/* ==========================================================================
   NyenTrack – Stylesheet (modern, neutrales Dunkelgrau, responsiv)
   Farben liegen als Variablen oben; "hell" überschreibt sie unter
   [data-theme="light"]. Zum Anpassen einfach die Werte hier ändern.
   ========================================================================== */
:root{
  --bg:#1b1c1e; --surface:#242528; --surface-2:#2c2e31; --surface-3:#34363a;
  --border:#34363a; --border-strong:#43464b;
  --text:#e9eaec; --text-dim:#9a9ca2; --text-faint:#6b6d73;
  --accent:#f2b03d; --accent-hover:#ffc257; --accent-ink:#2a1e05;
  --led-green:#3fb950; --led-amber:#e3a92a; --led-red:#f85149; --led-blue:#5aa9ff; --led-off:#43464b;
  --shadow:0 10px 34px rgba(0,0,0,.40);
  --radius:12px;
}
[data-theme="light"]{
  --bg:#f4f4f5; --surface:#ffffff; --surface-2:#efeff1; --surface-3:#e6e6e9;
  --border:#e3e3e6; --border-strong:#cfd0d4;
  --text:#1b1c1e; --text-dim:#5c5e63; --text-faint:#8a8c92;
  --accent:#b9770a; --accent-hover:#a3680a; --accent-ink:#fff6e6;
  --led-green:#1a9e3f; --led-amber:#c8860a; --led-red:#d63a31; --led-blue:#2f7fd6; --led-off:#cfd0d4;
  --shadow:0 8px 26px rgba(30,32,36,.12);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,Arial,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px}
.mono{font-family:'JetBrains Mono',monospace}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;margin:0;letter-spacing:-.01em}

/* LED-Signatur */
.led{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--c,var(--led-off));box-shadow:0 0 7px var(--c,transparent);flex:none;vertical-align:middle}
.led.lg{width:10px;height:10px}
.led.green{--c:var(--led-green)}.led.amber{--c:var(--led-amber)}.led.red{--c:var(--led-red)}.led.blue{--c:var(--led-blue)}
.led.off{--c:var(--led-off);box-shadow:none}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.led.pulse{animation:pulse 1.6s ease-in-out infinite}

/* Layout */
.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.sidebar{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:60}
.brand{padding:20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border)}
.brand .logo{width:38px;height:38px;display:grid;place-items:center;color:var(--accent);font-family:'Space Grotesk';font-weight:700;font-size:15px}
.brand b{font-family:'Space Grotesk';font-weight:600;font-size:15px;display:block}
.brand small{color:var(--text-faint);font-size:11px}
.nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px;flex:1}
.nav a{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:9px;color:var(--text-dim);font-weight:500;position:relative;transition:background .15s,color .15s}
.nav a:hover{background:var(--surface-2);color:var(--text)}
.nav a.active{background:var(--surface-2);color:var(--text)}
.nav a.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--accent)}
.nav svg{width:18px;height:18px;flex:none}
.nav-foot{padding:12px;border-top:1px solid var(--border);color:var(--text-faint);font-size:11px;text-align:center}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{height:60px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 26px;background:color-mix(in srgb,var(--surface) 85%,transparent);backdrop-filter:blur(8px);position:sticky;top:0;z-index:30}
.topbar h1{font-size:19px;font-weight:600}
.topbar .right{display:flex;align-items:center;gap:10px}
.iconbtn{width:38px;height:38px;border-radius:9px;border:1px solid var(--border);background:var(--surface-2);color:var(--text-dim);display:grid;place-items:center;transition:color .15s,border-color .15s}
.iconbtn:hover{color:var(--text);border-color:var(--border-strong)}
.iconbtn svg{width:17px;height:17px}
.userchip{display:flex;align-items:center;gap:8px;color:var(--text-dim);font-size:13px;padding:6px 10px;border-radius:8px;transition:background .15s,color .15s}
.userchip:hover{background:var(--surface-2);color:var(--text)}
.content{padding:26px;max-width:1180px;width:100%}

/* Backdrop hinter der mobilen Seitenleiste */
.nav-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:50}

