/* ==========================================================================
   Tellerbuch – Theme „Schreibmaschine auf Karopapier“
   Stand: 07.11.2026
   Einbinden im <head>:
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Special+Elite&family=Courier+Prime:wght@400;700&display=swap" rel="stylesheet">
     <link rel="stylesheet" href="tellerbuch-theme.css">
   Einmal pro Seite direkt nach <body> den Skizzen-Filter einfügen:
     <svg width="0" height="0" style="position:absolute" aria-hidden="true">
       <filter id="sketch"><feTurbulence type="fractalNoise" baseFrequency="0.035" numOctaves="2" seed="7"/>
       <feDisplacementMap in="SourceGraphic" scale="3.5"/></filter>
     </svg>
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  --paper:#ffffff;        /* Seitenhintergrund */
  --grid:#eceef2;         /* Karolinien, bewusst sehr zart */
  --ink:#141414;          /* Text, Linien, Rahmen */
  --ink-soft:#4a4a4a;     /* Nebentexte (Datum, Labels, Hinweise) */
  --hi:#ffe600;           /* Akzent Leuchtgelb – sparsam! */
  --on-hi:#141414;        /* Text auf Gelb, immer dunkel */
  --danger:#141414;       /* Fehler: kein Rot, sondern schwarz + gestrichelt */

  --font-type:"Special Elite","Courier New",Courier,monospace;   /* Überschriften, große Zahlen, Buttons */
  --font-body:"Courier Prime","Courier New",Courier,monospace;   /* Fließtext, Listen, Formulare */

  --grid-size:20px;
  --space-xs:4px; --space-s:10px; --space-m:18px; --space-l:28px; --space-xl:40px;
  --radius-sketch:6px 10px 7px 12px;   /* bewusst ungleich = handgezeichnet */
  --stroke:2px; --stroke-strong:2.5px;
  --tap-min:48px;                       /* Mindesthöhe für alles Tippbare */

  color-scheme:light;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#151515; --grid:#1d2024; --ink:#f2f2f2; --ink-soft:#b4b4b4; --danger:#f2f2f2;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#151515; --grid:#1d2024; --ink:#f2f2f2; --ink-soft:#b4b4b4; --danger:#f2f2f2;
  color-scheme:dark;
}

/* ---------- Grundlage ---------- */
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px);-webkit-text-size-adjust:100%}
body{
  margin:0; color:var(--ink); font-family:var(--font-body); font-size:17px; line-height:1.45;
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:var(--grid-size) var(--grid-size);
  min-height:100%;
}
.tb-type, h1, h2, h3{font-family:var(--font-type);font-weight:400;letter-spacing:.02em}
h1{font-size:1.9rem;margin:0}
h2{font-size:1.25rem;margin:var(--space-xl) 0 var(--space-s)}
h3{font-size:1.1rem;margin:var(--space-l) 0 var(--space-s)}
.tb-soft{color:var(--ink-soft)}
.tb-app{max-width:440px;margin:0 auto;padding:var(--space-l) 20px 140px}

/* ---------- Textmarker (gelb hinterlegt) ---------- */
.tb-mark{position:relative;display:inline-block;padding:0 .15em;z-index:0}
.tb-mark::after{
  content:"";position:absolute;left:-.1em;right:-.15em;top:.18em;bottom:.02em;z-index:-1;
  background:var(--hi);transform:rotate(-1.2deg);border-radius:3px 8px 4px 9px;
}

/* ---------- Skizzen-Rahmen (für Karten, Boxen) ---------- */
.tb-box{position:relative;padding:var(--space-m)}
.tb-box::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  border:var(--stroke) solid var(--ink);border-radius:var(--radius-sketch);filter:url(#sketch);
}

/* ---------- Buttons ---------- */
.tb-btn{
  all:unset;box-sizing:border-box;cursor:pointer;position:relative;z-index:0;
  display:flex;align-items:center;justify-content:center;gap:12px;
  min-height:var(--tap-min);padding:0 18px;color:var(--ink);
  font-family:var(--font-type);font-size:1.05rem;text-align:center;
  -webkit-tap-highlight-color:transparent;
}
.tb-btn::before{content:"";position:absolute;inset:0;border:var(--stroke-strong) solid var(--ink);
  border-radius:8px 12px 9px 14px;filter:url(#sketch)}
.tb-btn--primary{min-height:60px;font-size:1.25rem;color:var(--on-hi)}
.tb-btn--primary::after{content:"";position:absolute;inset:3px;z-index:-1;background:var(--hi);border-radius:8px 12px 9px 14px}
.tb-btn--quiet::before{border-style:dashed}
.tb-btn svg{width:30px;height:30px;flex:none}
.tb-btn:active{transform:translateY(1px) rotate(-.4deg)}
.tb-btn:focus-visible{outline:3px dashed var(--ink);outline-offset:4px}
.tb-btn[disabled],.tb-btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}
.tb-btn.is-loading{pointer-events:none}
.tb-btn.is-loading .tb-btn__label::after{content:"";animation:tb-dots 1.2s steps(4) infinite}
@keyframes tb-dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}

