
  width: 100%; resize: vertical; min-height: 36px;
  font-size: 12px; line-height: 1.5;
  background: var(--bg-secondary, rgba(255,255,255,0.04));
  color: var(--text); border: 1px solid var(--border);
  border-radius: var(--cal-radius-sm);
  padding: 6px 8px; font-family: inherit;
}
.det-footer {
  justify-content: space-between;
}
.btn-danger {
  background: transparent;
  border: 1px solid rgba(239,68,68,0.4);
  color: #EF4444;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn-danger:hover { background: rgba(239,68,68,0.1); border-color: #EF4444; }

/* ── Custom recurrence day toggles ──────────────────── */
.det-custom-repeat {
  padding: 6px 0 2px 90px;
}
.det-days-row {
  display: flex; gap: 4px; flex-wrap: wrap;
}
.det-day-toggle {
  cursor: pointer; user-select: none;
}
.det-day-toggle input { display: none; }
.det-day-toggle span {
  display: inline-block;
  width: 32px; height: 28px;
  line-height: 28px; text-align: center;
  border-radius: 6px;
  font-size: 11px; font-weight: 600;
  background: var(--bg-secondary, rgba(255,255,255,0.06));
  border: 1px solid var(--border);
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.det-day-toggle input:checked + span {
  background: var(--accent, #3B82F6);
  border-color: var(--accent, #3B82F6);
  color: #fff;
}

/* ── Color picker row ──────────────────────────────────── */
.det-color-row {
  display: flex; gap: 5px; align-items: center; flex-wrap: wrap;
}
.det-color-swatch {
  width: 22px; height: 22px; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.12s, transform 0.12s;
  flex-shrink: 0;
}
.det-color-swatch:hover { transform: scale(1.15); }
.det-color-swatch.active { border-color: var(--text, #fff); transform: scale(1.15); }
.det-color-input {
  width: 28px !important; height: 28px; padding: 0 !important;
  border: 1px solid var(--border); border-radius: 6px;
  cursor: pointer; background: transparent;
}
.det-color-clear {
  background: none; border: 1px solid var(--border); border-radius: 50%;
  width: 22px; height: 22px; font-size: 10px; cursor: pointer;
  color: var(--text-muted); display: flex; align-items: center; justify-content: center;
  transition: background 0.12s;
}
.det-color-clear:hover { background: rgba(239,68,68,0.15); color: #EF4444; }

/* ── Mobile overrides ─────────────────────────────────── */
@media (max-width: 700px) {
  .cal-btn { padding: 5px 10px; font-size: 12px; }
  .cal-label { font-size: 14px; }
  .cal-today-num { width: 22px; height: 22px; font-size: 12px; }
  .cal-event-card:hover { transform: none; } /* no hover on touch */

  /* Modals — bottom sheet */
  .qa-container { align-items: flex-end; }
  .qa-modal {
    border-radius: var(--cal-radius-xl) var(--cal-radius-xl) 0 0;
    animation: qaSlideUp 0.25s ease-out;
    width: 100%;
    max-height: 90dvh;
    overflow-y: auto;
  }
  @keyframes qaSlideUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}