/* ============ PROMENNE / TEMA ============ */
:root {
  --bg: #0e1626;
  --bg-panel: #131d30;
  --bg-card: #1a2740;
  --bg-card-hover: #1f2e4d;
  --bg-input: #0c1322;
  --border: #243250;
  --text: #e8edf5;
  --text-dim: #8a97ad;
  --text-faint: #5e6b82;
  --blue: #3b82f6;
  --blue-soft: #1e3a5f;
  --green: #22c55e;
  --green-soft: #14361f;
  --purple: #a855f7;
  --purple-soft: #3a1f52;
  --red: #ef4444;
  --red-soft: #3f1d1d;
  --yellow: #fbbf24;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 18px rgba(0,0,0,.35);
}
[data-theme="light"] {
  --bg: #f2f4f8;
  --bg-panel: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f6f8fc;
  --bg-input: #f0f3f8;
  --border: #dde3ed;
  --text: #1a2234;
  --text-dim: #5e6b82;
  --text-faint: #98a3b6;
  --blue-soft: #dceafe;
  --green-soft: #d9f5e3;
  --purple-soft: #f0e2fc;
  --red-soft: #fde2e2;
  --shadow: 0 4px 18px rgba(20,30,60,.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 15px;
}

/* ============ HLAVICKA ============ */
.app-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--bg); z-index: 50;
}
.header-left { display: flex; align-items: center; gap: 14px; }
.logo-box {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--bg-card); display: flex; align-items: center;
  justify-content: center; font-size: 20px; border: 1px solid var(--border);
}
.header-title h1 { font-size: 22px; font-weight: 700; }
.header-stats { font-size: 12.5px; color: var(--text-dim); margin-top: 2px; }
.header-actions { display: flex; align-items: center; gap: 10px; }

/* ============ TLACITKA ============ */
.btn {
  font: inherit; cursor: pointer; border: 1px solid transparent;
  border-radius: var(--radius-sm); padding: 9px 14px; color: var(--text);
  background: transparent; display: inline-flex; align-items: center; gap: 6px;
  transition: .14s; white-space: nowrap;
}
.btn-ghost { background: var(--bg-card); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-card-hover); }
.btn-primary { background: var(--blue); color: #fff; font-weight: 600; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-icon { background: var(--bg-card); border-color: var(--border); padding: 9px 11px; }
.btn-sm { padding: 6px 11px; font-size: 13px; }

/* ============ LAYOUT ============ */
.layout {
  display: grid; grid-template-columns: 240px 1fr 280px;
  gap: 18px; padding: 18px 22px; align-items: start;
}
.panel { background: transparent; }
.panel-label {
  font-size: 11px; letter-spacing: 1.5px; color: var(--text-faint);
  font-weight: 600; margin-bottom: 12px;
}

/* ============ LEVY PANEL: KLIENTI ============ */
.panel-clients { position: sticky; top: 88px; }
.client-list { display: flex; flex-direction: column; gap: 10px; max-height: calc(100vh - 130px); overflow-y: auto; padding-right: 4px; }
.client-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; cursor: pointer; transition: .14s;
}
.client-item:hover { background: var(--bg-card-hover); }
.client-item.active { border-color: var(--blue); }
.client-name { font-weight: 600; font-size: 15px; }
.client-sub { font-size: 12.5px; color: var(--text-dim); margin-top: 3px; }

/* ============ DENNI KARTY ============ */
.day-card { border-radius: var(--radius); margin-bottom: 18px; overflow: hidden; border: 1px solid var(--border); }
.day-today { background: linear-gradient(180deg, rgba(251,191,36,.10), transparent 60%); border-color: rgba(251,191,36,.4); }
.day-tomorrow { background: linear-gradient(180deg, rgba(168,85,247,.10), transparent 60%); border-color: rgba(168,85,247,.35); }
.day-head { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 14px; padding: 18px 20px; }
.day-title { font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.day-today .day-title span { color: var(--yellow); }
.day-tomorrow .day-title span { color: var(--purple); }
.day-meta { grid-column: 1; grid-row: 2; font-size: 13px; color: var(--text-dim); margin-top: -8px; }
.day-total {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 8px 14px; font-weight: 700; font-size: 17px; text-align: center;
}
.day-tasks { display: flex; flex-direction: column; gap: 10px; padding: 0 16px 16px; }
.day-tasks:empty::after { content: "Žádné úkoly"; color: var(--text-faint); font-size: 13px; padding: 4px 4px 12px; }

