/* --- BĚŽECKÝ SYSTÉM: PŮVODNÍ DESIGN --- */
:root {
  --track: #121115;
  --track2: #1B1A20;
  --track3: #26242D;
  --chalk: #F4F0E8;
  --chalk-dim: #9E9990;
  --tape: #FF5A36;
  --sage: #52B788;
  --sage-dim: rgba(82,183,136,0.15);
  --line: #2C2A34;
  --sky: #56CFE1;
  --strength: #B5838D;
  --gold: #FFB703;
  --cross: #38A3A5;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  background: #0A090C;
}

body {
  margin: 0;
  background: var(--track);
  color: var(--chalk);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  padding-bottom: 90px;
}

@media (min-width: 700px) {
  #app-content {
    max-width: 660px;
    margin: 0 auto;
    box-shadow: 0 0 80px rgba(0,0,0,0.65);
  }
}

/* HLAVIČKA A HERO KARTA */
header {
  padding: 16px 16px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-branding h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.4px;
}

.app-branding p {
  margin: 2px 0 0;
  color: var(--chalk-dim);
  font-size: 11.5px;
}

.hero-card {
  margin: 6px 16px 14px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(255,183,3,0.12) 0%, rgba(255,90,54,0.08) 100%);
  border: 1px solid rgba(255,183,3,0.3);
  border-radius: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-info .hero-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gold);
}

.hero-info .hero-title {
  font-size: 17px;
  font-weight: 800;
  margin-top: 2px;
}

.hero-info .hero-sub {
  font-size: 11.5px;
  color: var(--chalk-dim);
  margin-top: 2px;
}

.hero-countdown {
  text-align: right;
}

.hero-countdown .hc-num {
  font-size: 24px;
  font-weight: 900;
  color: var(--chalk);
  line-height: 1;
}

.hero-countdown .hc-label {
  font-size: 10px;
  color: var(--chalk-dim);
  margin-top: 3px;
}

/* ČIPY ZÁVODŮ */
.chips {
  display: flex;
  gap: 8px;
  margin: 0 16px 12px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.chip {
  flex-shrink: 0;
  padding: 8px 12px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--chalk);
  background: var(--track2);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.chip .order {
  color: var(--tape);
  margin-right: 4px;
}

.chip .sub {
  display: block;
  font-weight: 400;
  font-size: 10px;
  color: var(--chalk-dim);
  margin-top: 2px;
}

/* TÝDENNÍ BLOKY */
.weeks {
  padding: 0 16px;
}

.phase-heading {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--chalk-dim);
  margin: 22px 0 8px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.week-block {
  margin-bottom: 12px;
  padding: 12px;
  background: var(--track2);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color 0.2s;
}

.week-block.current-week {
  border: 2px solid var(--tape);
  background: linear-gradient(180deg, rgba(255,90,54,0.06) 0%, var(--track2) 100%);
  box-shadow: 0 4px 20px rgba(255,90,54,0.12);
}

.week-block.race-final {
  border: 2px solid var(--gold);
  background: linear-gradient(180deg, rgba(255,183,3,0.12) 0%, var(--track2) 100%);
}

.week-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.wh-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.wk-date {
  font-size: 13px;
  font-weight: 800;
  color: var(--chalk);
}

.current-badge {
  font-size: 9.5px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--tape);
  background: rgba(255,90,54,0.15);
  padding: 2px 7px;
  border-radius: 6px;
}

.wh-right {
  text-align: right;
}

.wk-num {
  font-size: 10px;
  color: var(--chalk-dim);
  font-weight: 600;
}

.wk-total {
  font-size: 10.5px;
  color: var(--sage);
  font-weight: 700;
  margin-left: 6px;
}

.week-progress-mini {
  height: 3px;
  background: var(--track3);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 10px;
}

.week-progress-mini-fill {
  height: 100%;
  background: var(--sage);
  border-radius: 2px;
  transition: width 0.3s;
}

.skip-week-btn {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 0;
  background: none;
  border: none;
  color: var(--chalk-dim);
  font-size: 10px;
  text-decoration: underline;
  cursor: pointer;
}

/* KARTA TRÉNINKU */
.sessions-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.session {
  background: var(--track);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  transition: transform 0.1s, border-color 0.2s;
}

.session:active {
  transform: scale(0.99);
}

.session.state-done {
  border-color: rgba(82,183,136,0.5);
  background: rgba(82,183,136,0.03);
}

.session.state-missed {
  border-color: rgba(255,90,54,0.5);
  opacity: 0.65;
}

.s-left {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.s-badge-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}

.s-tag {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--track3);
  color: var(--chalk-dim);
}

.tag-easy { color: var(--sky); background: rgba(86,207,225,0.12); }
.tag-long { color: #FFD166; background: rgba(255,209,102,0.12); }
.tag-tempo { color: var(--tape); background: rgba(255,90,54,0.12); }
.tag-interval { color: #F72585; background: rgba(247,37,133,0.12); }
.tag-strength { color: var(--strength); background: rgba(181,131,141,0.15); }
.tag-cross { color: var(--cross); background: rgba(56,163,165,0.15); }
.tag-race { color: var(--gold); background: rgba(255,183,3,0.18); }

.s-title {
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.25;
}

.s-meta {
  font-size: 10.5px;
  color: var(--chalk-dim);
  margin-top: 2px;
  line-height: 1.3;
}

