:root {
  --bg: #0f1115;
  --surface: #1a1d24;
  --surface-2: #22262f;
  --border: #2b2f3a;
  --text: #eef0f3;
  --text-dim: #9aa1ad;
  --accent: #4f8cff;
  --accent-dim: #2f4a80;
  --danger: #ff5f5f;
  --danger-dim: #5a2a2a;
  --success: #38c172;
  --warning: #e0a634;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

/* ============================ Auth-Screen ============================ */

.auth-screen {
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-screen:not([hidden]) {
  display: flex;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.auth-card h1 {
  margin: 0 0 18px;
  font-size: 20px;
  text-align: center;
}

.auth-form h2 {
  margin: 0 0 14px;
  font-size: 17px;
}

.auth-form label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.auth-form input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font-size: 15px;
  font-family: inherit;
  margin-bottom: 14px;
}

.auth-form .btn { width: 100%; }

.auth-switch {
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  margin: 14px 0 0;
}

.auth-switch a { color: var(--accent); text-decoration: none; }

.form-error {
  color: var(--danger);
  font-size: 13px;
  margin: -4px 0 12px;
}

/* ============================ Topbar / Layout ============================ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: env(safe-area-inset-top) 16px 12px;
  padding-top: calc(env(safe-area-inset-top) + 14px);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  gap: 10px;
}

.topbar h1 {
  font-size: 20px;
  margin: 0;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-badge {
  font-size: 13px;
  color: var(--text-dim);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icon-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 18px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  flex-shrink: 0;
}
.icon-btn:active { transform: scale(0.95); }

main#app {
  padding: 4px 16px calc(24px + env(safe-area-inset-bottom));
  max-width: 640px;
  margin: 0 auto;
}

.active-panel {
  padding: 12px 16px 0;
  max-width: 640px;
  margin: 0 auto;
}

.status-msg {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 14px;
  margin: 10px 16px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.status-msg.error {
  color: var(--danger);
  border-color: var(--danger);
}

.section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin: 18px 2px 8px;
}

/* ============================ Tabbar ============================ */

.tabbar {
  display: flex;
  gap: 6px;
  max-width: 640px;
  margin: 14px auto 0;
  padding: 0 16px;
}

.tab-btn {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 9px 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--accent-dim);
  color: var(--text);
  border-color: var(--accent);
}

.tab-panel { padding-top: 8px; }

/* ============================ Karten / Listen ============================ */

.adhoc-btn {
  display: block;
  width: 100%;
  margin-top: 10px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.adhoc-btn:active { transform: scale(0.98); }

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 999px;
  padding: 2px 8px;
  margin-bottom: 4px;
}

.badge-muted {
  color: var(--text-dim);
  background: var(--surface-2);
}

.project-list, .history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.project-card.tracking {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-dim) inset;
  align-items: flex-start;
}

.project-card.tracking-dim {
  opacity: 0.6;
}

.project-info {
  min-width: 0;
  flex: 1;
}

.project-name {
  font-weight: 600;
  font-size: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-kunde {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 2px;
}

.project-timer {
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--success);
  margin-top: 4px;
  font-weight: 600;
}

.project-desc {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 6px;
  white-space: pre-wrap;
  word-break: break-word;
}

.project-desc-empty {
  font-style: italic;
  opacity: 0.6;
}

.running-hint {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--success);
  font-weight: 600;
  white-space: nowrap;
}

.track-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.track-btn {
  flex-shrink: 0;
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.track-btn.start {
  background: var(--accent);
  color: white;
}

.track-btn.stop {
  background: var(--danger);
  color: white;
}

.track-btn.desc {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.track-btn.edit {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.track-btn:active { transform: scale(0.96); }

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 40px 16px;
  list-style: none;
}

/* ============================ Verlauf ============================ */

.history-filters {
  margin-bottom: 12px;
}

.history-filters select {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font-size: 14px;
  font-family: inherit;
}

.history-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.history-info { min-width: 0; flex: 1; }

.history-meta {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 2px;
}

.not-saved-hint {
  display: block;
  font-size: 11px;
  color: var(--warning);
  margin-top: 4px;
}

/* ============================ Statistik ============================ */

.stats-grand {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 16px;
}

.stats-grand-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.stats-grand-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 12px;
}

.stats-grand-item { text-align: center; }

.stats-grand-label {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.stats-cell-value {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 15px;
}

.delta {
  display: block;
  font-size: 11px;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

.delta-up { color: var(--success); }
.delta-down { color: var(--danger); }
.delta-flat { color: var(--text-dim); }

.stats-remaining {
  font-size: 11px;
  margin-top: 2px;
  color: var(--warning);
  font-weight: 600;
}

.stats-remaining-done {
  color: var(--success);
}

.stats-remaining-hint {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 1px;
}

.stats-table-wrap {
  overflow-x: auto;
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 13px;
}

.stats-table th, .stats-table td {
  padding: 10px 8px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.stats-table th {
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}

.stats-project-name {
  text-align: left;
  font-weight: 600;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stats-project-kunde {
  text-align: left;
  color: var(--text-dim);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stats-table tbody tr:last-child td { border-bottom: none; }

.stats-hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 10px;
}

/* ============================ Modal ============================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
}

.modal-backdrop:not([hidden]) {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px 18px 0 0;
  padding: 20px 18px calc(20px + env(safe-area-inset-bottom));
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
}

@media (min-width: 640px) {
  .modal-backdrop { align-items: center; }
  .modal { border-radius: 18px; }
}

.modal h2 {
  margin: 0 0 4px;
  font-size: 18px;
}

.modal-subtitle {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 14px;
}

.modal label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.modal textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font-size: 15px;
  resize: vertical;
  font-family: inherit;
  margin-bottom: 14px;
}

.modal input[type="text"],
.modal input[type="datetime-local"] {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font-size: 15px;
  font-family: inherit;
  margin-bottom: 14px;
}

.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
  font-size: 14px !important;
  color: var(--text) !important;
  margin-bottom: 10px !important;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
}

.summary-hint {
  color: var(--warning);
}

.summary-list {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 12px;
  font-size: 14px;
}

.summary-list dt {
  color: var(--text-dim);
}

.summary-list dd {
  margin: 0;
  text-align: right;
  word-break: break-word;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.btn {
  flex: 1;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  min-width: 100px;
}

.btn-primary { background: var(--accent); color: white; }
.btn-secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: var(--danger-dim); color: var(--danger); border: 1px solid var(--danger); }