/* ------------------------------------------------------------------
   Farben & Grundwerte
   ------------------------------------------------------------------ */
:root{
  --accent: #ff6a00;
  --accent-strong: color-mix(in srgb, var(--accent) 82%, #000);
  --accent-soft: color-mix(in srgb, var(--accent) 10%, #fff);
  --accent-line: color-mix(in srgb, var(--accent) 35%, #fff);

  --bg: #0b0f14;
  --bg-deep: #06080c;
  --on-bg: #e9ecf1;
  --on-bg-muted: rgba(255,255,255,.82);

  --paper: #ffffff;
  --paper-2: #f5f6f8;
  --ink-2: #334050;
  --line: #e2e5ea;
  --line-strong: #c9ced6;

  --danger: #c62828;
  --danger-soft: #fdf0f0;
  --danger-line: #f0b9b9;

  --radius: 10px;
  --radius-s: 6px;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font: 16px/1.55 var(--sans);
  color: var(--on-bg);
}
a{color: var(--accent-strong)}
img, svg{max-width:100%}
[hidden]{display:none !important}

.container{width:min(1100px, calc(100% - 32px)); margin:0 auto;}
.main{padding: 48px 0 56px;}

/* ------------------------------------------------------------------
   Kopfzeile
   ------------------------------------------------------------------ */
.topbar{
  background: var(--bg-deep);
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar-inner{display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:64px;}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none; color:#fff; flex-shrink:0;}
.brand-logo{width:32px; height:32px; object-fit:contain;}
.brand-name{font-weight:650; font-size:17px; letter-spacing:-.01em;}

.topnav{display:flex; align-items:stretch; gap:4px; overflow-x:auto; scrollbar-width:none;}
.topnav::-webkit-scrollbar{display:none}
.topnav a{
  color: var(--on-bg-muted);
  text-decoration:none;
  font-size:15px;
  padding: 20px 10px 18px;
  white-space:nowrap;
  border-bottom: 2px solid transparent;
}
.topnav a:hover{color:#fff}
.topnav a.is-active{color:#fff; border-bottom-color: var(--accent);}
.topnav .topnav-out{margin-left:12px}

/* ------------------------------------------------------------------
   Inhalte
   ------------------------------------------------------------------ */
.hero{max-width:640px; margin: 8px 0 28px;}
.hero h1{font-size: clamp(30px, 4.4vw, 44px); line-height:1.1; letter-spacing:-.025em; margin:0 0 12px; color:#fff; font-weight:700; text-shadow: 0 1px 12px rgba(0,0,0,.18);}
.hero p{margin:0; color: var(--on-bg-muted); font-size:17px;}

.card{
  background: var(--paper);
  --muted: #5f6878; /* :root --muted gilt für den Footer auf dunklem Grund */
  color: var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(255,255,255,.04), 0 18px 40px -18px rgba(0,0,0,.6);
}
.card.narrow{max-width:620px; margin:0 auto;}
.card-h{
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap;
}
.card-h strong{font-size:18px; letter-spacing:-.01em;}
.card-b{padding: 24px;}
@media (min-width: 700px){ .card-b{padding: 28px 32px;} .card-h{padding: 18px 32px;} }

.card h2{font-size:17px; letter-spacing:-.01em; margin:0 0 14px !important;}
.h1{font-size: 28px; line-height:1.2; letter-spacing:-.02em; margin:0 0 10px;}
.p{margin:0 0 20px; color: var(--muted);}
.eyebrow{margin:0 0 6px; font-size:13px; font-weight:600; color: var(--accent-strong);}
.muted{color: var(--muted); font-size:14px;}
.hr{height:1px; background: var(--line); margin: 22px 0; border:0;}
.grid{display:grid; grid-template-columns: 1.2fr .8fr; gap:18px;}
@media (max-width: 900px){.grid{grid-template-columns:1fr;}}

/* ------------------------------------------------------------------
   Formulare
   ------------------------------------------------------------------ */
label{display:block; font-weight:600; font-size:14px; margin: 0 0 6px; color: var(--ink-2);}
.input, select, textarea{
  width:100%;
  padding: 11px 12px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  outline:none;
  transition: border-color .12s, box-shadow .12s;
}
select{appearance:none; padding-right:36px; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 52%, calc(100% - 13px) 52%; background-size: 5px 5px; background-repeat:no-repeat;}
textarea{min-height: 130px; resize: vertical; line-height:1.45;}
.input:focus, select:focus, textarea:focus{border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);}
input[type="file"].input{padding:8px}
input[type="checkbox"]{accent-color: var(--accent); width:16px; height:16px; margin:0;}
.check{display:flex; gap:10px; align-items:center; font-weight:500; margin: 0 0 10px; color: var(--ink);}

.row{display:grid; grid-template-columns:1fr; gap:18px; margin-bottom:18px;}
.row2{display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px;}
@media (max-width: 700px){.row2{grid-template-columns:1fr;}}

