:root {
  --bg: #0b1118;
  --bg2: #0f1824;
  --panel: #131f2e;
  --panel2: #18283a;
  --line: #243649;
  --ink: #eaf1f8;
  --muted: #8ba0b5;
  --faint: #5f7389;
  --amber: #ff8a3d;
  --amber2: #ffb066;
  --snow: #e8f3ff;
  --go: #44d07f;
  --ice: #5ec8ff;
  --red: #ff6b6b;
  --yellow: #ffd34e;
  --shadow: 0 18px 48px -20px rgba(0,0,0,.7);
  --radius: 18px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #1a2a3d 0%, var(--bg) 55%) fixed;
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 80px;
}
h1,h2,h3,.display { font-family: 'Oswald', sans-serif; letter-spacing: .01em; }
a { color: var(--amber2); }

/* ---------- Top nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 6px;
  padding: 10px clamp(14px, 4vw, 40px);
  background: rgba(11,17,24,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { font-family: 'Oswald'; font-weight: 700; font-size: 1.15rem; letter-spacing: .06em;
  text-transform: uppercase; margin-right: auto; display: flex; align-items: center; gap: 9px; }
.brand .peak { color: var(--amber); }
.tab {
  background: none; border: 0; color: var(--muted); cursor: pointer;
  font: 600 .86rem/1 'Inter'; padding: 10px 14px; border-radius: 10px;
  transition: .15s; white-space: nowrap;
}
.tab:hover { color: var(--ink); background: var(--panel); }
.tab.active { color: var(--bg); background: var(--amber); }
@media (max-width: 640px){
  .nav { gap: 2px; padding: 8px 10px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .nav::-webkit-scrollbar { display: none; }
  .brand { margin-right: 8px; font-size: 1rem; }
  .tab { padding: 9px 11px; font-size: .82rem; }
}

/* ---------- Layout ---------- */
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 clamp(14px, 4vw, 40px); }
.view { display: none; animation: fade .3s ease; }
.view.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
section { margin-top: 30px; }
.eyebrow { text-transform: uppercase; letter-spacing: .18em; font-size: .72rem;
  color: var(--amber); font-weight: 700; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  border-radius: 0 0 28px 28px;
  padding: 44px clamp(14px,4vw,40px) 120px;
  background:
    linear-gradient(180deg, rgba(11,17,24,0) 40%, var(--bg) 100%),
    linear-gradient(135deg, #22344a 0%, #15212f 60%);
  border-bottom: 1px solid var(--line);
}
.hero .mtn { position: absolute; left: 0; right: 0; bottom: -2px; width: 100%; display: block; }
.hero-inner { max-width: 1040px; margin: 0 auto; position: relative; z-index: 2; }
.hero h1 { font-size: clamp(2.4rem, 7vw, 4.6rem); font-weight: 700; line-height: .95;
  text-transform: uppercase; }
.hero h1 .yr { color: var(--amber); }
.hero .route { color: var(--snow); font-weight: 500; margin-top: 10px; font-size: clamp(.9rem,2.5vw,1.05rem); }
.hero .route b { color: var(--amber2); font-weight: 700; }
.countdown { display: flex; gap: 22px; margin-top: 26px; flex-wrap: wrap; }
.cd-num { font-family: 'Oswald'; font-size: clamp(2rem,6vw,3.2rem); font-weight: 700; line-height: 1; color: var(--snow); }
.cd-lbl { font-size: .74rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 16px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 720px){ .g3,.g2 { grid-template-columns: 1fr; } }
.card {
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg2) 100%);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
}
.stat .k { font-size: .76rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.stat .v { font-family: 'Oswald'; font-size: 2.6rem; font-weight: 700; line-height: 1; margin: 6px 0; }
.stat .v small { font-size: 1rem; color: var(--muted); font-family:'Inter'; font-weight:600; }
.stat .sub { font-size: .82rem; color: var(--faint); }
.trend-up { color: var(--go); } .trend-down { color: var(--ice); }
.wkg .v { color: var(--amber); }

.bar { height: 8px; background: var(--panel2); border-radius: 99px; overflow: hidden; margin-top: 12px; }
.bar > i { display: block; height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--amber), var(--amber2)); transition: width .6s cubic-bezier(.2,.8,.2,1); }
.bar.go > i { background: linear-gradient(90deg, var(--go), #8ef0b4); }
.bar.ice > i { background: linear-gradient(90deg, var(--ice), #a9e4ff); }

/* ---------- Phase timeline ---------- */
.phases { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.phase-chip { flex: 1 1 140px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 12px 14px; position: relative; overflow: hidden; }
.phase-chip.cur { border-color: var(--amber); box-shadow: inset 0 0 0 1px var(--amber); }
.phase-chip .pname { font-family:'Oswald'; font-weight: 700; font-size: 1.05rem; }
.phase-chip .pmeta { font-size: .74rem; color: var(--muted); }
.phase-chip .ptick { font-size: .7rem; color: var(--amber); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }

