:root {
  color-scheme: light;
  --bg: #f4f6f3;
  --surface: #ffffff;
  --primary: #245b49;
  --primary-soft: #dcebe4;
  --blue: #4267a9;
  --text: #17211d;
  --muted: #65716b;
  --border: #d3dad5;
  --danger: #a83f42;
  --shadow: 0 10px 30px rgba(32, 70, 56, .08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }

.auth-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(320px, 1fr) minmax(360px, 520px); }
.auth-brand { padding: clamp(32px, 8vw, 100px); background: var(--primary); color: #fff; display: flex; flex-direction: column; justify-content: space-between; }
.brand-mark { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 20px; background: rgba(255,255,255,.14); font-size: 34px; }
.auth-brand h1 { max-width: 620px; margin: 32px 0 14px; font-size: clamp(36px, 5vw, 68px); line-height: 1; }
.auth-brand p { max-width: 560px; color: rgba(255,255,255,.78); font-size: 18px; }
.auth-panel { padding: 36px clamp(24px, 6vw, 72px); display: grid; align-content: center; background: var(--surface); }
.auth-card { width: 100%; max-width: 430px; margin: auto; }
.auth-card h2 { margin: 0 0 8px; font-size: 30px; }
.auth-card > p { color: var(--muted); margin: 0 0 28px; }
.field { display: grid; gap: 7px; margin: 14px 0; }
.field span { color: var(--muted); font-size: 13px; font-weight: 650; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--border); border-radius: 9px; padding: 13px 14px; background: #fff; color: var(--text); outline: none; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(36,91,73,.11); }
.primary-button, .secondary-button, .icon-button { border: 0; border-radius: 9px; min-height: 46px; padding: 0 18px; font-weight: 700; }
.primary-button { width: 100%; background: var(--primary); color: #fff; }
.secondary-button { background: var(--primary-soft); color: var(--primary); }
.text-button { border: 0; color: var(--primary); background: transparent; padding: 10px 0; font-weight: 650; }
.form-message { min-height: 22px; color: var(--danger); font-size: 13px; margin-top: 10px; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 240px minmax(0, 1fr); }
.sidebar { padding: 26px 18px; background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: 24px; }
.logo { display: flex; align-items: center; gap: 11px; font-weight: 800; color: var(--primary); padding: 0 8px; }
.logo-badge { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: var(--primary); }
.nav { display: grid; gap: 6px; }
.nav button { display: flex; gap: 12px; align-items: center; border: 0; background: transparent; color: var(--muted); border-radius: 9px; padding: 12px; text-align: left; }
.nav button.active { background: var(--primary-soft); color: var(--primary); font-weight: 750; }
.sidebar-footer { margin-top: auto; padding: 12px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.main { min-width: 0; padding: 26px clamp(16px, 3vw, 42px) 90px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.topbar h1 { margin: 0; font-size: clamp(24px, 4vw, 34px); }
.profile-chip { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--border); padding: 7px 12px 7px 7px; border-radius: 30px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--blue); font-weight: 800; }

.week-head { display: grid; grid-template-columns: 44px 1fr 44px; align-items: center; gap: 12px; margin-bottom: 14px; }
.week-title { text-align: center; font-weight: 750; }
.icon-button { width: 44px; padding: 0; background: #fff; color: var(--primary); border: 1px solid var(--border); }
.week-grid { display: grid; grid-template-columns: repeat(7, minmax(74px, 1fr)); gap: 9px; overflow-x: auto; padding-bottom: 6px; }
.day-tile { min-height: 112px; border: 1px solid var(--border); border-radius: 8px; background: #fff; padding: 9px; color: var(--text); text-align: left; position: relative; }
.day-tile.selected { border: 2px solid var(--primary); box-shadow: 0 5px 18px rgba(36,91,73,.11); }
.day-tile.past { background: #ecefed; color: var(--muted); }
.day-name { font-size: 12px; color: var(--muted); }
.day-date { font-size: 23px; font-weight: 800; }
.mini-track { position: absolute; inset: 49px 8px 8px; border-left: 2px solid #edf0ee; }
.mini-session { position: absolute; left: 4px; right: 1px; min-height: 4px; border-radius: 3px; background: #4f7cac; }
.mini-session.busy { background: #9aa29e; }

