:root {
  color-scheme: light;
  --green-950: #082a1b;
  --green-900: #0b3b25;
  --green-800: #115934;
  --green-700: #0b7a3b;
  --green-600: #0f9d4d;
  --green-100: #daf4e4;
  --green-50: #effaf3;
  --ink: #17231d;
  --muted: #64736b;
  --line: #dfe8e2;
  --surface: #fff;
  --canvas: #f5f8f6;
  --amber: #c97905;
  --amber-bg: #fff3d6;
  --danger: #b42318;
  --shadow: 0 16px 45px rgba(19, 58, 35, .09);
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
.app-shell { min-height: 100vh; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 20;
  display: flex;
  width: 270px;
  flex-direction: column;
  padding: 28px 20px;
  color: #eaf8ef;
  background: linear-gradient(180deg, rgba(8, 42, 27, .97), rgba(7, 33, 22, .99)), url("./kfmfondoazul.png") center / cover;
  transition: width .22s ease, padding .22s ease, transform .22s ease;
}
.brand { display: flex; align-items: center; gap: 12px; margin: 0 8px 38px; font-size: 17px; letter-spacing: -.02em; }
.brand img { width: 44px; height: 44px; object-fit: contain; filter: drop-shadow(0 6px 12px rgba(0,0,0,.2)); }
.brand strong { color: #72e79d; }
.sidebar-nav { display: grid; gap: 8px; }
.nav-link { display: flex; align-items: center; gap: 13px; padding: 13px 15px; border-radius: 12px; color: #bcd4c5; transition: .18s ease; }
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(93, 224, 139, .15); transform: translateX(2px); }
.nav-icon { display: grid; width: 24px; place-items: center; font-size: 20px; }
.sidebar-hide-button { display: grid; width: 38px; height: 38px; flex: 0 0 38px; align-self: flex-end; margin-top: auto; place-items: center; padding: 7px; border: 1px solid rgba(255,255,255,.16); border-radius: 9px; color: #dce9ff; background: rgba(255,255,255,.08); cursor: pointer; }
.sidebar-hide-button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.7; stroke-linecap: round; stroke-linejoin: round; }
.sidebar-hide-button:hover { color: #fff; background: rgba(112,168,255,.18); }

.page { min-height: 100vh; margin-left: 270px; transition: margin-left .22s ease; }
.topbar { display: flex; min-height: 94px; align-items: center; gap: 18px; padding: 18px clamp(24px, 4vw, 58px); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.9); backdrop-filter: blur(14px); }
.topbar h1 { margin: 1px 0 0; font-size: 21px; letter-spacing: -.03em; }
.eyebrow { margin: 0; color: var(--green-700); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.data-pill { margin-left: auto; padding: 9px 13px; border-radius: 999px; color: var(--green-800); background: var(--green-50); font-size: 12px; font-weight: 700; }
.menu-button { display: none; border: 0; background: transparent; font-size: 24px; cursor: pointer; }
main { padding: 38px clamp(24px, 4vw, 58px) 70px; }
.view { display: none; max-width: 1400px; margin: 0 auto; animation: appear .25s ease; outline: none; }
.view.active { display: block; }
@keyframes appear { from { opacity: 0; transform: translateY(5px); } }

.hero-card { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(220px, .5fr); overflow: hidden; min-height: 285px; padding: clamp(30px, 5vw, 62px); border-radius: 26px; color: #fff; background: radial-gradient(circle at 85% 25%, rgba(80, 218, 130, .35), transparent 27%), linear-gradient(135deg, var(--green-950), var(--green-800)); box-shadow: var(--shadow); }
.hero-card h2 { max-width: 720px; margin: 10px 0 14px; font-size: clamp(30px, 4vw, 52px); line-height: 1.03; letter-spacing: -.05em; }
.hero-card p:not(.eyebrow) { max-width: 680px; margin: 0; color: #cce3d4; line-height: 1.65; }
.hero-card .eyebrow { color: #76e8a0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-card .button.primary { color: var(--green-950); background: #73e89e; }
.hero-card .button.secondary { color: #fff; border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.08); }
.hero-mark { display: flex; align-items: center; justify-content: center; flex-direction: column; }
.hero-mark span { font-family: Georgia, serif; font-size: clamp(82px, 11vw, 142px); line-height: 1; color: rgba(255,255,255,.17); }
.hero-mark small { color: #8be7ac; letter-spacing: .13em; text-transform: uppercase; }

