:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --bg-card: #fff;
  --bg-subtle: #fafbfc;
  --bg-hover: #e9e9e9;
  --bg-input: #fff;
  --text: #172b4d;
  --text-muted: #5e6c84;
  --text-faint: #999;
  --border: #dfe1e6;
  --accent: #0747a6;
  --accent-hover: #063e91;
  --accent-bg: #e3eefc;
  --danger: #de350b;
  --danger-bg: #fce8e5;
  --success: #006644;
  --success-bg: #e3fcef;
  --warn: #ffab00;
  --warn-bg: #fff4e0;
  --warn-text: #974f00;
  --chip-bg: #eef2f7;
  --overlay: rgba(9,30,66,.54);
  --shadow: 0 1px 3px rgba(9,30,66,.13);
  --shadow-sm: 0 1px 2px rgba(9,30,66,.1);
  --onboarding-bg: #fff8c5;
  --onboarding-border: #ffab00;
  --onboarding-text: #594300;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #10151f;
  --bg-card: #1b2333;
  --bg-subtle: #212b3d;
  --bg-hover: #2a3549;
  --bg-input: #232d40;
  --text: #e6e9f0;
  --text-muted: #9aa5ba;
  --text-faint: #717d92;
  --border: #34405a;
  --accent: #5b9cf6;
  --accent-hover: #7cb2f8;
  --accent-bg: #1c3255;
  --danger: #ff7a68;
  --danger-bg: #3a2228;
  --success: #4fd897;
  --success-bg: #163829;
  --warn: #ffc266;
  --warn-bg: #3a2f14;
  --warn-text: #ffc266;
  --chip-bg: #232d40;
  --overlay: rgba(0,0,0,.65);
  --shadow: 0 1px 3px rgba(0,0,0,.5);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --onboarding-bg: #3a3312;
  --onboarding-border: #ffc266;
  --onboarding-text: #ffe0a3;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding: 20px;
}

#app { max-width: 800px; margin: 0 auto; }

header { margin-bottom: 24px; }
.header-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
header h1 { font-size: 1.8rem; color: var(--accent); }
.subtitle { color: var(--text-muted); font-size: 0.95rem; margin-top: 4px; }

.lang-switch, .theme-switch { display: flex; align-items: center; gap: 4px; }
.lang-label { font-size: 0.8rem; color: var(--text-muted); margin-right: 2px; }
.lang-btn, .theme-btn {
  background: none;
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--text-muted);
}
.lang-btn:hover, .theme-btn:hover { background: var(--bg-hover); }
.lang-btn.active, .theme-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.onboarding-hint {
  background: var(--onboarding-bg);
  border-left: 4px solid var(--onboarding-border);
  color: var(--onboarding-text);
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 16px;
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

.toolbar { margin-bottom: 20px; }
.toolbar button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 4px;
  font-size: 0.95rem;
  cursor: pointer;
}
.toolbar button:hover { background: var(--accent-hover); }

.asset-card {
  background: var(--bg-card);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 16px 20px;
  margin-bottom: 16px;
}
.asset-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 6px;
}
.asset-name { font-size: 1.15rem; }
.asset-category {
  display: inline-block;
  background: var(--accent-bg);
  color: var(--accent);
  font-size: 0.75rem;
  padding: 1px 8px;
  border-radius: 10px;
  margin-left: 8px;
}
.asset-actions { display: flex; gap: 6px; }
.asset-notes { color: var(--text-muted); font-size: 0.9rem; margin: 2px 0 10px; }

.logs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.logs-header h3 { font-size: 0.95rem; color: var(--text-muted); }

.btn-sm, .btn-xs {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--text);
}
.btn-sm:hover, .btn-xs:hover { background: var(--bg-hover); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); }
.btn-done { color: var(--success); border-color: var(--success); }
.btn-done:hover { background: var(--success-bg); }

.log-entries { margin-top: 8px; }

.log-entry {
  padding: 10px 12px;
  margin-bottom: 6px;
  background: var(--bg-subtle);
  border-radius: 4px;
  border-left: 3px solid var(--border);
}
.log-entry.overdue { border-left-color: var(--danger); }

.log-main { display: flex; justify-content: space-between; align-items: center; }
.log-task { font-weight: 600; font-size: 0.92rem; }
.reminder-badge, .repeat-badge { font-size: 0.8rem; cursor: help; }
.log-date { color: var(--text-muted); font-size: 0.85rem; }

.log-details { color: var(--text-muted); font-size: 0.85rem; margin-top: 2px; }
.log-next-due { font-size: 0.82rem; margin-top: 2px; color: var(--text); }
.log-not-planned { font-size: 0.82rem; margin-top: 2px; color: var(--warn-text); font-weight: 600; }

.log-actions { margin-top: 4px; display: flex; gap: 4px; }

.log-attachments { margin-top: 6px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.attachment-chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--chip-bg); border-radius: 4px; padding: 2px 6px; font-size: 0.78rem;
}
.attachment-thumb { width: 32px; height: 32px; object-fit: cover; border-radius: 3px; display: block; }
.attachment-file { color: var(--accent); text-decoration: none; }
.attachment-file:hover { text-decoration: underline; }
.attachment-remove {
  border: none; background: none; color: var(--text-faint); cursor: pointer; font-size: 0.9rem; line-height: 1; padding: 0 2px;
}
.attachment-remove:hover { color: var(--danger); }
.attachment-add {
  font-size: 0.78rem; color: var(--text-muted); cursor: pointer; padding: 2px 6px;
  border: 1px dashed var(--border); border-radius: 4px;
}
.attachment-add:hover { background: var(--bg); }

