/* =============================================================
   Matura-Lernplan — editorial light, warm paper, display typography
   ============================================================= */

:root {
  /* palette — deep ink on warm paper */
  --paper-0: oklch(98.5% 0.008 85);      /* cream white, warmer than #fff */
  --paper-1: oklch(96.5% 0.012 80);      /* card surface */
  --paper-2: oklch(94% 0.016 78);        /* nested surface */
  --paper-3: oklch(90% 0.018 75);        /* pressed state */

  --ink-0:  oklch(14% 0.015 60);         /* deep warm ink, never pure black */
  --ink-1:  oklch(26% 0.012 60);
  --ink-2:  oklch(42% 0.01  60);
  --ink-3:  oklch(56% 0.008 60);         /* muted */
  --ink-4:  oklch(72% 0.006 60);         /* faint */

  --rule:      oklch(82% 0.012 75);
  --rule-soft: oklch(89% 0.01  75);

  --accent:     oklch(62% 0.18 45);      /* warm burnt amber */
  --accent-ink: oklch(99% 0.01 80);
  --accent-wash: oklch(96% 0.03 55);

  --dic:     oklch(52% 0.18 260);
  --deutsch: oklch(58% 0.19 28);
  --mathe:   oklch(52% 0.15 155);

  --danger:  oklch(56% 0.22 25);

  /* typography */
  --serif: 'Instrument Serif', ui-serif, Georgia, 'Times New Roman', serif;
  --sans:  'Inter', -apple-system, 'SF Pro Text', system-ui, sans-serif;
  --mono:  'JetBrains Mono', 'SF Mono', ui-monospace, Menlo, monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(40% 0.02 60 / 0.06);
  --shadow-md: 0 8px 24px -8px oklch(40% 0.02 60 / 0.1), 0 2px 6px -2px oklch(40% 0.02 60 / 0.05);
  --shadow-lg: 0 30px 60px -20px oklch(40% 0.02 60 / 0.18), 0 8px 20px -6px oklch(40% 0.02 60 / 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  font-family: var(--sans);
  font-feature-settings: 'ss01', 'cv11', 'tnum';
  background: var(--paper-0);
  color: var(--ink-1);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
  overflow-x: hidden;
}

/* paper grain — extremely subtle */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: 0.03; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.8 0'/></filter><rect width='140' height='140' filter='url(%23n)'/></svg>");
}

#root { position: relative; z-index: 2; }

.serif   { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
.mono    { font-family: var(--mono); letter-spacing: 0.02em; }
.uc      { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.72rem; font-weight: 500; }

button, input, select {
  font: inherit; color: inherit; background: none; border: none; outline: none;
}
button { cursor: pointer; }

/* ============================================================
   AUTH SCREEN
   ============================================================ */

.auth {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 24px;
  position: relative;
}
.auth::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 20% 10%, oklch(90% 0.06 55 / 0.5), transparent 60%),
    radial-gradient(40% 40% at 90% 90%, oklch(88% 0.08 240 / 0.25), transparent 60%);
  pointer-events: none;
}
.auth-card {
  position: relative; z-index: 1;
  width: 100%; max-width: 460px;
  background: var(--paper-0);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 56px 44px;
  box-shadow: var(--shadow-lg);
}
.auth-card .eyebrow {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink-3); margin-bottom: 20px;
}
.auth-card .eyebrow::after {
  content: ''; flex: 1; height: 1px; background: var(--rule);
}
.auth-card h1 {
  font-family: var(--serif);
  font-size: clamp(3rem, 2rem + 4vw, 4.5rem);
  line-height: 0.95;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink-0);
  margin-bottom: 8px;
}
.auth-card h1 em {
  font-style: italic;
  color: var(--accent);
}
.auth-card .tag {
  color: var(--ink-2);
  margin-bottom: 36px;
  font-size: 0.95rem;
  max-width: 36ch;
}