/* ============ KARTA UKOLU ============ */
.task {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
  display: flex; align-items: center; gap: 12px; position: relative;
  border-left: 4px solid transparent; transition: .14s;
}
.task:hover { background: var(--bg-card-hover); }
.task.urg-1 { border-left-color: var(--green); }
.task.urg-2 { border-left-color: var(--purple); }
.task.urg-3 { border-left-color: var(--red); }
.task.done { opacity: .55; }
.task.done .task-desc { text-decoration: line-through; }

.task-check { width: 20px; height: 20px; flex-shrink: 0; cursor: pointer; accent-color: var(--blue); }
.task-drag { color: var(--text-faint); cursor: grab; font-size: 16px; flex-shrink: 0; }
.task-main { flex: 1; min-width: 0; }
.task-desc { font-weight: 600; font-size: 15.5px; }
.task-line { display: flex; align-items: center; gap: 12px; margin-top: 6px; flex-wrap: wrap; font-size: 13px; color: var(--text-dim); }
.task-overdue { color: var(--red); font-weight: 600; }
.task-due-ok { color: var(--text-dim); }

/* stitky */
.tag { font-size: 12px; padding: 3px 9px; border-radius: 8px; font-weight: 600; }
.tag-client { background: var(--bg-input); color: var(--text-dim); }
.tag-cat-pracovni { background: var(--blue-soft); color: #93c5fd; }
.tag-cat-osobni { background: var(--purple-soft); color: #d8b4fe; }
.tag-cat-volat { background: var(--green-soft); color: #86efac; }

.task-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.cat-pill { font-size: 12.5px; padding: 5px 11px; border-radius: 9px; font-weight: 600; display: inline-flex; gap: 5px; }
.urg-dot { width: 13px; height: 13px; border-radius: 50%; display: inline-block; }
.urg-dot.u1 { background: var(--green); }
.urg-dot.u2 { background: var(--purple); }
.urg-dot.u3 { background: var(--red); }

.task-actions { display: flex; gap: 6px; }
.icon-btn {
  width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg-input); color: var(--text-dim); cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 15px; transition: .14s;
}
.icon-btn:hover { color: var(--text); background: var(--bg-card-hover); }
.icon-btn.active { color: var(--yellow); border-color: var(--yellow); }
.icon-btn.danger:hover { color: var(--red); border-color: var(--red); }

/* badge dnes/zitra na karte */
.plan-badge { font-size: 12px; padding: 4px 10px; border-radius: 8px; font-weight: 600; }
.plan-today { background: rgba(251,191,36,.15); color: var(--yellow); }
.plan-tomorrow { background: rgba(168,85,247,.15); color: var(--purple); }

/* ============ HLEDANI / FILTRY ============ */
.search-bar { display: flex; gap: 10px; margin-bottom: 14px; }
.search-bar input {
  flex: 1; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 16px; color: var(--text); font: inherit;
}
.filters { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-sep { width: 1px; height: 24px; background: var(--border); }
.chip {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px;
  padding: 8px 14px; color: var(--text-dim); cursor: pointer; font: inherit; font-size: 13.5px; transition: .14s;
}
.chip:hover { color: var(--text); }
.chip.active { color: var(--text); border-color: var(--blue); background: var(--blue-soft); }
.chip.chip-urg[data-urg="2"].active { border-color: var(--purple); background: var(--purple-soft); }

.export-row { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; font-size: 13px; color: var(--text-dim); }

/* ============ SEZNAM UKOLU ============ */
.task-list { display: flex; flex-direction: column; gap: 10px; }

/* ============ ARCHIV ============ */
.archive { margin-top: 22px; }
.archive-head {
  width: 100%; text-align: left; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px; color: var(--text); font: inherit;
  font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: 10px;
}
.badge { background: var(--bg-input); border-radius: 20px; padding: 2px 10px; font-size: 13px; color: var(--text-dim); }

