/* Arbeitsablaufplan PWA – iPad- und touchfreundlich */
:root {
  --color-bg: #eef2f7;
  --color-surface: #ffffff;
  --color-text: #1a2332;
  --color-muted: #5c6b7e;
  --color-border: #d5dee8;
  --color-accent: #1e5a8a;
  --color-accent-hover: #164a73;
  --color-accent-soft: #e4eef6;
  --color-danger: #b42318;
  --color-danger-soft: #fde8e6;
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-card: 0 4px 24px rgba(22, 45, 72, 0.08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --touch-min: 48px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--color-text);
  background: var(--color-bg);
}

.offline-banner {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.65rem 1rem;
  text-align: center;
  font-size: 0.95rem;
  background: #fff4e5;
  color: #7a4b00;
  border-bottom: 1px solid #f0d399;
}

.offline-banner[hidden] {
  display: none !important;
}

.layout {
  max-width: 920px;
  margin: 0 auto;
  padding: 1rem 1rem 2.5rem;
  padding-bottom: max(2.5rem, env(safe-area-inset-bottom));
}

.hero {
  margin-bottom: 1.25rem;
}

.hero-title-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.5rem;
}

.hero-logo {
  display: block;
  width: auto;
  height: clamp(36px, 5vw, 52px);
  max-width: min(38vw, 180px);
  object-fit: contain;
  flex: 0 0 auto;
}

.hero-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-title {
  margin: 0;
  font-size: clamp(1.55rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-lead {
  margin: 0;
  color: var(--color-muted);
  font-size: 1rem;
  max-width: 42em;
}

@media (max-width: 560px) {
  .hero-title-row {
    gap: 0.65rem;
  }

  .hero-logo {
    height: clamp(30px, 7vw, 40px);
    max-width: 36vw;
  }

  .hero-title {
    font-size: clamp(1.3rem, 5.4vw, 1.6rem);
  }
}

.main {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  padding: 1.15rem 1.25rem;
}

.card-title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.card-hint {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.card-progress .progress-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.progress-percent {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-accent);
}

.progress-track {
  height: 12px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, #1e5a8a, #2a7ab8);
  transition: width 0.35s ease;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 999px;
  border: 2px solid transparent;
  padding: 0.55rem 1.15rem;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-touch {
  min-height: var(--touch-min);
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:active {
  background: var(--color-accent-hover);
}

.btn-secondary {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-color: transparent;
}

.btn-secondary:active {
  filter: brightness(0.96);
}

.btn-danger-outline {
  background: #fff;
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.btn-danger-outline:active {
  background: var(--color-danger-soft);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-danger:active {
  filter: brightness(1.05);
}

.btn-pdf {
  width: 100%;
  min-height: 56px;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #1e5a8a, #2563a8);
  color: #fff;
  border: none;
  box-shadow: 0 6px 20px rgba(30, 90, 138, 0.35);
}

.btn-pdf:active {
  transform: scale(0.99);
}

.card-pdf {
  text-align: center;
}

.pdf-hint {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .field-grid {
    grid-template-columns: 1fr 1fr;
  }

  .field-span-2 {
    grid-column: span 2;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}

.field-input,
.field-textarea {
  width: 100%;
  font: inherit;
  font-size: 1.05rem;
  color: var(--color-text);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.85rem;
  background: #fafbfd;
  scroll-margin-bottom: 120px;
}

.field-input:focus,
.field-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(30, 90, 138, 0.15);
}

.field-textarea {
  min-height: 4.5rem;
  resize: vertical;
  line-height: 1.4;
}

.field-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.phase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 700px) {
  .phase-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.phase-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  background: #fbfcfe;
}

.phase-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent);
}

.phase-card textarea {
  width: 100%;
  min-height: 5rem;
  font: inherit;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  resize: vertical;
  background: #fff;
  scroll-margin-bottom: 120px;
}

.phase-card textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(30, 90, 138, 0.12);
}

.steps-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.steps-root {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.step-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}

.step-card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}

.step-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.step-actions .btn {
  min-height: 44px;
  padding: 0.4rem 0.85rem;
  font-size: 0.92rem;
}

.step-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .step-fields {
    grid-template-columns: 1fr 1fr;
  }

  .step-field-wide {
    grid-column: span 2;
  }
}

.step-fields label span {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--color-muted);
}

.step-fields input,
.step-fields textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  background: #fff;
  scroll-margin-bottom: 120px;
}

.step-fields input:focus,
.step-fields textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.step-fields textarea {
  min-height: 4rem;
  resize: vertical;
}

.footer {
  margin-top: 0.5rem;
  padding: 0 0.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.footer-small {
  font-size: 0.78rem;
  margin-top: 0.35rem;
}

.footer code {
  font-size: 0.75rem;
  word-break: break-all;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(15, 25, 40, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay[hidden] {
  display: none !important;
}

.modal {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.25rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.modal-title {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.modal-text {
  margin: 0 0 1.25rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem;
}

/* Toast */
.toast {
  position: fixed;
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 300;
  max-width: min(90vw, 420px);
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  background: #1a2332;
  color: #fff;
  font-size: 0.95rem;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}