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field > label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-3); font-weight: 500; }
.field input {
  padding: 12px 14px;
  background: var(--paper-1);
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink-0);
  transition: border-color 0.2s var(--ease), background 0.2s;
}
.field input:hover { border-color: var(--ink-4); }
.field input:focus { border-color: var(--accent); background: var(--paper-0); }

.auth-submit {
  width: 100%;
  padding: 14px;
  background: var(--ink-0);
  color: var(--paper-0);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 2px;
  margin-top: 8px;
  transition: transform 0.2s var(--ease), background 0.2s;
}
.auth-submit:hover { background: var(--accent); color: var(--accent-ink); transform: translateY(-1px); }
.auth-submit:active { transform: translateY(0); }

.auth-error {
  padding: 10px 14px;
  background: oklch(94% 0.04 25);
  color: oklch(38% 0.18 25);
  border-left: 2px solid var(--danger);
  font-size: 0.85rem;
  margin-bottom: 16px;
  border-radius: 2px;
}

.auth-meta {
  margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--rule-soft);
  color: var(--ink-4); font-size: 0.75rem; display: flex; justify-content: space-between;
}

/* ============================================================
   APP SHELL
   ============================================================ */

.app {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px clamp(20px, 4vw, 56px) 120px;
}

/* --- top bar --- */
.app-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 56px; gap: 20px;
}
.brand-mark {
  display: flex; align-items: baseline; gap: 14px;
  font-family: var(--serif);
  color: var(--ink-0);
}
.brand-mark .num { font-size: 1.4rem; font-style: italic; color: var(--accent); }
.brand-mark .txt { font-size: 1.1rem; letter-spacing: -0.01em; }
.brand-mark .txt em { font-style: italic; color: var(--ink-3); }

.user-menu { display: flex; align-items: center; gap: 14px; color: var(--ink-2); font-size: 0.85rem; }
.user-menu .who { display: flex; align-items: center; gap: 8px; color: var(--ink-1); font-weight: 500; }
.user-menu .who::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.user-menu button {
  padding: 6px 12px; color: var(--ink-2); font-size: 0.8rem;
  border: 1px solid var(--rule); border-radius: 2px;
  transition: all 0.2s;
}
.user-menu button:hover { border-color: var(--ink-0); color: var(--ink-0); }

/* --- hero countdown --- */
.hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: end;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 48px;
}
.hero-lead { }
.hero-lead .eyebrow { color: var(--ink-3); margin-bottom: 14px; }
.hero-lead h2 {
  font-family: var(--serif);
  font-size: clamp(3.6rem, 2rem + 6vw, 7rem);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--ink-0);
  margin-bottom: 18px;
}
.hero-lead h2 em { font-style: italic; color: var(--accent); }
.hero-lead p { color: var(--ink-2); max-width: 44ch; }

.exam-stack { display: flex; flex-direction: column; gap: 14px; }
.exam-row {
  display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 18px;
  padding-bottom: 14px; border-bottom: 1px solid var(--rule-soft);
}
.exam-row:last-child { border-bottom: none; padding-bottom: 0; }
.exam-row .fach {
  font-family: var(--serif); font-size: 1.3rem; font-style: italic; color: var(--ink-0);
  display: flex; align-items: center; gap: 10px;
}
.exam-row .fach::before { content: ''; width: 6px; height: 6px; border-radius: 50%; }
.exam-row[data-f="dic"]     .fach::before { background: var(--dic); }
.exam-row[data-f="deutsch"] .fach::before { background: var(--deutsch); }
.exam-row[data-f="mathe"]   .fach::before { background: var(--mathe); }
.exam-row .date { color: var(--ink-3); font-size: 0.85rem; letter-spacing: 0.02em; }
.exam-row .count {
  font-family: var(--serif); font-style: italic;
  font-size: 2.2rem; line-height: 1;
  color: var(--ink-0);
}
.exam-row .count small { font-family: var(--sans); font-style: normal; font-size: 0.7rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.14em; display: block; margin-top: 4px; }