/* ============ PRAVY PANEL: STATISTIKY ============ */
.panel-stats { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 20px; }
.stat-block {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
}
.stat-row { display: flex; justify-content: space-between; align-items: center; padding: 9px 12px; border-radius: var(--radius-sm); margin-bottom: 6px; }
.stat-row b { font-size: 22px; font-weight: 700; }
.stat-row span { font-size: 14px; }
.stat-green { background: var(--green-soft); color: #86efac; }
.stat-blue { background: var(--blue-soft); color: #93c5fd; }
.stat-purple { background: var(--purple-soft); color: #d8b4fe; }
.stat-tasks { background: rgba(180,83,9,.25); color: #fdba74; }
.stat-calls { background: var(--green-soft); color: #86efac; }
.stat-week { background: var(--blue-soft); color: #93c5fd; }
.stat-time { background: rgba(8,145,178,.2); color: #67e8f9; }

/* ============ MODALY ============ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(3px);
  display: flex; align-items: flex-start; justify-content: center; z-index: 100; padding: 40px 16px; overflow-y: auto;
}
.modal { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 18px; width: 100%; max-width: 560px; box-shadow: var(--shadow); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 20px 22px; border-bottom: 1px solid var(--border); }
.modal-head h2 { font-size: 20px; }
.modal-head small { color: var(--text-dim); font-weight: 400; font-size: 13px; margin-left: 6px; }
.modal-body { padding: 22px; display: flex; flex-direction: column; gap: 18px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 22px; border-top: 1px solid var(--border); }

/* formular */
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; }
.field label .req { color: var(--blue); }
.field input[type=text], .field input[type=tel], .field input[type=date], .field textarea, .field select {
  width: 100%; background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px; color: var(--text); font: inherit;
}
.field textarea { resize: vertical; min-height: 80px; }
.field-hint { font-size: 12px; color: var(--text-faint); margin-top: 5px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.seg-btn {
  background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 16px 10px; text-align: center; cursor: pointer; color: var(--text-dim); font: inherit; transition: .14s;
}
.seg-btn .seg-icon { font-size: 20px; display: block; margin-bottom: 6px; }
.seg-btn:hover { color: var(--text); }
.seg-btn.active { color: var(--text); border-color: var(--blue); }
.seg-btn.active[data-cat=pracovni] { border-color: var(--blue); background: var(--blue-soft); }
.seg-btn.active[data-cat=osobni] { border-color: var(--purple); background: var(--purple-soft); }
.seg-btn.active[data-cat=volat] { border-color: var(--green); background: var(--green-soft); }
.seg-btn.active[data-urg="1"] { border-color: var(--green); background: var(--green-soft); }
.seg-btn.active[data-urg="2"] { border-color: var(--purple); background: var(--purple-soft); }
.seg-btn.active[data-urg="3"] { border-color: var(--red); background: var(--red-soft); }
.seg-btn.active[data-plan] { border-color: var(--blue); background: var(--blue-soft); }

/* sprava klientu */
.client-row { display: flex; align-items: center; justify-content: space-between; padding: 14px 4px; border-bottom: 1px solid var(--border); }
.client-row-name { font-weight: 600; }
.client-row-actions { display: flex; align-items: center; gap: 10px; }
.client-row-count { font-size: 12.5px; color: var(--text-dim); background: var(--bg-input); padding: 4px 10px; border-radius: 20px; }
.add-client { width: 100%; }
.add-client label { font-size: 12px; color: var(--text-dim); display: block; margin-bottom: 8px; }
.add-client-row { display: flex; gap: 10px; }
.add-client-row input { flex: 1; background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; color: var(--text); font: inherit; }
.modal-foot-client { flex-direction: column; align-items: stretch; }

/* ============ MOBIL ============ */
@media (max-width: 1000px) {
  .layout { grid-template-columns: 1fr; }
  .panel-clients, .panel-stats { position: static; }
  .panel-clients { order: 3; }
  .panel-stats { order: 2; }
  .client-list { flex-direction: row; overflow-x: auto; }
  .client-item { min-width: 160px; }
}
@media (max-width: 640px) {
  .app-header { flex-wrap: wrap; gap: 10px; }
  .header-actions { width: 100%; flex-wrap: wrap; }
  .header-actions .btn { flex: 1; justify-content: center; }
  .field-row { grid-template-columns: 1fr; }
  .task { flex-wrap: wrap; }
  .day-head { grid-template-columns: 1fr auto; }
}