.s-log-badge {
  margin-top: 4px;
  display: inline-block;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--sage);
  background: var(--sage-dim);
  padding: 2px 7px;
  border-radius: 5px;
}

.s-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.s-dist-target {
  font-size: 15px;
  font-weight: 900;
  text-align: right;
  line-height: 1;
}

.s-dist-target span {
  display: block;
  font-size: 8.5px;
  color: var(--chalk-dim);
  font-weight: 500;
}

/* TLAČÍTKA SPLNĚNÍ */
.s-actions {
  display: flex;
  gap: 6px;
}

.s-btn {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--track2);
  color: var(--chalk-dim);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.s-btn.yes:active {
  transform: scale(0.92);
}

.s-btn.yes.active {
  background: var(--sage);
  border-color: var(--sage);
  color: #fff;
}

.s-btn.no.active {
  background: var(--tape);
  border-color: var(--tape);
  color: #fff;
}

.add-extra-btn {
  width: 100%;
  margin-top: 8px;
  padding: 8px;
  background: none;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--chalk-dim);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}

/* SPODNÍ NAVIGAČNÍ LIŠTA */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 60px;
  background: rgba(18, 17, 21, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: center; /* Vystředí vnitřní obsah */
  align-items: center;
  z-index: 90;
  margin: 0;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* VNITŘNÍ OBSAH - CENTROVANÝ A SLADĚNÝ SE ŠÍŘKOU APLIKACE */
.nav-inner {
  width: 100%;
  max-width: 660px; /* Stejná šířka jako hlavní obsah aplikace */
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 100%;
}

.nav-item {
  background: none;
  border: none;
  color: var(--chalk-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  padding: 6px 12px;
}

.nav-item.active {
  color: var(--chalk);
}

.nav-icon {
  font-size: 17px;
}

/* MODÁLY A FORMULÁŘE */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8,8,9,0.92);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
}

.modal-overlay.open {
  display: flex;
}

.modal-box {
  width: 100%;
  max-width: 540px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--track2);
  border: 1px solid var(--line);
  border-radius: 18px 18px 0 0;
  padding: 18px 16px 30px;
}

@media (min-width: 540px) {
  .modal-overlay {
    align-items: center;
  }
  .modal-box {
    border-radius: 18px;
    max-height: 84vh;
  }
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.modal-head h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--track);
  border: 1px solid var(--line);
  color: var(--chalk-dim);
  cursor: pointer;
  font-size: 14px;
}

.field {
  margin-top: 10px;
}

.field label {
  display: block;
  font-size: 11px;
  color: var(--chalk-dim);
  margin-bottom: 4px;
  font-weight: 600;
}

.field input,
.field select {
  width: 100%;
  padding: 9px 12px;
  background: var(--track);
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--chalk);
  font-size: 13.5px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hint {
  font-size: 10px;
  color: var(--chalk-dim);
  margin-top: 3px;
}

.quick-fill-btn {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
  background: rgba(82,183,136,0.12);
  border: 1px solid var(--sage);
  border-radius: 9px;
  color: var(--sage);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

button.primary {
  width: 100%;
  padding: 12px;
  background: var(--sage);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 12px;
}

.btn-row {
  display: flex;
  gap: 8px;
}

.btn-row button.primary {
  flex: 1;
}

.btn-row button.cancel {
  padding: 12px 14px;
  background: var(--track);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--chalk-dim);
  font-size: 13px;
  cursor: pointer;
  margin-top: 12px;
}

.splits-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 11.5px;
}

.splits-table th,
.splits-table td {
  padding: 6px 8px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.splits-table th {
  color: var(--chalk-dim);
  font-weight: 600;
}

.splits-table td.highlight {
  color: var(--gold);
  font-weight: 700;
}

.detail-block {
  margin-top: 10px;
  padding: 10px;
  background: var(--track);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.detail-block h4 {
  margin: 0 0 4px;
  font-size: 11px;
  color: var(--sage);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.detail-block p,
.detail-block ul {
  margin: 0;
  font-size: 11.5px;
  color: var(--chalk);
  line-height: 1.45;
  padding-left: 0;
  list-style-position: inside;
}

.detail-block li {
  margin-bottom: 4px;
}

/* PŘIHLAŠOVACÍ OKNO */
#login-overlay {
  position: fixed;
  inset: 0;
  background: var(--track);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
}

.login-box {
  width: 100%;
  max-width: 320px;
  text-align: center;
}

.login-box h2 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 900;
}

.login-box p {
  color: var(--chalk-dim);
  font-size: 12.5px;
  margin: 0 0 16px;
}

.login-box input {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--track2);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--chalk);
  font-size: 13.5px;
}

.login-box button {
  width: 100%;
  padding: 11px;
  background: var(--tape);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

#login-error {
  color: var(--tape);
  font-size: 12px;
  margin-top: 8px;
  min-height: 16px;
}

.login-links {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 11px;
}

.login-links a {
  color: var(--chalk-dim);
  text-decoration: underline;
  cursor: pointer;
}

.sync-pill {
  display: inline-block;
  font-size: 9.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid var(--line);
  color: var(--chalk-dim);
}

.sync-pill.ok {
  color: var(--sage);
  border-color: var(--sage);
}

.sync-pill.warn {
  color: var(--tape);
  border-color: var(--tape);
}