/* --- bento row --- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}
.card {
  background: var(--paper-1);
  border: 1px solid var(--rule-soft);
  border-radius: 2px;
  padding: 28px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s var(--ease), border-color 0.25s;
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--rule); }
.card .card-eyebrow { color: var(--ink-3); margin-bottom: 18px; display: flex; align-items: center; justify-content: space-between; }
.card .card-eyebrow .num { color: var(--ink-4); font-family: var(--mono); }

.subject-card { grid-column: span 4; display: flex; flex-direction: column; gap: 18px; }
.subject-card .head { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.subject-card h3 { font-family: var(--serif); font-size: 2rem; font-weight: 400; letter-spacing: -0.02em; color: var(--ink-0); }
.subject-card .exam-mini { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-3); }
.subject-card .ring-wrap { position: relative; width: 92px; height: 92px; flex-shrink: 0; }
.ring-wrap svg { transform: rotate(-90deg); }
.ring-wrap .ring-bg { stroke: var(--paper-3); }
.ring-wrap .ring-fg { transition: stroke-dashoffset 0.6s var(--ease); }
.ring-wrap .ring-pct {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--serif); font-style: italic; font-size: 1.3rem; color: var(--ink-0);
}

.subject-card .stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding-top: 14px; border-top: 1px solid var(--rule-soft); }
.subject-card .stat .k { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-3); margin-bottom: 4px; }
.subject-card .stat .v { font-family: var(--serif); font-style: italic; font-size: 1.4rem; color: var(--ink-0); }
.subject-card .stat .v small { font-family: var(--sans); font-style: normal; font-size: 0.7rem; color: var(--ink-3); margin-left: 2px; }

/* --- leaderboard --- */
.leaderboard { grid-column: span 12; margin-top: 8px; }
.leaderboard h3 { font-family: var(--serif); font-size: 2.4rem; font-weight: 400; letter-spacing: -0.02em; margin-bottom: 6px; color: var(--ink-0); }
.leaderboard .lb-sub { color: var(--ink-2); margin-bottom: 24px; font-size: 0.9rem; }

.lb-list { display: flex; flex-direction: column; }
.lb-row {
  display: grid;
  grid-template-columns: 60px 1fr auto auto auto;
  align-items: center;
  gap: 24px;
  padding: 18px 4px;
  border-top: 1px solid var(--rule-soft);
  transition: background 0.2s;
}
.lb-row:last-child { border-bottom: 1px solid var(--rule-soft); }
.lb-row:hover { background: var(--paper-2); }
.lb-row.me { background: var(--accent-wash); }

.lb-rank {
  font-family: var(--serif); font-style: italic;
  font-size: 2.8rem; line-height: 1;
  color: var(--ink-4);
}
.lb-row:nth-child(1) .lb-rank { color: var(--accent); }
.lb-row:nth-child(2) .lb-rank { color: var(--ink-0); }
.lb-row:nth-child(3) .lb-rank { color: var(--ink-2); }

.lb-name { font-size: 1.1rem; font-weight: 500; color: var(--ink-0); }
.lb-name small { display: block; color: var(--ink-3); font-family: var(--mono); font-size: 0.7rem; font-weight: 400; margin-top: 2px; }

.lb-splits { display: flex; gap: 16px; color: var(--ink-2); font-size: 0.82rem; font-family: var(--mono); }
.lb-splits span { display: flex; align-items: center; gap: 6px; }
.lb-splits span::before { content: ''; width: 5px; height: 5px; border-radius: 50%; }
.lb-splits .s-dic::before     { background: var(--dic); }
.lb-splits .s-deutsch::before { background: var(--deutsch); }
.lb-splits .s-mathe::before   { background: var(--mathe); }

.lb-week { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-2); }
.lb-week strong { color: var(--accent); font-weight: 600; }