.agenda { margin-top: 18px; display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 18px; }
.agenda-card, .summary-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); }
.card-head { padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.card-head h2 { margin: 0; font-size: 19px; }
.timeline { position: relative; min-height: 630px; padding: 10px 14px 18px 68px; }
.hour { height: 42px; border-top: 1px solid #edf0ee; position: relative; }
.hour span { position: absolute; left: -54px; top: -9px; color: var(--muted); font-size: 11px; }
.session-card { position: absolute; left: 78px; right: 16px; border-left: 5px solid #4f7cac; border-radius: 6px; padding: 8px 10px; background: #e8eff7; overflow: hidden; }
.session-card strong { display: block; font-size: 13px; }
.session-card small { color: var(--muted); }
.session-card.busy { background: #eceeed; border-left-color: #848d88; }
.session-card.cancelled { background: #fff; border: 1px solid #aeb5b1; text-decoration: line-through; opacity: .72; }
.floating-add { position: absolute; right: 20px; bottom: 20px; width: 54px; height: 54px; border: 0; border-radius: 50%; background: var(--primary); color: #fff; font-size: 28px; box-shadow: 0 8px 22px rgba(36,91,73,.3); }
.summary-card { padding: 18px; align-self: start; }
.summary-card h3 { margin: 0 0 16px; }
.metric { padding: 13px 0; border-bottom: 1px solid var(--border); }
.metric:last-child { border: 0; }
.metric b { display: block; font-size: 24px; color: var(--primary); }
.metric span { color: var(--muted); font-size: 12px; }
.empty-panel { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 36px; color: var(--muted); text-align: center; }
.mobile-nav { display: none; }