/* Feste Aktionsleiste unten (Daumenbereich) */
.tb-actions{position:fixed;left:0;right:0;bottom:0;z-index:5;
  padding:14px 20px calc(16px + env(safe-area-inset-bottom,0px));
  background:linear-gradient(transparent,var(--paper) 30%)}
.tb-actions__inner{max-width:400px;margin:0 auto;display:grid;gap:10px}

/* ---------- Listen (Mahlzeiten) ---------- */
.tb-list{list-style:none;margin:0;padding:0}
.tb-row{display:grid;grid-template-columns:4.2em 1fr auto;gap:10px;align-items:baseline;
  padding:14px 4px;border-bottom:1.5px dashed var(--ink-soft);min-height:var(--tap-min)}
.tb-row time{font-weight:700}
.tb-row__name{line-height:1.3;overflow-wrap:anywhere}
.tb-row__kcal{white-space:nowrap}
.tb-row--button{all:unset;box-sizing:border-box;display:grid;grid-template-columns:4.2em 1fr auto;gap:10px;
  align-items:baseline;padding:14px 4px;border-bottom:1.5px dashed var(--ink-soft);width:100%;cursor:pointer}
.tb-row--button:focus-visible{outline:3px dashed var(--ink);outline-offset:2px}

/* ---------- Formulare ---------- */
.tb-field{display:grid;gap:6px;margin:0 0 var(--space-m)}
.tb-label{font-family:var(--font-type);font-size:1rem}
.tb-input,.tb-select,.tb-textarea{
  font:inherit;color:var(--ink);background:var(--paper);width:100%;
  min-height:var(--tap-min);padding:10px 12px;
  border:none;border-bottom:var(--stroke) solid var(--ink);border-radius:0;
  -webkit-appearance:none;appearance:none;
}
.tb-input:focus,.tb-select:focus,.tb-textarea:focus{outline:none;box-shadow:inset 0 -6px 0 var(--hi)}
.tb-input[aria-invalid="true"]{border-bottom-style:dashed}
.tb-help{font-size:.9rem;color:var(--ink-soft)}

/* Auswahl-Chips (z. B. Frühstück / Mittag / Snack / Abend) */
.tb-chips{display:flex;flex-wrap:wrap;gap:8px}
.tb-chip{all:unset;box-sizing:border-box;cursor:pointer;position:relative;z-index:0;
  min-height:40px;padding:6px 14px;display:inline-flex;align-items:center;font-family:var(--font-body)}
.tb-chip::before{content:"";position:absolute;inset:0;border:1.5px solid var(--ink);border-radius:20px 18px 22px 17px;filter:url(#sketch)}
.tb-chip[aria-pressed="true"]{color:var(--on-hi);font-weight:700}
.tb-chip[aria-pressed="true"]::after{content:"";position:absolute;inset:2px;z-index:-1;background:var(--hi);border-radius:20px 18px 22px 17px}
.tb-chip:focus-visible{outline:3px dashed var(--ink);outline-offset:3px}

/* ---------- Meldungen ---------- */
.tb-msg{position:relative;padding:12px 14px;margin:0 0 var(--space-m)}
.tb-msg::before{content:"";position:absolute;inset:0;border:var(--stroke) solid var(--ink);border-radius:var(--radius-sketch);filter:url(#sketch)}
.tb-msg--error::before{border-style:dashed;border-color:var(--danger)}
.tb-msg--error{font-weight:700}
.tb-msg--ok{background:linear-gradient(transparent 60%,var(--hi) 60%) no-repeat;background-size:100% 100%}

/* ---------- Tagesziel-Balken ---------- */
.tb-progress{position:relative;height:18px;margin-top:var(--space-s)}
.tb-progress::before{content:"";position:absolute;inset:0;border:var(--stroke) solid var(--ink);border-radius:4px 9px 5px 8px;filter:url(#sketch)}
.tb-progress__fill{position:absolute;left:3px;top:3px;bottom:3px;max-width:calc(100% - 6px);background:var(--hi)}
.tb-progress--over .tb-progress__fill{background:repeating-linear-gradient(45deg,var(--ink) 0 3px,transparent 3px 8px)}

/* ---------- Leere Zustände ---------- */
.tb-empty{text-align:center;padding:var(--space-xl) var(--space-m);color:var(--ink-soft)}
.tb-empty svg{width:72px;height:72px;color:var(--ink);margin-bottom:var(--space-s)}

/* ---------- Bewegung reduzieren ---------- */
@media (prefers-reduced-motion:reduce){
  .tb-btn:active{transform:none}
  .tb-btn.is-loading .tb-btn__label::after{animation:none;content:"..."}
}