.lb-total {
  font-family: var(--serif); font-style: italic;
  font-size: 2.2rem; color: var(--ink-0);
  min-width: 110px; text-align: right;
}
.lb-total small { font-family: var(--sans); font-style: normal; font-size: 0.65rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.14em; margin-left: 4px; }

/* --- toolbar --- */
.toolbar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 24px;
}
.toolbar h2 {
  font-family: var(--serif); font-weight: 400; font-size: 2.2rem;
  letter-spacing: -0.02em; margin-right: auto; color: var(--ink-0);
}
.toolbar h2 em { font-style: italic; color: var(--ink-3); }

.btn {
  padding: 10px 18px; border: 1px solid var(--rule);
  border-radius: 2px; font-size: 0.85rem; font-weight: 500;
  color: var(--ink-1); background: var(--paper-0);
  transition: all 0.2s var(--ease);
}
.btn:hover { border-color: var(--ink-0); color: var(--ink-0); background: var(--paper-1); transform: translateY(-1px); }
.btn.primary { background: var(--ink-0); color: var(--paper-0); border-color: var(--ink-0); font-weight: 600; }
.btn.primary:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.ghost { background: transparent; }
.btn.danger:hover { border-color: var(--danger); color: var(--danger); }

/* --- days --- */
.days { display: grid; gap: 14px; }
.day {
  background: var(--paper-1);
  border: 1px solid var(--rule-soft);
  border-radius: 2px;
  padding: 20px 24px;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s;
}
.day:hover { border-color: var(--rule); box-shadow: var(--shadow-sm); }
.day.today { border-color: var(--accent); background: linear-gradient(90deg, var(--accent-wash), var(--paper-1) 35%); box-shadow: var(--shadow-sm); }
.day.past { opacity: 0.55; }
.day.exam { background: var(--paper-2); border-color: var(--rule); }
.day.weekend { background: var(--paper-0); }

.day-head {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 14px;
}
.day-head .date-num {
  font-family: var(--serif); font-style: italic;
  font-size: 2.2rem; line-height: 1; color: var(--ink-0);
  min-width: 60px;
}
.day-head .date-meta { display: flex; flex-direction: column; gap: 2px; }
.day-head .dow { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--ink-3); }
.day-head .month { font-family: var(--serif); color: var(--ink-2); font-size: 0.95rem; letter-spacing: -0.01em; }

.day-head .badges { display: flex; gap: 6px; flex-wrap: wrap; }
.day-head .tag-exam {
  font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.16em;
  padding: 4px 10px; background: var(--ink-0); color: var(--paper-0);
  border-radius: 2px; font-weight: 500;
}
.day-head .tag-label {
  font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.16em;
  padding: 4px 10px; background: var(--paper-3); color: var(--ink-2);
  border-radius: 2px;
}

.day-head .stat {
  font-family: var(--serif); font-style: italic;
  font-size: 1.4rem; color: var(--ink-0);
}
.day-head .stat small { font-family: var(--sans); font-style: normal; font-size: 0.7rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.14em; margin-left: 4px; }
.day-head .add-inline {
  padding: 6px 12px; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em;
  border: 1px solid var(--rule); color: var(--ink-2); border-radius: 2px; background: transparent;
  transition: all 0.2s;
}
.day-head .add-inline:hover { border-color: var(--accent); color: var(--accent); }

.blocks { display: flex; flex-direction: column; gap: 4px; }
.blk {
  display: grid;
  grid-template-columns: 140px 1fr auto auto;
  align-items: center; gap: 16px;
  padding: 10px 14px;
  background: var(--paper-2);
  border-left: 3px solid var(--rule);
  border-radius: 2px;
  transition: all 0.2s var(--ease);
  position: relative;
}
.blk:hover { transform: translateX(3px); background: var(--paper-3); }
.blk[data-s="dic"]     { border-left-color: var(--dic); }
.blk[data-s="deutsch"] { border-left-color: var(--deutsch); }
.blk[data-s="mathe"]   { border-left-color: var(--mathe); }
.blk[data-t="pause"]       { border-left-style: dotted; opacity: 0.6; background: transparent; }
.blk[data-t="extra"]       { border-left-style: dashed; }
.blk[data-t="unterricht"]  { background: oklch(93% 0.03 300); }