.modal-backdrop { position: fixed; z-index: 100; inset: 0; background: rgba(12,24,19,.48); display: grid; place-items: center; padding: 18px; }
.modal { width: min(560px, 100%); max-height: min(820px, 92vh); overflow: auto; background: #fff; border-radius: 12px; box-shadow: 0 24px 80px rgba(0,0,0,.24); }
.modal > header { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--border); background: #fff; }
.modal h2 { margin: 0; font-size: 21px; }
.modal-close { border: 0; background: transparent; font-size: 28px; color: var(--muted); }
.modal-body { padding: 18px; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.choice-card { min-height: 130px; display: grid; align-content: center; gap: 8px; border: 1px solid var(--border); border-radius: 10px; background: #fff; text-align: left; padding: 18px; }
.choice-card:hover { border-color: var(--primary); background: var(--primary-soft); }
.choice-card span, .template-card small, .person-card small { display: block; color: var(--muted); font-size: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.toolbar { display: flex; gap: 12px; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.toolbar input { min-height: 44px; flex: 1; max-width: 440px; border: 1px solid var(--border); border-radius: 9px; padding: 0 13px; }
.card-list { display: grid; gap: 9px; }
.person-card, .template-card { display: flex; align-items: center; gap: 13px; width: 100%; padding: 15px 17px; border: 1px solid var(--border); border-radius: 9px; background: #fff; text-align: left; }
.person-card > span:nth-child(2), .template-card > div { flex: 1; }
.person-card i { font-size: 26px; color: var(--muted); }
.color-dot { width: 18px; height: 18px; flex: 0 0 18px; border-radius: 50%; background: #527eb1; }
.color-dot.c1 { background: #c36d5f; } .color-dot.c2 { background: #9271b1; } .color-dot.c3 { background: #4e9477; } .color-dot.c4 { background: #c09342; } .color-dot.c5 { background: #b05d85; }
.profile-card { padding: 22px; background: #fff; border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); }
.profile-title { display: flex; align-items: center; gap: 14px; }
.profile-title .color-dot { width: 30px; height: 30px; flex-basis: 30px; }
.profile-title h2, .profile-title p { margin: 0 0 5px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 22px 0; }
.stats-grid > div { border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.stats-grid b { display: block; color: var(--primary); font-size: 22px; }
.stats-grid span { color: var(--muted); font-size: 11px; }
.action-row { display: flex; flex-wrap: wrap; gap: 9px; }
.history-list { display: grid; gap: 8px; }
.history-list article { display: grid; gap: 4px; padding: 13px 15px; background: #fff; border: 1px solid var(--border); border-radius: 8px; }
.history-list span, .history-list small { color: var(--muted); }
.section-title { margin-top: 26px; }
.plain-plan { margin: 14px 0; padding: 10px 14px; background: var(--bg); border-radius: 8px; }
.status-pill { display: inline-block; padding: 5px 9px; border-radius: 20px; color: var(--primary); background: var(--primary-soft); font-size: 12px; font-weight: 700; }
.qr-box { text-align: center; }
.qr-box svg { width: min(320px, 100%); height: auto; }
.qr-box input { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px; }
.session-actions { margin-top: 18px; }
.program-modal { width: min(900px, 100%); }
.program-tools { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 16px; color: var(--muted); font-size: 12px; }
.round-add { width: 38px; height: 38px; border: 0; border-radius: 50%; color: #fff; font-size: 22px; }
.round-add.green { background: var(--primary); } .round-add.blue { background: var(--blue); }
.exercise-blocks { display: grid; gap: 7px; margin-bottom: 18px; }
.exercise-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(130px, .7fr) 34px 34px 34px; gap: 6px; align-items: stretch; border: 1px solid #aeb8b2; border-radius: 5px; background: #fff; overflow: hidden; }
.exercise-name, .exercise-values { padding: 9px 10px; border-right: 1px solid var(--border); }
.exercise-name small { display: block; color: var(--muted); }
.exercise-values { color: var(--muted); font-size: 12px; }
.exercise-row > button { border: 0; background: #f4f6f3; font-size: 18px; }
.exercise-row em { grid-column: 1 / -1; padding: 3px 10px 6px; color: var(--muted); font-size: 11px; font-style: normal; }
.library-search { width: 100%; min-height: 44px; border: 1px solid var(--border); border-radius: 8px; padding: 0 12px; margin-bottom: 10px; }
.library-list { display: grid; gap: 5px; max-height: 55vh; overflow: auto; }
.library-list button { display: grid; gap: 3px; border: 1px solid var(--border); border-radius: 7px; background: #fff; padding: 11px; text-align: left; }
.library-list small { color: var(--muted); }
.param-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }

@media (max-width: 900px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-brand { min-height: 250px; padding: 28px; }
  .auth-brand h1 { font-size: 38px; margin-top: 24px; }
  .auth-brand p { font-size: 15px; }
  .app-shell { display: block; }
  .sidebar { display: none; }
  .main { padding-top: 18px; }
  .agenda { grid-template-columns: 1fr; }
  .summary-card { order: -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .summary-card h3 { grid-column: 1 / -1; }
  .metric { border: 0; padding: 4px; }
  .week-grid { grid-template-columns: repeat(7, minmax(62px, 1fr)); gap: 6px; }
  .day-tile { min-height: 96px; padding: 7px; }
  .mobile-nav { position: fixed; z-index: 20; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-top: 1px solid var(--border); padding: 5px max(8px, env(safe-area-inset-right)) calc(5px + env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left)); }
  .mobile-nav button { border: 0; background: transparent; color: var(--muted); padding: 8px 3px; font-size: 11px; }
  .mobile-nav button.active { color: var(--primary); font-weight: 800; }
}

@media (max-width: 580px) {
  .profile-chip span { display: none; }
  .week-grid { scrollbar-width: none; }
  .day-tile { min-width: 62px; }
  .day-date { font-size: 19px; }
  .timeline { min-height: 588px; }
  .hour { height: 39px; }
  .choice-grid, .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .toolbar input { max-width: none; }
  .exercise-row { grid-template-columns: minmax(0, 1fr) 32px 32px 32px; }
  .exercise-values { grid-column: 1 / -1; grid-row: 2; border-top: 1px solid var(--border); border-right: 0; }
  .param-grid { grid-template-columns: 1fr; }
}