/* Startseite: Eingabezeile */
.shorten{display:grid; grid-template-columns: 1fr 170px auto; gap:12px; align-items:end;}
.shorten .input, .shorten select{height:48px; font-size:16px;}
.shorten .btn{height:48px; padding: 0 26px;}
.shorten.has-captcha{grid-template-columns: 1fr 170px;}
.shorten.has-captcha .captcha-block{grid-column: 1 / -1; padding-top:6px;}
.shorten.has-captcha > .btn{grid-column: 1 / -1; justify-self:start;}
@media (max-width: 760px){ .shorten, .shorten.has-captcha{grid-template-columns: 1fr;} .shorten.has-captcha > .btn{justify-self:stretch;} }

/* ------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 10px 16px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  font: inherit; font-size: 15px; font-weight:600;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  transition: background-color .12s, border-color .12s;
}
.btn:hover{background: var(--paper-2); border-color: #b6bcc6;}
.btn:focus-visible, .topnav a:focus-visible{outline: 2px solid var(--accent); outline-offset: 2px;}
.btn-primary{background: var(--accent); border-color: var(--accent); color:#fff;}
.btn-primary:hover{background: var(--accent-strong); border-color: var(--accent-strong);}
.btn-danger{background: #fff; color: var(--danger); border-color: var(--danger-line);}
.btn-danger:hover{background: var(--danger); color:#fff; border-color: var(--danger);}
.btn-quiet{border-color: transparent; background: transparent; color: var(--ink-2); padding-left:8px; padding-right:8px;}
.btn-quiet:hover{background: var(--paper-2); border-color: transparent;}
.actions{display:flex; gap:10px; flex-wrap:wrap; align-items:center;}

/* ------------------------------------------------------------------
   Kleinteile
   ------------------------------------------------------------------ */
.badge{
  display:inline-flex; align-items:center; gap:6px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  font-size: 13px; font-weight:500;
  color: var(--ink-2);
  white-space:nowrap;
}
.badge-risk{background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent-strong);}
.badge-bad{background: var(--danger-soft); border-color: var(--danger-line); color: var(--danger);}
.badge-off{color: var(--muted);}

.code{font-family: var(--mono); font-size: 13px; background: var(--paper-2); padding: 2px 6px; border-radius: 4px; border: 1px solid var(--line);}

.notice{
  padding: 12px 16px;
  border-radius: var(--radius-s);
  border: 1px solid var(--accent-line);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 15px;
}
.notice-danger{border-color: var(--danger-line); border-left-color: var(--danger); background: var(--danger-soft);}

.table{width:100%; border-collapse: collapse; font-size: 14px;}
.table th, .table td{padding: 11px 10px; border-bottom: 1px solid var(--line); vertical-align: top; text-align:left;}
.table th{color: var(--muted); font-weight:600; font-size:13px; border-bottom-color: var(--line-strong);}
.table tbody tr:hover td{background: #fafbfc;}
.table .btn{padding: 6px 12px; font-size:14px;}
@media (max-width: 900px){ .table{display:block; overflow-x:auto;} }

.kpi{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px;}
@media (max-width:700px){.kpi{grid-template-columns:1fr;}}
.kpi .k{padding:16px 18px; border-radius: var(--radius-s); border: 1px solid var(--line); background: var(--paper-2);}
.kpi .v{font-size: 26px; font-weight: 700; letter-spacing:-.02em; font-variant-numeric: tabular-nums;}
.kpi .t{font-size: 13px; color: var(--muted); margin-top:2px;}

/* ------------------------------------------------------------------
   Ergebnis (Kurzlink)
   ------------------------------------------------------------------ */
.result{
  display:flex; gap:16px; align-items:center; justify-content:space-between; flex-wrap:wrap;
  padding: 16px 18px;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-s);
  background: var(--accent-soft);
  margin-bottom: 24px;
}
.result-link{font-family: var(--mono); font-size: 20px; font-weight:600; word-break:break-all; color: var(--ink);}
.result .muted{margin-top:2px}

/* ------------------------------------------------------------------
   Zwischenseite (Weiterleitung)
   ------------------------------------------------------------------ */
.target{
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--paper-2);
  margin: 0 0 20px;
}
.target-host{font-weight:700; font-size:18px; word-break:break-all;}
.target a{font-size:14px; color: var(--muted); word-break:break-all; text-decoration:none;}
.target a:hover{text-decoration:underline;}
.redirect-foot{display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; margin-top:16px;}
.redirect-foot .muted{font-variant-numeric: tabular-nums;}

.progress{height:4px; background: var(--line); border-radius:2px; overflow:hidden;}
.progress > div{height:100%; width:0%; background: var(--accent); transition: width 1s linear;}

/* ------------------------------------------------------------------
   Sicherheitsprüfung
   ------------------------------------------------------------------ */
.gate-status{margin-top:8px}
.gate-status .progress > div{transition: width .3s ease-out;}
.gate-msg{margin-top:10px}
.gate-status.is-failed .progress > div{background: var(--danger); width:100% !important;}
.gate-status.is-failed .gate-msg{color: var(--danger);}
.captcha-row{display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-bottom:10px;}
.captcha-row img{height:70px; width:220px; border-radius: var(--radius-s); border:1px solid var(--line); background: var(--paper-2);}
.input-code{max-width:220px; font-family: var(--mono); font-size:20px; letter-spacing:.18em; text-transform:uppercase; margin-bottom:6px;}