.blk .time { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-3); letter-spacing: 0.02em; }
.blk .label { display: flex; flex-direction: column; gap: 2px; }
.blk .label .title { color: var(--ink-0); font-weight: 500; display: flex; align-items: center; gap: 10px; }
.blk .label .note { color: var(--ink-2); font-size: 0.8rem; font-family: var(--serif); font-style: italic; }
.blk .typetag {
  font-family: var(--mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.16em;
  padding: 2px 6px; background: var(--paper-0); color: var(--ink-2); border-radius: 2px; border: 1px solid var(--rule-soft);
}
.blk .dur { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-3); }
.blk .del {
  padding: 4px 8px; color: var(--ink-4); font-size: 0.9rem; line-height: 1;
  opacity: 0; transition: all 0.2s;
}
.blk:hover .del { opacity: 1; }
.blk .del:hover { color: var(--danger); }

.empty { color: var(--ink-4); font-family: var(--serif); font-style: italic; padding: 6px 0; }

/* ============================================================
   DIALOG
   ============================================================ */
.dialog {
  border: 1px solid var(--rule);
  background: var(--paper-0);
  color: var(--ink-1);
  border-radius: 2px;
  padding: 36px;
  max-width: 480px;
  width: calc(100% - 32px);
  box-shadow: var(--shadow-lg);
}
.dialog::backdrop { background: oklch(14% 0.02 60 / 0.35); backdrop-filter: blur(4px); }
.dialog h2 { font-family: var(--serif); font-weight: 400; font-size: 1.8rem; margin-bottom: 24px; letter-spacing: -0.02em; color: var(--ink-0); }
.dialog h2 em { font-style: italic; color: var(--accent); }
.dialog form { display: flex; flex-direction: column; gap: 14px; }
.dialog label { display: flex; flex-direction: column; gap: 6px; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-3); font-weight: 500; }
.dialog input, .dialog select {
  padding: 12px 14px;
  background: var(--paper-1);
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink-0);
  font-family: var(--sans);
  font-size: 0.95rem;
  text-transform: none; letter-spacing: 0;
  transition: border-color 0.2s, background 0.2s;
}
.dialog input:hover, .dialog select:hover { border-color: var(--ink-4); }
.dialog input:focus, .dialog select:focus { border-color: var(--accent); background: var(--paper-0); }
.dialog .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 14px; align-items: center; }
.dialog-actions #editDeleteBtn { margin-right: auto; }
.dialog-actions #editDeleteBtn[hidden] { display: none; }

/* Dauer-Chips */
.dur-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: -6px; }
.dur-chips button {
  padding: 6px 12px;
  background: var(--paper-1);
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.18s var(--ease);
}
.dur-chips button:hover { border-color: var(--ink-0); color: var(--ink-0); }
.dur-chips button.active {
  background: var(--ink-0); color: var(--paper-0); border-color: var(--ink-0);
}

/* ============================================================
   CALENDAR (Woche)
   ============================================================ */
.calendar { margin-top: 8px; }

.week-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding: 14px 18px;
  background: var(--paper-1);
  border: 1px solid var(--rule-soft);
  border-radius: 2px;
}
.week-nav .btn { padding: 8px 14px; }
.week-nav .btn[disabled] { opacity: 0.35; cursor: not-allowed; transform: none; }
.week-label {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2px;
}
.week-label .week-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ink-3);
}
.week-label .week-range {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--ink-0);
  letter-spacing: -0.01em;
}
#weekToday { margin-left: 8px; }

.calendar-grid {
  display: grid;
  grid-template-columns: 58px repeat(7, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  border-radius: 2px;
  overflow: hidden;
}