.button { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border: 1px solid transparent; border-radius: 11px; font-size: 13px; font-weight: 800; cursor: pointer; transition: .16s ease; }
.button:hover { transform: translateY(-1px); box-shadow: 0 7px 18px rgba(20,72,41,.12); }
.button.primary { color: #fff; background: var(--green-700); }
.button.secondary { color: var(--green-800); border-color: #b9dac5; background: var(--green-50); }
.button.ghost { color: var(--muted); border-color: var(--line); background: transparent; }
.danger-text { color: var(--danger) !important; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(175px, 1fr)); gap: 16px; margin: 20px 0; }
.stat-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 8px 25px rgba(20,72,41,.04); }
.stat-card span, .stat-card small { display: block; color: var(--muted); }
.stat-card span { font-size: 13px; font-weight: 700; }
.stat-card strong { display: block; margin: 8px 0 2px; color: var(--green-800); font-size: 34px; letter-spacing: -.04em; }
.stat-card small { font-size: 11px; }
.stat-card.warning strong { color: var(--amber); }
.panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 10px 32px rgba(20,72,41,.045); }
.workflow-panel { padding: 25px; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.panel-heading h3 { margin: 3px 0 0; font-size: 18px; }
.workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 0; padding: 0; list-style: none; }
.workflow li { display: flex; gap: 12px; padding: 15px; border-radius: 13px; background: var(--canvas); }
.workflow li > span { display: grid; flex: 0 0 30px; height: 30px; place-items: center; border-radius: 50%; color: #fff; background: var(--green-700); font-weight: 900; }
.workflow strong, .workflow small { display: block; }
.workflow small { margin-top: 4px; color: var(--muted); line-height: 1.4; }

.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 25px; margin-bottom: 24px; }
.section-heading h2 { margin: 5px 0 7px; font-size: clamp(27px, 3vw, 38px); letter-spacing: -.04em; }
.section-heading p:not(.eyebrow) { margin: 0; color: var(--muted); }
.section-heading.compact { margin-bottom: 18px; }
.badge { display: inline-flex; white-space: nowrap; padding: 8px 11px; border-radius: 999px; font-size: 11px; font-weight: 800; }
.rules-active { color: var(--amber); background: var(--amber-bg); }
.warning-badge { color: var(--danger); background: #fee9e7; }

.athlete-form { padding: clamp(22px, 4vw, 38px); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 21px; }
.form-grid label > span { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 800; }
.form-grid .wide { grid-column: 1 / -1; }
input, select { width: 100%; min-height: 45px; padding: 10px 12px; border: 1px solid #cad8ce; border-radius: 10px; color: var(--ink); background: #fff; outline: none; }
input:focus, select:focus { border-color: var(--green-600); box-shadow: 0 0 0 4px rgba(15,157,77,.1); }
input:user-invalid, select:user-invalid { border-color: #dc6d63; }
.classification-preview { display: grid; grid-template-columns: 1fr 1fr 2fr; gap: 14px; align-items: center; margin-top: 28px; padding: 18px; border-radius: 14px; background: var(--green-50); }
.classification-preview span, .classification-preview strong { display: block; }
.classification-preview span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.classification-preview strong { margin-top: 3px; color: var(--green-900); }
.classification-preview p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.form-actions { display: flex; gap: 10px; margin-top: 25px; }