/* Buttons */
.btn{border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text);padding:9px 15px;border-radius:9px;font-weight:500;font-size:13.5px;display:inline-flex;align-items:center;gap:7px;transition:border-color .15s,background .15s}
.btn:hover{border-color:var(--text-faint)}
.btn svg{width:15px;height:15px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn.danger{color:var(--led-red);border-color:transparent;background:transparent}
.btn.danger:hover{background:color-mix(in srgb,var(--led-red) 14%,transparent)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--text-dim)}
.btn.ghost:hover{background:var(--surface-2);color:var(--text)}
.btn.sm{padding:7px 11px;font-size:12.5px}

/* Karten / Listen */
.grid{display:grid;gap:16px}
.stats{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.two-col{grid-template-columns:1fr 1fr;align-items:start}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.card.pad{padding:18px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
a.stat{display:block;color:inherit;text-decoration:none;transition:border-color .15s,background .15s}
a.stat:hover{border-color:var(--border-strong);background:var(--surface-2)}
.stat .lbl{color:var(--text-dim);font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.04em;display:flex;align-items:center;gap:7px}
.stat .val{font-family:'Space Grotesk';font-size:27px;font-weight:600;margin-top:8px}
.stat .sub{color:var(--text-faint);font-size:12px;margin-top:3px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.section-head h2{font-size:16px;font-weight:600}
.section-head .hint{color:var(--text-faint);font-size:12.5px;margin-top:2px}
.card .section-head{padding:16px 18px 0;margin-bottom:6px}

.rows{display:flex;flex-direction:column}
.row{display:flex;align-items:center;gap:14px;padding:13px 16px;border-bottom:1px solid var(--border);transition:background .12s}
.row:last-child{border-bottom:0}
.row:hover{background:var(--surface-2)}
.row .grow{flex:1;min-width:0}
.row .title{font-weight:500}
.row .meta{color:var(--text-dim);font-size:12.5px;margin-top:2px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tag{display:inline-flex;align-items:center;gap:6px;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:500;border:1px solid var(--border-strong);color:var(--text-dim);background:var(--surface-2)}
.firma-chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text-dim)}
.firma-dot{width:9px;height:9px;border-radius:3px;flex:none;background:var(--text-faint)}
.empty{padding:44px 20px;text-align:center;color:var(--text-dim)}
.empty .big{font-family:'Space Grotesk';font-weight:600;color:var(--text);font-size:15px;margin-bottom:4px}

/* Formulare */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.filters select,.filters input{background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:9px 11px;color:var(--text);min-height:40px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:12.5px;color:var(--text-dim);font-weight:500}
.field input,.field select,.field textarea{background:var(--surface-2);border:1px solid var(--border-strong);border-radius:9px;padding:10px 12px;color:var(--text);width:100%;min-height:42px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical;min-height:64px}
.field input[type="datetime-local"]{text-align:center;min-width:0;-webkit-appearance:none;appearance:none;display:block}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.check{display:flex;align-items:center;gap:9px;font-size:13.5px;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--accent)}

.timer-banner{display:flex;align-items:center;gap:16px;padding:16px 18px;border-radius:var(--radius);background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 12%,var(--surface)),var(--surface));border:1px solid color-mix(in srgb,var(--accent) 35%,var(--border))}
.timer-banner .clock{font-family:'JetBrains Mono';font-size:26px;font-weight:500}

.flash{padding:11px 14px;border-radius:9px;margin-bottom:16px;font-size:13.5px;display:flex;align-items:center;gap:9px;background:color-mix(in srgb,var(--led-green) 12%,var(--surface));border:1px solid color-mix(in srgb,var(--led-green) 35%,var(--border))}
.err{background:color-mix(in srgb,var(--led-red) 12%,transparent);border:1px solid color-mix(in srgb,var(--led-red) 40%,transparent);color:var(--led-red);padding:9px 12px;border-radius:9px;font-size:13px;margin-bottom:14px}