.time-axis { background: var(--paper-0); display: flex; flex-direction: column; }
.time-axis-head { height: 56px; border-bottom: 1px solid var(--rule-soft); background: var(--paper-1); }
.time-axis-col { position: relative; }
.hour-label {
  position: absolute;
  left: 0; right: 0;
  padding-right: 8px;
  text-align: right;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-3);
  transform: translateY(-50%);
  letter-spacing: 0.06em;
}

.day-col {
  background: var(--paper-0);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background 0.25s var(--ease);
}
.day-col.weekend { background: var(--paper-1); }
.day-col.today { background: var(--accent-wash); }
.day-col.exam { background: oklch(94% 0.04 30); }
.day-col.past { opacity: 0.5; }
.day-col.out { background: var(--paper-2); opacity: 0.3; pointer-events: none; }

.day-col-head {
  padding: 10px 12px;
  height: 56px;
  border-bottom: 1px solid var(--rule-soft);
  background: var(--paper-1);
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}
.day-col.today .day-col-head { background: var(--accent-wash); border-bottom-color: var(--accent); }
.day-col.exam  .day-col-head { background: var(--ink-0); color: var(--paper-0); }

.day-col-date { display: flex; align-items: baseline; gap: 8px; }
.day-col-date .dow {
  font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.18em; color: var(--ink-3);
}
.day-col.exam .day-col-date .dow { color: var(--paper-2); }
.day-col-date .date-num {
  font-family: var(--serif); font-style: italic; font-size: 1.5rem; line-height: 1;
  color: var(--ink-0);
}
.day-col.exam .day-col-date .date-num { color: var(--paper-0); }
.day-col-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.day-col-meta .tag-exam,
.day-col-meta .tag-label {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 2px 6px; border-radius: 2px;
}
.day-col-meta .tag-exam { background: var(--accent); color: var(--accent-ink); }
.day-col.exam .day-col-meta .tag-exam { background: var(--paper-0); color: var(--ink-0); }
.day-col-meta .tag-label { background: var(--paper-3); color: var(--ink-2); border: 1px solid var(--rule-soft); }
.day-col-meta .day-col-total {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-2);
  font-weight: 600;
}
.day-col.exam .day-col-meta .day-col-total { color: var(--paper-0); }

.day-slots {
  position: relative;
  flex: 1;
  cursor: crosshair;
}
.hour-line {
  position: absolute;
  left: 0; right: 0;
  border-top: 1px solid var(--rule-soft);
  pointer-events: none;
}
.hour-line:nth-child(odd) { border-top-color: oklch(92% 0.01 75); }

/* absolut positionierte Blöcke */
.blk-abs {
  position: absolute;
  left: 4px;
  right: 4px;
  background: var(--paper-0);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--ink-2);
  border-radius: 2px;
  padding: 6px 8px;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  transition: transform 0.15s var(--ease), box-shadow 0.15s, top 0s, height 0s;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.blk-abs:hover { transform: scale(1.015); box-shadow: var(--shadow-md); z-index: 2; }
.blk-abs.dragging {
  opacity: 0.92;
  z-index: 10;
  box-shadow: var(--shadow-lg);
  transform: none;
  transition: none;
}

/* Visuelle Handles oben + unten */
.blk-abs::before,
.blk-abs::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 2px;
  background: var(--ink-2);
  opacity: 0;
  border-radius: 2px;
  transition: opacity 0.15s;
  pointer-events: none;
}
.blk-abs::before { top: 3px; }
.blk-abs::after  { bottom: 3px; }
.blk-abs:hover::before,
.blk-abs:hover::after { opacity: 0.35; }
.blk-abs.dragging::before,
.blk-abs.dragging::after { opacity: 0.6; }
.blk-abs[data-s="dic"]     { border-left-color: var(--dic);     background: oklch(96% 0.04 260); }
.blk-abs[data-s="deutsch"] { border-left-color: var(--deutsch); background: oklch(95% 0.04 30); }
.blk-abs[data-s="mathe"]   { border-left-color: var(--mathe);   background: oklch(95% 0.04 155); }
.blk-abs[data-t="pause"]       { border-left-style: dotted; background: var(--paper-2); }
.blk-abs[data-t="extra"]       { border-left-style: dashed; }
.blk-abs[data-t="unterricht"]  { background: oklch(94% 0.04 300); border-left-color: oklch(50% 0.15 300); }

.blk-abs-title {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--ink-0);
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.blk-abs-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.blk-abs-meta .blk-abs-type {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.58rem;
  padding: 1px 5px;
  background: oklch(from var(--paper-0) l c h / 0.7);
  border-radius: 2px;
}
.blk-abs-note {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.75rem;
  color: var(--ink-2);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.blk-abs.compact .blk-abs-meta,
.blk-abs.compact .blk-abs-note { display: none; }
.blk-abs.compact { padding: 3px 6px; }
.blk-abs.compact .blk-abs-title { font-size: 0.72rem; }

.blk-abs-del {
  position: absolute;
  top: 2px; right: 2px;
  width: 18px; height: 18px;
  padding: 0;
  font-size: 0.7rem;
  color: var(--ink-3);
  background: oklch(from var(--paper-0) l c h / 0.7);
  border-radius: 2px;
  opacity: 0;
  line-height: 1;
  display: grid; place-items: center;
}
.blk-abs:hover .blk-abs-del { opacity: 1; }
.blk-abs-del:hover { color: var(--danger); background: var(--paper-0); }

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 1100px) {
  .calendar-grid { grid-template-columns: 46px repeat(7, minmax(0, 1fr)); }
  .day-col-head { padding: 8px 6px; height: 56px; }
  .day-col-date .date-num { font-size: 1.15rem; }
  .blk-abs-meta { font-size: 0.58rem; }
}
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 36px; }
  .subject-card { grid-column: span 12; }
  .week-nav { flex-wrap: wrap; }
  .week-label { order: -1; width: 100%; }
}
@media (max-width: 720px) {
  .calendar-grid {
    grid-template-columns: 44px repeat(7, 140px);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }
  .time-axis { position: sticky; left: 0; z-index: 3; }
  .day-col { scroll-snap-align: start; }
}
@media (max-width: 640px) {
  .app { padding: 28px 16px 80px; }
  .blk { grid-template-columns: 110px 1fr auto; }
  .blk .dur { display: none; }
  .lb-row { grid-template-columns: 44px 1fr auto; gap: 14px; }
  .lb-splits, .lb-week { display: none; }
  .lb-total { font-size: 1.5rem; min-width: auto; }
  .lb-rank { font-size: 2rem; }
  .day-head { grid-template-columns: auto 1fr auto; }
  .day-head .add-inline { grid-column: 1 / -1; margin-top: 8px; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.app-footer {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--rule-soft);
  color: var(--ink-3);
  font-size: 0.85rem;
}
.foot-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 20px;
}
.foot-left { display: flex; gap: 18px; align-items: baseline; flex-wrap: wrap; }
.foot-left .uc { color: var(--ink-2); }
.foot-left .foot-quote { font-family: var(--serif); font-style: italic; color: var(--ink-2); font-size: 1rem; }
.foot-right { display: flex; gap: 18px; align-items: center; color: var(--ink-3); }
.foot-right kbd {
  display: inline-block;
  padding: 1px 8px;
  background: var(--paper-1);
  border: 1px solid var(--rule);
  border-bottom-width: 2px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-0);
}
.foot-v { color: var(--ink-4); }

/* ============================================================
   EASTER EGGS
   ============================================================ */

/* Confetti */
.confetti-piece {
  position: fixed;
  top: -20px;
  width: 8px;
  height: 14px;
  pointer-events: none;
  z-index: 9999;
  border-radius: 1px;
  animation: confetti-fall linear forwards;
}
@keyframes confetti-fall {
  0%   { transform: translateY(-20px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(110vh) rotate(var(--rot, 720deg)); opacity: 0.9; }
}