.data-panel { overflow: hidden; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; padding: 19px; border-bottom: 1px solid var(--line); }
.organize-tools, .csv-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; }
.file-button input { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.organize-choice select { width: auto; min-width: 175px; min-height: 42px; }
.filters { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(155px, .26fr) minmax(210px, .38fr) auto; gap: 12px; align-items: center; padding: 16px 19px; border-bottom: 1px solid var(--line); background: #fbfdfb; }
.result-count { min-width: 90px; color: var(--muted); font-size: 12px; font-weight: 700; text-align: right; }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 1050px; border-collapse: collapse; }
th, td { padding: 14px 13px; border-bottom: 1px solid #edf1ee; font-size: 12px; text-align: left; vertical-align: middle; }
th { position: sticky; top: 0; color: var(--muted); background: #fff; font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }
tbody tr:hover { background: #f8fcf9; }
.athlete-name strong, .athlete-name small { display: block; }
.athlete-name small { margin-top: 2px; color: var(--muted); }
.category-chip { display: inline-flex; padding: 5px 8px; border-radius: 999px; color: var(--green-800); background: var(--green-100); font-size: 10px; font-weight: 900; }
.category-chip.review { color: var(--danger); background: #fee9e7; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.icon-button { border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; color: var(--muted); background: #fff; cursor: pointer; }
.icon-button:hover { color: var(--green-800); border-color: #a8d2b7; }
.icon-button.delete:hover { color: var(--danger); border-color: #efb5b0; }
.empty-state { display: grid; place-items: center; gap: 5px; padding: 60px 20px; color: var(--muted); }

.rules-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 18px; }
.rules-grid .panel { padding: 24px; }
.rule-list { display: grid; gap: 9px; }
.rule-item { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 12px 13px; border-radius: 10px; background: var(--canvas); }
.rule-item strong, .rule-item span { font-size: 12px; }
.rule-item span { color: var(--muted); }
.compact-rules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.notice { margin-top: 18px; padding: 20px 22px; border-left: 4px solid var(--amber); border-radius: 12px; background: var(--amber-bg); }
.notice p { margin: 5px 0 0; color: #76500f; line-height: 1.55; }
.toast { position: fixed; z-index: 40; right: 25px; bottom: 25px; max-width: min(390px, calc(100vw - 40px)); padding: 13px 17px; border-radius: 11px; color: #fff; background: var(--green-950); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(12px); transition: .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow { grid-template-columns: repeat(2, 1fr); }
  .rules-grid { grid-template-columns: 1fr; }
}
@media (min-width: 801px) {
  body.sidebar-collapsed .sidebar { transform: translateX(-100%); box-shadow: 20px 0 60px rgba(0,0,0,.16); }
  body.sidebar-collapsed .page { margin-left: 0; }
  body.sidebar-collapsed .menu-button { display: block; }
}
@media (max-width: 800px) {
  .sidebar { width: 270px; transform: translateX(-105%); transition: .22s ease; box-shadow: 20px 0 60px rgba(0,0,0,.2); }
  body.menu-open .sidebar { transform: translateX(0); }
  .page { margin-left: 0; }
  .menu-button { display: block; }
  .hero-card { grid-template-columns: 1fr; }
  .hero-mark { display: none; }
  .classification-preview { grid-template-columns: 1fr 1fr; }
  .classification-preview p { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  main { padding: 25px 15px 55px; }
  .topbar { padding: 14px 16px; }
  .topbar .eyebrow { display: none; }
  .topbar h1 { font-size: 18px; }
  .data-pill { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .hero-card { padding: 28px 22px; border-radius: 20px; }
  .stats-grid, .workflow, .form-grid, .compact-rules { grid-template-columns: 1fr; }
  .form-grid .wide { grid-column: auto; }
  .section-heading { flex-direction: column; }
  .filters { grid-template-columns: 1fr; }
  .result-count { text-align: left; }
  .organize-tools, .csv-tools { width: 100%; }
  .toolbar .button, .toolbar .organize-choice { flex: 1 1 calc(50% - 9px); }
  .organize-choice select { width: 100%; }
}