/* ================================================
   Patapuf Red Bull Tracker – styles
   ================================================ */

:root {
  --bg: #0f0f14;
  --bg-elevated: #1a1a22;
  --bg-input: #23232d;
  --border: #2e2e3a;
  --text: #f2f2f7;
  --text-dim: #9a9aae;
  --accent: #ff2a3c;        /* Red Bull červená */
  --accent-hover: #ff4757;
  --accent-muted: rgba(255, 42, 60, 0.12);
  --yellow: #ffd60a;
  --blue: #3b82f6;
  --success: #2dd881;
  --danger: #ff5063;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; font-weight: 700; }
p { margin: 0; }

/* ================================================
   Topbar
   ================================================ */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: linear-gradient(180deg, #1a1a22 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}
.topbar__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.topbar__icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, #b71c2a 100%);
  font-size: 22px;
  box-shadow: 0 4px 16px rgba(255, 42, 60, 0.35);
}
.topbar h1 {
  font-size: 18px;
  letter-spacing: 0.3px;
}
.topbar__subtitle {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

/* ================================================
   Container & Cards
   ================================================ */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card--accent {
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 42, 60, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 100% 100%, rgba(255, 214, 10, 0.08) 0%, transparent 60%),
    var(--bg-elevated);
  border-color: rgba(255, 42, 60, 0.35);
}
.card__header {
  padding: 20px 24px 0;
}
.card__header h2 {
  font-size: 17px;
}
.card__hint {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}
.card__body {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ================================================
   Dashboard (hero)
   ================================================ */
.dashboard {
  gap: 28px;
}
.dashboard__totals {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 14px;
}
.metric {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.metric__label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.metric strong {
  font-size: 26px;
  font-variant-numeric: tabular-nums;
}
.metric__sub {
  font-size: 11px;
  color: var(--text-dim);
}
.metric--hero {
  background: linear-gradient(135deg, var(--accent) 0%, #b71c2a 100%);
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(255, 42, 60, 0.3);
}
.metric--hero .metric__label,
.metric--hero .metric__sub {
  color: rgba(255, 255, 255, 0.85);
}
.metric--hero strong {
  font-size: 44px;
  color: #fff;
  line-height: 1;
}

/* ================================================
   Leaderboard
   ================================================ */
.leaderboard {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.leaderboard__title {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 12px;
}
.leaderboard__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.leaderboard__item {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}
.leaderboard__item--leader {
  border-color: var(--yellow);
  background: rgba(255, 214, 10, 0.08);
  box-shadow: 0 2px 12px rgba(255, 214, 10, 0.18);
}
.leaderboard__item--leader .leaderboard__rank {
  color: var(--yellow);
  font-weight: 800;
}
.leaderboard__item--leader .leaderboard__sold {
  color: var(--yellow);
}
.leaderboard__rank {
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  font-weight: 700;
}
.leaderboard__name-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 2px;
}
.leaderboard__name {
  font-weight: 600;
}
.leaderboard__meta {
  font-size: 11px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.leaderboard__sold {
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  color: var(--accent);
  text-align: right;
  white-space: nowrap;
}

/* ================================================
   Form fields
   ================================================ */
.grid {
  display: grid;
  gap: 14px;
}
.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="password"],
textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}
input[type="number"] { font-variant-numeric: tabular-nums; }
textarea { resize: vertical; }

/* ================================================
   Buttons
   ================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, transform 0.05s, border-color 0.15s;
  color: var(--text);
  background: var(--bg-input);
  white-space: nowrap;
}
.btn:hover { background: #2f2f3a; }
.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
}
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn--secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-dim);
}
.btn--secondary:hover { background: var(--bg-input); color: var(--text); }

.btn--ghost {
  background: transparent;
  color: var(--text-dim);
}
.btn--ghost:hover { color: var(--text); }

.btn--danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
.btn--danger:hover { background: var(--danger); color: var(--text); }

.btn--icon {
  width: 36px;
  height: 36px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border);
}
.btn--icon:hover { color: var(--danger); border-color: var(--danger); }

.btn--block { width: 100%; }

/* ================================================
   Form actions & errors
   ================================================ */
.form-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.form-error {
  color: var(--danger);
  font-size: 13px;
  margin-left: 6px;
}

