/* Coaching-Buchung – gemeinsame Gestaltung für Buchungs- und Verwaltungsseite.
   Schriften: nur Systemschriften, damit keine Daten an Font-Dienste gehen (DSGVO).
   Layout: schmale Spalte, oben "Meine Buchung", dann je Termin eine Reihe mit drei Coach-Spalten;
   darin die Termine nach Tag gruppiert als kleine Uhrzeit-Knöpfe. Die Coach-Farbe zieht sich
   von Termin 1 zu Termin 2. */
:root{
  --bg:#f4f6f7; --surface:#ffffff; --fg:#17242b; --muted:#5b6b73; --line:#d9e1e4;
  --accent:#0f5d6b; --accent-fg:#ffffff;
  --c1:#c2551f; --c2:#2c6fb3; --c3:#5f8a2a;
  --ok:#2f7d4f; --warn:#a35d00; --bad:#b3261e;
  --f-display:"Avenir Next","Segoe UI Variable Display","Segoe UI",system-ui,-apple-system,Roboto,sans-serif;
  --f-body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --f-mono:ui-monospace,"SF Mono","Cascadia Mono","Segoe UI Mono",Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#0f171b; --surface:#162228; --fg:#e4ecef; --muted:#93a4ab; --line:#2a3a41;
  --accent:#5fc2d1; --accent-fg:#0b1a1e;
  --c1:#ef8a55; --c2:#76aef0; --c3:#9cc764;
  --ok:#6cc58f; --warn:#e5a54a; --bad:#f08b84; color-scheme:dark}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 var(--f-body)}
.wrap{max-width:1040px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:28px 64px;display:flex;flex-direction:column;gap:28px}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.15}
h1{font-size:clamp(1.9rem,4vw,2.6rem);font-weight:700;letter-spacing:-.01em}
h2{font-size:1.35rem;font-weight:700}
h3{font-size:1.02rem;font-weight:600}
p{margin:0}
a{color:var(--accent)}
.eyebrow{font:500 .75rem var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.lead{color:var(--muted);max-width:62ch}
.muted{color:var(--muted)}
.small{font-size:.86rem}
header{display:flex;flex-direction:column;gap:10px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--cc,var(--muted));flex:none;display:inline-block}

/* Meine Buchung */
.mine{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;align-items:start}
.mine .who{display:flex;flex-direction:column;gap:6px;min-width:0}
.mine-slot{display:flex;flex-direction:column;gap:6px;padding:14px;border-radius:10px;border:1px dashed var(--line);min-width:0}
.mine-slot.filled{border-style:solid;border-color:var(--cc,var(--line));background:color-mix(in srgb,var(--cc) 8%,transparent)}
.mine-slot .when{font-family:var(--f-mono);font-size:.9rem;font-variant-numeric:tabular-nums}
.lockpill{display:inline-flex;align-items:center;gap:8px;font-weight:600}
.linkbtn{background:none;border:none;padding:0;font:inherit;color:var(--accent);text-decoration:underline;cursor:pointer;text-align:left}
.codebox{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 12px;border:1px solid var(--accent);border-radius:9px}
.codebox code{font:600 1.15rem var(--f-mono);letter-spacing:.14em}

/* Termin-Reihen: je Coach eine Spalte, darin Tage mit kompakten Uhrzeit-Knöpfen */
.session{display:flex;flex-direction:column;gap:12px}
.session-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.coaches{display:grid;grid-template-columns:var(--cols,repeat(3,minmax(0,1fr)));gap:12px;align-items:start}
@media (max-width:760px){.coaches{grid-template-columns:1fr}}
.coach{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--cc);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px;min-width:0;transition:opacity .2s}
.coach.locked{opacity:.5}
.coach-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap}
.coach-head .name{display:flex;align-items:center;gap:8px;font-family:var(--f-display);font-weight:600;font-size:1.05rem}
.coach-note{font-size:.82rem;color:var(--muted)}
.slots{display:flex;flex-direction:column;gap:12px}
.day{display:flex;flex-direction:column;gap:6px}
.day-head{display:flex;gap:8px;flex-wrap:wrap;align-items:baseline;font:600 .78rem var(--f-mono);font-variant-numeric:tabular-nums;color:var(--fg)}
.day-head .place{font:400 .78rem var(--f-body);color:var(--muted)}
.chips{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:6px}
.slot{padding:6px 4px;border-radius:7px;border:1px solid var(--line);background:transparent;color:var(--fg);font:500 .84rem var(--f-mono);font-variant-numeric:tabular-nums;text-align:center;line-height:1.2}
.slot.free{cursor:pointer;color:var(--cc);border-color:color-mix(in srgb,var(--cc) 60%,var(--line))}
.slot.free:hover{background:color-mix(in srgb,var(--cc) 10%,transparent)}
.slot.taken{color:var(--muted);background:var(--bg);text-decoration:line-through}
.slot.own{border-color:var(--cc);background:var(--cc);color:var(--surface);font-weight:700}
.slot.blocked{color:var(--muted);border-style:dashed;opacity:.6}
.slot.selected{outline:2px solid var(--cc);outline-offset:1px;background:color-mix(in srgb,var(--cc) 16%,transparent)}
.empty{font-size:.9rem;color:var(--muted);padding:6px 0}

/* Buchungsformular */
.panel{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--cc,var(--accent));border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:14px}
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;align-items:end}
label{display:flex;flex-direction:column;gap:4px;font-size:.84rem;color:var(--muted);min-width:0}
label.check{flex-direction:row;align-items:flex-start;gap:8px;color:var(--fg)}
label.check input{width:auto;margin-top:3px}
input,select,textarea{font:inherit;font-size:.95rem;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:8px 10px;min-width:0;width:100%}
textarea{min-height:70px;resize:vertical}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

.btn{text-decoration:none;display:inline-block;font:600 .92rem var(--f-body);border-radius:8px;padding:9px 15px;border:1px solid var(--line);background:var(--surface);color:var(--fg);cursor:pointer}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 45%,var(--line))}
.btn.sm{padding:4px 10px;font-size:.82rem}
.btn:disabled{opacity:.5;cursor:default}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.notice{border:1px solid var(--line);border-left:4px solid var(--warn);background:var(--surface);padding:12px 14px;border-radius:8px;font-size:.92rem}
.notice.ok{border-left-color:var(--ok)}
.notice.bad{border-left-color:var(--bad)}

/* Verwaltung */
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:14px}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:.9rem;min-width:680px}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{font:500 .72rem var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--bg)}
tr:last-child td{border-bottom:none}
td.mono{font-family:var(--f-mono);font-size:.84rem;font-variant-numeric:tabular-nums;white-space:nowrap}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.stats{display:flex;gap:22px;flex-wrap:wrap;font-size:.92rem;color:var(--muted)}
.stats b{color:var(--fg);font-size:1.2rem;font-variant-numeric:tabular-nums;margin-right:4px}
header.topbar,.topbar{flex-direction:row;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}

.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:9px;font-size:.92rem;max-width:calc(100% - 32px);box-shadow:0 6px 24px rgba(0,0,0,.2);z-index:20}
[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}