/* Modal-Dialog */
dialog{background:var(--surface);border:1px solid var(--border-strong);border-radius:16px;box-shadow:var(--shadow);width:100%;max-width:480px;max-height:calc(100vh - 32px);padding:0;color:var(--text)}
dialog::backdrop{background:rgba(0,0,0,.6);backdrop-filter:blur(2px)}
dialog header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
dialog header h3{font-size:16px;font-weight:600}
dialog .body{padding:20px 22px}
dialog footer{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:9px}

/* Login */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(1000px 500px at 70% -10%,color-mix(in srgb,var(--accent) 7%,transparent),transparent),var(--bg)}
.login{width:100%;max-width:380px}
.login .head{text-align:center;margin-bottom:24px}
.login .logo{width:66px;height:66px;display:grid;place-items:center;color:var(--accent);font-family:'Space Grotesk';font-weight:700;font-size:24px;margin:0 auto 14px}
.login h1{font-size:22px;font-weight:600}
.login p{color:var(--text-dim);margin:5px 0 0}

/* ==========================================================================
   RESPONSIV
   ========================================================================== */

/* Tablet & darunter: Seitenleiste wird zur ausklappbaren Schublade */
@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:250px;transform:translateX(-100%);transition:transform .22s ease}
  body.nav-open .sidebar{transform:none}
  body.nav-open .nav-backdrop{display:block}
  .hamburger{display:grid!important}
  .content{padding:20px}
  .topbar{padding:0 18px}
}

/* Handy: einspaltige Formulare, kompaktere Abstände, umbrechende Zeilen */
@media(max-width:560px){
  .content{padding:14px}
  .topbar{height:56px}
  .topbar h1{font-size:17px}
  .row2{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat .val{font-size:23px}
  .row{flex-wrap:wrap;gap:8px 10px;padding:12px 14px}
  .row .grow{flex:1 1 60%}
  .btn{padding:9px 13px}
  .btn.sm{padding:8px 12px}       /* etwas größere Touch-Fläche */
  .timer-banner{flex-wrap:wrap}
  .timer-banner .clock{font-size:22px}
  dialog{border-radius:14px}
}

/* Sehr schmal: Kennzahlen einspaltig */
@media(max-width:380px){
  .stats{grid-template-columns:1fr}
}

.hamburger{display:none}

/* Belege: aufklappbares <details>-Element */
details > summary{list-style:none}
details > summary::-webkit-details-marker{display:none}
details > summary .chev{color:var(--text-faint);transition:transform .15s;flex:none}
details[open] > summary .chev{transform:rotate(180deg)}
details > summary:hover{background:var(--surface-2)}

/* Monatsstatistik: einfaches Balkendiagramm (Umsatz je Monat, 12 Monate) */
.barchart-wrap{padding:18px;overflow-x:auto}
.barchart{display:flex;align-items:flex-end;gap:8px;height:150px;min-width:460px;border-bottom:1px solid var(--border);position:relative}
.barchart::before{content:"";position:absolute;left:0;right:0;top:0;border-top:1px dashed var(--border);pointer-events:none}
.bar-col{flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;min-width:26px;position:relative;background:none;border:none;padding:0;font:inherit;color:inherit;cursor:pointer}
.bar-col:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.bar-col .barlabel{font-size:11px;font-weight:600;color:var(--text);margin-bottom:4px;white-space:nowrap}
.bar-col .bar{width:100%;max-width:24px;min-height:2px;border-radius:4px 4px 0 0;background:var(--accent);transition:background .12s,opacity .12s}
.bar-col:hover .bar,.bar-col:focus-visible .bar{background:var(--accent-hover)}
.bar-col .monat{margin-top:8px;font-size:11px;color:var(--text-faint)}
.stat-tooltip{position:fixed;z-index:80;background:var(--surface-3);border:1px solid var(--border-strong);border-radius:9px;padding:8px 11px;font-size:12.5px;box-shadow:var(--shadow);pointer-events:none;opacity:0;transform:translate(-50%,-100%) translateY(-8px);transition:opacity .1s}
.stat-tooltip.show{opacity:1}
.stat-tooltip .betrag{font-family:'Space Grotesk';font-weight:600;color:var(--text)}
.stat-tooltip .std{color:var(--text-dim)}