.empty { color: var(--text-faint); font-size: 0.85rem; font-style: italic; margin-top: 6px; }

.log-history { margin-top: 10px; border-top: 1px solid var(--border); padding-top: 8px; }
.log-history summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  user-select: none;
}
.log-history summary:hover { color: var(--text); }
.log-history .log-entries { margin-top: 8px; }

/* Modal */
.modal {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--overlay);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal.hidden { display: none; }
.modal-content {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 28px;
  width: 90%;
  max-width: 480px;
  position: relative;
}
.close {
  position: absolute; top: 12px; right: 16px;
  font-size: 1.5rem; cursor: pointer; color: var(--text-muted);
}
.close:hover { color: var(--text); }
.modal-content h2 { margin-bottom: 16px; }

form label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.9rem;
  font-weight: 500;
}
.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 6px;
  font-weight: 400 !important;
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  width: auto !important;
  margin: 0;
}
.repeat-row { display: flex; gap: 8px; }
.repeat-row input { width: 80px !important; }
.repeat-row select { flex: 1; }

form input, form select, form textarea {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 0.9rem;
  font-family: inherit;
  margin-top: 3px;
  background: var(--bg-input);
  color: var(--text);
}
form textarea { resize: vertical; }
form button[type=submit] {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 4px;
  font-size: 0.95rem;
  cursor: pointer;
  margin-top: 4px;
}
form button[type=submit]:hover { background: var(--accent-hover); }

.cat-select-wrap { display: flex; gap: 4px; align-items: start; }
.cat-select-wrap select { flex: 1; }
.btn-cat-add {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 7px 12px;
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  color: var(--accent);
}
.btn-cat-add:hover { background: var(--accent-bg); border-color: var(--accent); }

/* Auth pages */
body.auth-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.auth-box {
  background: var(--bg-card); border-radius: 8px; box-shadow: var(--shadow);
  padding: 36px 32px; width: 100%; max-width: 400px;
}
.auth-box h1 { font-size: 1.4rem; color: var(--accent); margin-bottom: 4px; text-align: center; }
.auth-box h2 { font-size: 1rem; color: var(--text-muted); margin-bottom: 20px; text-align: center; font-weight: 400; }
.auth-link { text-align: center; margin-top: 16px; font-size: 0.85rem; color: var(--text-muted); }
.auth-link a { color: var(--accent); text-decoration: none; }
.auth-link a:hover { text-decoration: underline; }
.auth-error { color: var(--danger); font-size: 0.85rem; margin-bottom: 8px; }
.auth-demo { text-align: center; margin-top: 12px; font-size: 0.8rem; color: var(--text-faint); }
.app-version { text-align: center; margin-top: 24px; font-size: 0.75rem; color: var(--text-faint); }
.auth-lang { display: flex; justify-content: center; align-items: center; gap: 4px; margin-bottom: 16px; flex-wrap: wrap; }
.hidden { display: none; }

/* Logout / account buttons */
.btn-logout, .btn-account {
  background: none; border: 1px solid var(--border); padding: 4px 10px;
  border-radius: 3px; font-size: 0.8rem; cursor: pointer; color: var(--text-muted);
}
.btn-logout:hover { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }
.btn-account:hover { background: var(--chip-bg); border-color: var(--accent); color: var(--accent); }
.header-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.field-hint { font-size: 0.78rem; color: var(--text-faint); margin-top: -8px; margin-bottom: 12px; }

/* Timeline */
.timeline {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
}
.timeline-col {
  flex: 1;
  background: var(--bg-card);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 16px;
}
.timeline-heading {
  font-size: 1rem;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}
.timeline-heading-recent { color: var(--accent); }
.timeline-heading-upcoming { color: var(--text); }
.timeline-item {
  display: flex;
  gap: 10px;
  padding: 6px 0;
  position: relative;
}
.timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 5px;
  flex-shrink: 0;
  background: var(--accent);
}
.timeline-item-upcoming .timeline-dot { background: var(--warn); }
.timeline-item-upcoming.urgent .timeline-dot { background: var(--danger); }
.timeline-body {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.timeline-task { font-weight: 600; font-size: 0.9rem; }
.timeline-asset { font-size: 0.8rem; color: var(--text-muted); }
.timeline-date { font-size: 0.8rem; color: var(--text-muted); }
.timeline-empty { color: var(--text-faint); font-size: 0.85rem; font-style: italic; }
@media (max-width: 600px) {
  .timeline { flex-direction: column; }
}

/* Admin panel */
.admin-stats { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.admin-stat {
  background: var(--bg-card); border-radius: 6px; box-shadow: var(--shadow-sm);
  padding: 12px 18px; display: flex; flex-direction: column; min-width: 140px;
}
.admin-stat-value { font-size: 1.4rem; font-weight: 700; color: var(--accent); }
.admin-stat-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

.admin-section-heading { font-size: 1.1rem; margin: 20px 0 8px; color: var(--text); }

.admin-table-wrap { overflow-x: auto; background: var(--bg-card); border-radius: 6px; box-shadow: var(--shadow-sm); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; white-space: nowrap; }
.admin-table th, .admin-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); }
.admin-table th { color: var(--text-muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; }
.admin-table tbody tr:hover { background: var(--bg-subtle); }

.admin-badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 0.72rem; font-weight: 600; }
.admin-badge-active { background: var(--success-bg); color: var(--success); }
.admin-badge-suspended { background: var(--warn-bg); color: var(--warn-text); }
.admin-badge-admin { background: var(--chip-bg); color: var(--accent); }
.admin-badge-hint { font-size: 0.68rem; color: var(--danger); }

.admin-actions { display: flex; gap: 4px; flex-wrap: wrap; }