/* ================================================
   Shifts list
   ================================================ */
.shifts {
  padding: 0 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.empty {
  color: var(--text-dim);
  text-align: center;
  padding: 24px 0;
}

/* ---- Single shift ---- */
.shift {
  background: #14141c;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s;
}
.shift--open { border-color: rgba(255, 42, 60, 0.4); }

.shift__header {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
}
.shift__header:hover { background: #181820; }
.shift__header h3 { font-size: 16px; }
.shift__meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

.shift__header-stats {
  display: flex;
  gap: 8px;
}
.shift__chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 80px;
}
.shift__chip span {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.shift__chip strong {
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.shift__chip--warn {
  border-color: var(--yellow);
  background: rgba(255, 214, 10, 0.08);
}
.shift__chip--warn strong {
  color: var(--yellow);
}

.shift__toggle {
  background: var(--bg-elevated);
  width: 32px;
  height: 32px;
  font-size: 18px;
  flex-shrink: 0;
}

.shift__body {
  border-top: 1px solid var(--border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.shift__section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.shift__section-title {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.shift__section-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.shift__footer {
  border-top: 1px dashed var(--border);
  padding-top: 16px;
  display: flex;
  justify-content: flex-end;
}

/* ================================================
   Bartender row
   ================================================ */
.bartender {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto;
  gap: 12px 16px;
  align-items: center;
  transition: opacity 0.15s;
}
.bartender--off {
  opacity: 0.55;
}
.bartender--off .bartender__total {
  color: var(--text-dim);
}
.bartender__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.bartender__name {
  font-size: 15px;
  font-weight: 700;
}
.bartender__total {
  font-size: 28px;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  line-height: 1.1;
}
.bartender__onshift {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  cursor: pointer;
  user-select: none;
  width: fit-content;
}
.bartender__onshift input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.bartender__controls {
  display: flex;
  gap: 8px;
  align-items: center;
}
.bartender__add-input {
  width: 110px;
}
.bartender__add-btn {
  min-width: 86px;
}
.bartender__error {
  grid-column: 1 / -1;
}

/* Entries / audit log */
.entries {
  grid-column: 1 / -1;
  list-style: none;
  padding: 10px 0 0;
  margin: 0;
  border-top: 1px dashed var(--border);
  margin-top: 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.entries__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 4px 4px 12px;
  font-size: 13px;
}
.entries__time {
  color: var(--text-dim);
  font-size: 11px;
}
.entries__amount {
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}
.entries__del {
  width: 22px;
  height: 22px;
  font-size: 14px;
  padding: 0;
  border-radius: 50%;
  border-color: transparent;
}

/* ================================================
   Login page
   ================================================ */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 42, 60, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 100%, rgba(255, 214, 10, 0.08) 0%, transparent 40%),
    var(--bg);
}
.login-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 40px 32px;
  max-width: 380px;
  width: 100%;
}
.login-logo {
  text-align: center;
  margin-bottom: 28px;
}
.login-logo__icon {
  display: inline-flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent) 0%, #b71c2a 100%);
  font-size: 32px;
  box-shadow: 0 6px 24px rgba(255, 42, 60, 0.4);
  margin-bottom: 16px;
}
.login-logo h1 {
  font-size: 22px;
  letter-spacing: 0.4px;
}
.login-subtitle {
  color: var(--text-dim);
  font-size: 13px;
  margin-top: 4px;
}
.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ================================================
   Responsive
   ================================================ */
@media (max-width: 820px) {
  .dashboard__totals {
    grid-template-columns: 1fr 1fr;
  }
  .metric--hero {
    grid-column: 1 / -1;
  }
  .shift__header {
    grid-template-columns: 1fr auto;
  }
  .shift__header-stats {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .topbar { padding: 14px 16px; }
  .topbar h1 { font-size: 16px; }
  .container { padding: 16px 12px 40px; }
  .card__header { padding: 16px 16px 0; }
  .card__body { padding: 16px; }
  .shifts { padding: 0 16px 16px; }
  .shift__body { padding: 16px; }
  .dashboard__totals { grid-template-columns: 1fr; }
  .bartender {
    grid-template-columns: 1fr;
  }
  .bartender__controls {
    justify-content: flex-end;
  }
  .shift__header {
    grid-template-columns: 1fr auto;
  }
  .shift__header-stats {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
}