/* ------------------------------------------------------------------
   Footer-Text (Skyline + Himmel: siehe unten)
   ------------------------------------------------------------------ */
.site-footer{font-size:14px;}
.footer-bar{padding: 18px 0 26px;}
.footer-inner{display:flex; justify-content:space-between; align-items:center; gap:10px 24px; flex-wrap:wrap;}
.footer-custom a, .site-footer a{color: var(--on-bg); text-decoration:none;}
.footer-custom a:hover, .site-footer a:hover{color:#fff; text-decoration:underline; text-underline-offset:3px;}

/* ==================================================================
   Ruhrgebiet-Skyline mit Himmel nach Tageszeit (Vorgabe, 1:1)
   ================================================================== */

/* 3a. Variablen und Grundgerüst */
:root{
  --teal: #2faf9a;
  --ink: #0e1512;   /* Skyline-Unterkante + Footer-Leiste */
  --muted: #98aaa2;
  --bg-grad: linear-gradient(
    90deg,
    rgba(47, 175, 154, 0.8407738095) 35%,
    rgba(43, 144, 54, 0.8099614846) 71%
  );
  --bg-image: none;

  /* Tageszeit (setzt assets/js/sky.js, Standard = Tag) */
  --sky-top: #2f9a88;
  --sky-mid: #3c9a60;
  --sky-bottom: #3a8f48;
  --brand-mix: 1;
  --sk-near-top: #1f2e28;
  --sk-far-top: rgba(14,21,18,0.30);
  --win: 0;
  --stars: 0;
  --sun-core: #fffbea;
  --sun-edge: #ffeab0;
  --sun-glow: rgba(255,244,210,0.35);
}

body{ margin: 0; background: var(--ink); }

/* Seite als Spalte, damit der Footer unten klebt */
.page{ min-height: 100vh; display: flex; flex-direction: column; }
.main{ position: relative; z-index: 2; flex: 1 0 auto; }

/* 3b. Himmel */
.sky{
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 58%, var(--sky-bottom) 100%);
}
/* Marken-Verlauf: tagsüber voll deckend (= bisheriges Aussehen), nachts nur noch ein Hauch */
.sky-tint{
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0) 45%, rgba(8,14,11,0.28) 100%),
    var(--bg-grad),
    var(--bg-image);
  background-size: cover;
  background-position: center;
  opacity: var(--brand-mix);
}
.sky-stars{
  position: absolute;
  inset: 0 0 35% 0;
  opacity: var(--stars);
}
.sky-stars i{
  position: absolute;
  border-radius: 50%;
  background: #fff;
}

/* 3c. Footer, Sonne/Mond, Skyline */
.site-footer{ margin-top: auto; color: var(--muted); }
.horizon{ position: relative; }

/* Sonne und Mond liegen hinter der Skyline und gehen dort auf/unter */
.celestial{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: min(72vh, 680px);
  overflow: hidden;
  pointer-events: none;
}
.sun, .moon{
  position: absolute;
  left: 50%;
  bottom: -200px;
  transform: translate(-50%, 50%);
  opacity: 0;
  transition: opacity .6s ease;
}
.sun{
  width: clamp(44px, 4.6vw, 76px);
  height: clamp(44px, 4.6vw, 76px);
  border-radius: 50%;
  background: radial-gradient(circle, var(--sun-core) 0 52%, var(--sun-edge) 68%, rgba(255,255,255,0) 71%);
  box-shadow: 0 0 70px 26px var(--sun-glow);
}
.moon{
  width: clamp(34px, 3.4vw, 56px);
  height: clamp(34px, 3.4vw, 56px);
  filter: drop-shadow(0 0 14px rgba(230,236,255,0.35));
}
.moon svg{ display: block; width: 100%; height: 100%; }
.moon-dark{ fill: rgba(200,210,230,0.10); }
.moon-lit{ fill: #f1efe4; }

.skyline{
  position: relative;
  z-index: 1;
  height: clamp(110px, 13.75vw, 220px);
  overflow: hidden;
  pointer-events: none;
}
.skyline svg{
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  height: 100%;
  width: auto;
  aspect-ratio: 1600 / 220;
  overflow: visible;
}
.sk-near-top{ stop-color: var(--sk-near-top); }
.sk-near-bottom{ stop-color: var(--ink); }
.sk-far-top{ stop-color: var(--sk-far-top); }
.sk-far-bottom{ stop-color: var(--sk-far-top); }
.sk-far{ fill: url(#skFar); }
.sk-far-line{ stroke: url(#skFar); stroke-width: 2; fill: none; }
.sk-near{ fill: url(#skNear); }
.sk-near-line{ stroke: url(#skNear); fill: none; }
.sk-windows{ fill: #ffd27a; opacity: var(--win); }
.sk-detail{ stroke: rgba(255,255,255,0.045); stroke-width: 1; fill: none; }
.sk-lit{ stroke: var(--teal); }

.footer-bar{ background: var(--ink); }