/* ---------- Week / sessions ---------- */
.weekhead { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.weekhead h3 { font-size: 1.3rem; }
.pill { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  padding: 3px 9px; border-radius: 99px; background: var(--panel2); color: var(--muted); }
.pill.cur { background: var(--amber); color: var(--bg); }
.pill.rec { background: #2a3b2f; color: var(--go); }
.pill.hours { background: var(--panel2); color: var(--amber2); }

.sess { display: flex; gap: 14px; align-items: flex-start; padding: 14px 0; border-top: 1px solid var(--line); }
.sess:first-child { border-top: 0; }
.chk { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 8px; border: 2px solid var(--line);
  background: var(--bg2); cursor: pointer; display: grid; place-items: center; margin-top: 2px; transition:.15s; }
.chk:hover { border-color: var(--amber); }
.chk.on { background: var(--go); border-color: var(--go); }
.chk.on::after { content: '✓'; color: #06240f; font-weight: 800; font-size: .95rem; }
.sess-body { flex: 1; min-width: 0; }
.sess.done .sess-body { opacity: .5; }
.sess-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sess-day { font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); min-width: 62px; }
.sess-title { font-family:'Oswald'; font-weight: 600; font-size: 1.08rem; }
.sess-place { font-size: .68rem; padding: 2px 8px; border-radius: 99px; background: var(--panel2); color: var(--muted); }
.zone-tag { font-size: .68rem; font-weight: 700; padding: 2px 8px; border-radius: 99px; color: #06121d; }
.sess-min { margin-left: auto; font-size: .8rem; color: var(--faint); font-weight: 600; }
.sess-det { font-size: .88rem; color: var(--muted); margin-top: 5px; }

details.weekcard { background: linear-gradient(180deg, var(--panel) 0%, var(--bg2) 100%);
  border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
details.weekcard[open] { border-color: var(--panel2); }
details.weekcard.cur { border-color: var(--amber); }
summary { list-style: none; cursor: pointer; padding: 16px 18px; display: flex; align-items: center; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary .caret { margin-left: auto; color: var(--faint); transition:.2s; }
details[open] summary .caret { transform: rotate(90deg); }
.weekcard .inner { padding: 0 18px 10px; }
.prog-mini { width: 54px; height: 54px; flex: 0 0 auto; }

/* ---------- Forms ---------- */
label.fld { display: block; font-size: .78rem; color: var(--muted); font-weight: 600; margin-bottom: 6px; }
input, select { width: 100%; background: var(--bg2); border: 1px solid var(--line); color: var(--ink);
  border-radius: 10px; padding: 11px 12px; font: 500 .95rem 'Inter'; }
input:focus, select:focus { outline: none; border-color: var(--amber); }
.btn { background: var(--amber); color: var(--bg); border: 0; border-radius: 10px;
  padding: 11px 18px; font: 700 .92rem 'Inter'; cursor: pointer; transition:.15s; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: var(--panel2); color: var(--ink); }
.form-row { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr auto; gap: 12px; align-items: end; }
@media (max-width: 720px){ .form-row { grid-template-columns: 1fr 1fr; } }

/* ---------- Table ---------- */
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { text-align: left; color: var(--faint); font-weight: 600; font-size: .74rem; text-transform: uppercase;
  letter-spacing: .06em; padding: 10px 8px; border-bottom: 1px solid var(--line); }
td { padding: 11px 8px; border-bottom: 1px solid var(--panel2); }
tr:hover td { background: rgba(255,255,255,.02); }
.del { background: none; border: 0; color: var(--faint); cursor: pointer; font-size: 1rem; }
.del:hover { color: var(--red); }

/* ---------- Charts ---------- */
.chart-wrap { overflow-x: auto; }
svg.chart { width: 100%; height: auto; display: block; }
.legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: .8rem; color: var(--muted); margin-top: 8px; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* ---------- Guide / zones ---------- */
.zone-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.zone-row:first-child { border-top: 0; }
.zone-dot { width: 14px; height: 14px; border-radius: 4px; flex: 0 0 auto; }
.zone-name { font-weight: 700; min-width: 170px; }
.zone-meta { color: var(--muted); font-size: .85rem; }
.tip { display: flex; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); }
.tip:first-child { border-top: 0; }
.tip .ic { font-size: 1.3rem; flex: 0 0 auto; }
.tip h4 { font-family:'Oswald'; font-weight: 600; font-size: 1.05rem; margin-bottom: 2px; }
.tip p { color: var(--muted); font-size: .9rem; }
.muted { color: var(--muted); }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--go); color: #06240f; font-weight: 700; padding: 12px 20px; border-radius: 12px;
  opacity: 0; pointer-events: none; transition: .3s; z-index: 100; box-shadow: var(--shadow); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }