:root {
  --blue: #58B7C4;
  --blue-dark: #2F7E8A;
  --blue-soft: #E8F7F9;
  --paper: #FFFFFF;
  --ink: #142C32;
  --muted: #60787E;
  --line: #B8E0E6;
  --done: #EFF7F8;
  --danger: #D64545;
  --warning: #F2B134;
  --shadow: 0 18px 45px rgba(47, 126, 138, 0.16);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #F5FCFD 0%, #E8F7F9 100%);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app-shell {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.hero {
  display: flex;
  gap: 18px;
  align-items: center;
  background: var(--blue);
  color: white;
  padding: 22px;
  border-radius: 28px;
  box-shadow: var(--shadow);
  border: 4px solid var(--blue-dark);
}

.app-icon {
  width: 88px;
  height: 88px;
  border-radius: 24px;
  background: white;
  object-fit: cover;
  flex: 0 0 auto;
}

.eyebrow {
  margin: 0 0 4px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .78rem;
  opacity: .92;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 5px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
}

.subtitle {
  margin-bottom: 0;
  font-size: 1.05rem;
}

main {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.card, .toolbar, .data-info, .entry-card {
  background: rgba(255,255,255,.94);
  border: 2px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 10px 24px rgba(47, 126, 138, 0.08);
}

.card { padding: 20px; }
.input-card h2 { margin-bottom: 12px; }

.field-label {
  display: grid;
  gap: 7px;
  margin: 12px 0 7px;
  font-weight: 800;
  color: var(--blue-dark);
}

input[type="text"], input[type="date"], textarea {
  width: 100%;
  border: 2px solid var(--line);
  border-radius: 18px;
  font: inherit;
  color: var(--ink);
  background: white;
  padding: 13px 15px;
}

textarea { resize: vertical; }

textarea:focus, input:focus {
  outline: 3px solid rgba(88, 183, 196, .22);
  border-color: var(--blue);
}

.primary-button, .ghost-button, .tiny-button {
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  width: 100%;
  margin-top: 14px;
  padding: 15px 20px;
  color: white;
  background: var(--blue-dark);
  box-shadow: 0 10px 20px rgba(47, 126, 138, .22);
}

.primary-button:hover { filter: brightness(.95); }

.ghost-button {
  padding: 10px 14px;
  color: var(--blue-dark);
  background: var(--blue-soft);
  border: 2px solid transparent;
}

.ghost-button:hover { border-color: var(--blue); }

.small-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: .92rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
}

.import-label { display: inline-flex; align-items: center; }
.list-section h2 { margin: 8px 4px 12px; }
.entries-list { display: grid; gap: 12px; }

.entry-card {
  padding: 15px;
  display: grid;
  gap: 12px;
}

.entry-card.done {
  background: var(--done);
  opacity: .78;
}

.entry-card.overdue { border-color: var(--danger); }
.entry-card.today { border-color: var(--danger); }
.entry-card.soon { border-color: var(--warning); }

.entry-title {
  margin-bottom: 6px;
  font-size: 1.25rem;
}

.entry-description {
  margin-bottom: 8px;
  white-space: pre-wrap;
}

.entry-description:empty { display: none; }

.entry-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.flag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: .82rem;
  font-weight: 900;
}

.flag.overdue, .flag.today { background: #FFE8E8; color: #982F2F; }
.flag.soon { background: #FFF4D8; color: #7A5410; }
.flag.done { background: #EEF2F3; color: #52666B; }

.entry-meta {
  color: var(--muted);
  font-size: .9rem;
}

.entry-actions, .edit-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tiny-button {
  padding: 9px 12px;
  background: var(--blue-soft);
  color: var(--blue-dark);
}

.tiny-button.danger {
  background: #FFEAEA;
  color: #9B3131;
}

.data-info {
  padding: 14px 16px;
  color: var(--muted);
}

.data-info summary {
  cursor: pointer;
  font-weight: 900;
  color: var(--blue-dark);
}

.hidden { display: none !important; }

@media (max-width: 640px) {
  .app-shell { padding: 12px; }
  .hero { align-items: flex-start; padding: 16px; border-radius: 22px; }
  .app-icon { width: 68px; height: 68px; border-radius: 18px; }
  .entry-actions { display: grid; grid-template-columns: 1fr; }
}


/* v3: Die verbleibende Zeit ist der Hauptdarsteller. */
.entry-card {
  padding: 14px;
  gap: 14px;
  border-width: 3px;
}

.time-panel {
  display: grid;
  place-items: center;
  min-height: 112px;
  padding: 18px 12px 16px;
  border-radius: 22px;
  background: linear-gradient(180deg, #E8F7F9 0%, #D8F0F4 100%);
  border: 3px solid var(--blue);
  color: var(--blue-dark);
  text-align: center;
}

.time-value {
  font-weight: 1000;
  font-size: clamp(3.8rem, 16vw, 7.4rem);
  line-height: .82;
  letter-spacing: -0.07em;
}

.time-unit {
  margin-top: 10px;
  font-size: clamp(1.18rem, 4.8vw, 2rem);
  line-height: 1.05;
  font-weight: 950;
}

.entry-card.overdue .time-panel,
.entry-card.today .time-panel {
  background: linear-gradient(180deg, #FFE9E9 0%, #FFD7D7 100%);
  border-color: var(--danger);
  color: #8D2626;
}

.entry-card.soon .time-panel {
  background: linear-gradient(180deg, #FFF6DD 0%, #FFEAB1 100%);
  border-color: var(--warning);
  color: #7A5410;
}

.entry-card.done .time-panel {
  background: #EEF2F3;
  border-color: #B8C6CA;
  color: #52666B;
}

.entry-title {
  margin: 2px 0 8px;
  font-size: clamp(1.45rem, 6vw, 2.25rem);
  line-height: 1.02;
  font-weight: 1000;
}

.entry-description {
  font-size: 1.05rem;
  line-height: 1.35;
}

.entry-flags {
  margin: 2px 0 8px;
}

.entry-meta {
  font-size: .95rem;
}

.entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tiny-button {
  font-size: 1rem;
  padding: 11px 15px;
}

@media (max-width: 640px) {
  .time-panel {
    min-height: 116px;
    border-radius: 20px;
  }

  .time-value {
    font-size: clamp(4.4rem, 23vw, 7.8rem);
  }

  .time-unit {
    font-size: clamp(1.25rem, 6vw, 1.85rem);
  }

  .entry-card {
    padding: 12px;
    border-radius: 22px;
  }

  .entry-actions {
    grid-template-columns: 1fr 1fr;
  }

  .entry-actions .danger {
    grid-column: 1 / -1;
  }
}


/* v5: Restzeit ist der Chef im Raum. Nicht dekorativ, sondern Hauptinformation. */
.entry-card {
  gap: 16px;
}

.time-panel {
  width: 100%;
  min-height: 168px;
  padding: 24px 14px 22px;
  border-radius: 26px;
  border-width: 4px;
  display: grid;
  place-items: center;
  align-content: center;
}

.time-value {
  display: block;
  font-size: clamp(5.8rem, 22vw, 10.5rem);
  line-height: .74;
  font-weight: 1000;
  letter-spacing: -0.08em;
}

.time-unit {
  display: block;
  margin-top: 16px;
  font-size: clamp(1.55rem, 6vw, 2.65rem);
  line-height: 1;
  font-weight: 1000;
}

.entry-title {
  font-size: clamp(1.55rem, 6vw, 2.3rem);
}

@media (max-width: 640px) {
  .time-panel {
    min-height: 178px;
    padding: 26px 12px 24px;
    border-radius: 24px;
  }

  .time-value {
    font-size: clamp(6.2rem, 31vw, 9.8rem);
    line-height: .72;
  }

  .time-unit {
    margin-top: 18px;
    font-size: clamp(1.65rem, 8vw, 2.35rem);
  }
}


/* v6: Typografie-Feinschliff. Maximal Bold, Deadline-Zeile groesser, Countdown-Zahl weniger schwer. */
.time-panel {
  gap: 6px;
}

.time-prefix {
  min-height: 1.2em;
  font-size: clamp(1.1rem, 4.5vw, 1.65rem);
  line-height: 1;
  font-weight: 700;
  opacity: .9;
}

.time-value {
  font-weight: 700;
  letter-spacing: -0.055em;
}

.time-unit {
  margin-top: 4px;
  font-weight: 700;
}

.entry-title {
  font-weight: 700;
  color: var(--ink);
}

.field-label,
.primary-button,
.ghost-button,
.tiny-button,
.flag,
.data-info summary {
  font-weight: 700;
}

.entry-flags .flag {
  font-size: .98rem;
  line-height: 1.15;
  padding: 7px 12px;
}

.entry-meta {
  font-size: 1rem;
  line-height: 1.35;
}

@media (max-width: 640px) {
  .time-prefix {
    font-size: clamp(1.1rem, 5.5vw, 1.55rem);
  }

  .entry-flags .flag {
    font-size: .98rem;
  }
}


/* v7: Feinschliff FK. */
.label-optional {
  font-weight: 700;
  opacity: .82;
}

.time-panel {
  padding-top: 22px;
  padding-bottom: 20px;
}

.entry-flags .flag {
  font-size: 1.05rem;
  line-height: 1.25;
}

.entry-meta {
  font-size: .98rem;
  line-height: 1.35;
  background: transparent;
  padding: 0;
}

.update-box {
  padding: 14px 16px 18px;
  text-align: center;
  background: rgba(255,255,255,.72);
  border: 2px dashed var(--line);
  border-radius: 24px;
}

.refresh-button {
  width: 100%;
  max-width: 420px;
}

@media (max-width: 640px) {
  .time-panel {
    padding-top: 23px;
    padding-bottom: 22px;
  }
}


/* v8: Countdown-Farbcodierung. Nur die Restzeit-Kachel wird lauter. */
.entry-card.later .time-panel {
  background: linear-gradient(180deg, #E8F7F9 0%, #D8F0F4 100%);
  border-color: #58B7C4;
  color: #2F7E8A;
}

.entry-card.soon .time-panel {
  background: linear-gradient(180deg, #FFF6DD 0%, #FFE5A3 100%);
  border-color: #F2B134;
  color: #7A5410;
}

.entry-card.urgent .time-panel {
  background: linear-gradient(180deg, #FFF0E6 0%, #FFD0B8 100%);
  border-color: #E8753A;
  color: #9A3F16;
}

.entry-card.today .time-panel,
.entry-card.overdue .time-panel {
  background: linear-gradient(180deg, #FFE9E9 0%, #FFCFCF 100%);
  border-color: #C62828;
  color: #8D2626;
}

.entry-card.urgent { border-color: #E8753A; }
.entry-card.today,
.entry-card.overdue { border-color: #C62828; }