/* Toast */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 24px;
  background: var(--ink-0);
  color: var(--paper-0);
  border-radius: 2px;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  z-index: 9999;
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.35s var(--ease);
  font-family: var(--sans);
}
.toast.out { animation: toast-out 0.5s forwards; }
@keyframes toast-in  { from { opacity: 0; transform: translate(-50%, 20px); } to { opacity: 1; transform: translate(-50%, 0); } }
@keyframes toast-out { to   { opacity: 0; transform: translate(-50%, -10px); } }

/* Credits panel */
.credits-panel {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--paper-0);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 44px 48px 36px;
  box-shadow: var(--shadow-lg);
  z-index: 9998;
  max-width: 440px;
  width: calc(100% - 32px);
  animation: credits-in 0.4s var(--ease);
}
@keyframes credits-in {
  from { opacity: 0; transform: translate(-50%, -44%); }
  to   { opacity: 1; transform: translate(-50%, -50%); }
}
.credits-panel h3 {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink-0);
  margin: 10px 0 18px;
}
.credits-panel h3 em { font-style: italic; color: var(--accent); }
.credits-panel p { color: var(--ink-2); margin-bottom: 8px; line-height: 1.55; }
.credits-panel .credits-eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
}
.credits-panel .credits-stats {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  margin-top: 14px;
}
.credits-panel .credits-foot {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-soft);
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-3);
  line-height: 1.7;
}
.credits-panel .credits-foot .mono {
  font-family: var(--mono);
  background: var(--paper-2);
  padding: 2px 6px;
  border-radius: 2px;
  color: var(--ink-1);
  letter-spacing: 0.02em;
}
.credits-panel .credits-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 28px;
  height: 28px;
  padding: 0;
  color: var(--ink-3);
  background: transparent;
  border: none;
  font-size: 0.9rem;
  display: grid; place-items: center;
  border-radius: 2px;
}
.credits-panel .credits-close:hover { color: var(--ink-0); background: var(--paper-2); }

/* Help overlay */
.help-overlay {
  position: fixed; inset: 0;
  background: oklch(14% 0.02 60 / 0.35);
  backdrop-filter: blur(6px);
  z-index: 9997;
  display: grid; place-items: center;
  animation: fade-in 0.2s;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.help-card {
  background: var(--paper-0);
  border: 1px solid var(--rule);
  padding: 40px 44px 32px;
  max-width: 440px;
  width: calc(100% - 32px);
  border-radius: 2px;
  box-shadow: var(--shadow-lg);
}
.help-card h3 {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--ink-0);
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}
.help-card h3 em { font-style: italic; color: var(--accent); }
.help-card dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 10px 24px;
  margin-bottom: 24px;
}
.help-card dt {
  font-family: var(--mono);
  color: var(--ink-1);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}
.help-card dd {
  color: var(--ink-2);
  font-size: 0.88rem;
}
.help-card kbd {
  display: inline-block;
  padding: 2px 8px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-bottom-width: 2px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-0);
  margin-right: 4px;
}
.help-card #helpClose { width: 100%; }

/* ============================================================
   CUSTOM CONFIRM
   ============================================================ */
.confirm-overlay {
  position: fixed; inset: 0;
  background: oklch(14% 0.02 60 / 0.35);
  backdrop-filter: blur(6px);
  z-index: 10000;
  display: grid; place-items: center;
  animation: fade-in 0.15s;
}
.confirm-card {
  background: var(--paper-0);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 32px 36px 24px;
  max-width: 420px;
  width: calc(100% - 32px);
  box-shadow: var(--shadow-lg);
  animation: credits-in 0.25s var(--ease);
}
.confirm-card p {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink-0);
  line-height: 1.45;
  margin-bottom: 24px;
  letter-spacing: -0.005em;
}
.confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}