/* ═══════════════════════════════════════════════════════════
   LiverDecoded CSV Builder — Stylesheet
   Dark clinical theme · DM Sans + JetBrains Mono
   ═══════════════════════════════════════════════════════════ */

/* --- CSS Variables (Theme Tokens) --- */
:root {
  --bg:       #0c1322;
  --bg2:      #111b2e;
  --bg3:      #172038;
  --bg4:      #1c2844;
  --border:   #243352;
  --border-h: #2e4168;

  --t1: #ffffff;
  --t2: #e6edf8;
  --t3: #c2d1ea;
  --t4: #8fa3c7;

  --cyan:     #38e8ff;
  --green:    #34d399;
  --red:      #f87171;
  --amber:    #fbbf24;
  --purple:   #a78bfa;
  --pink:     #fb7185;
  --blue:     #60a5fa;
  --teal:     #38e8ff;

  --cyan-dim:   rgba(56,232,255,0.10);
  --green-dim:  rgba(52,211,153,0.10);
  --red-dim:    rgba(248,113,113,0.10);
  --amber-dim:  rgba(251,191,36,0.10);
  --purple-dim: rgba(167,139,250,0.06);

  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --radius:  7px;
  --radius-lg: 10px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--t1);
  min-height: 100vh;
  padding: 20px 24px 40px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; transform: translateY(-4px); }
}

/* --- Layout --- */
.app-container {
  max-width: 1320px;
  margin: 0 auto;
}

/* --- Header --- */
.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.app-header-icon { font-size: 28px; }
.app-header-title {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.app-header-sub { font-size: 14px; color: var(--t3); }
.privacy-badge {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 12px;
  color: var(--t3);
}
.privacy-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

/* --- Mode Tabs --- */
.mode-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
}
.mode-tab {
  padding: 12px 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 0.15s;
}
.mode-tab:hover { background: var(--bg2); }
.mode-tab.active {
  background: var(--bg2);
  border-color: var(--border);
  border-bottom-color: var(--cyan);
}
.mode-tab-icon { font-size: 18px; }
.mode-tab-label { font-size: 15px; font-weight: 600; color: var(--t3); text-align: left; }
.mode-tab.active .mode-tab-label { color: var(--cyan); }
.mode-tab-desc { font-size: 12px; color: var(--t4); text-align: left; }

/* --- Toolbar (upload / download / clear bar) --- */
.toolbar {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.toolbar-label { font-size: 14px; color: var(--t2); font-weight: 500; }
.toolbar-right { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.toolbar-count {
  font-size: 12px;
  color: var(--green);
  font-family: var(--font-mono);
}

/* --- Buttons --- */
.btn {
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  border: 1px solid var(--border);
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-ghost {
  background: var(--bg3);
  color: var(--cyan);
}
.btn-ghost:hover { border-color: var(--border-h); background: var(--bg4); }
.btn-download {
  background: var(--bg3);
  color: var(--green);
}
.btn-download:hover { border-color: var(--green); }
.btn-clear {
  background: var(--red-dim);
  border-color: rgba(248,113,113,0.13);
  color: var(--red);
  font-size: 12px;
  padding: 7px 14px;
}
.btn-clear:hover { border-color: var(--red); }
.btn-primary {
  padding: 10px 28px;
  background: linear-gradient(135deg, var(--cyan), #06b6d4);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary {
  padding: 10px 20px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--t2);
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-body);
}
.btn-secondary:hover { border-color: var(--border-h); }
.btn-green-primary {
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--green), #059669);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
}
.btn-green-primary:hover { filter: brightness(1.1); }

/* --- Info Box --- */
.info-box {
  padding: 12px 16px;
  background: var(--purple-dim);
  border: 1px solid rgba(167,139,250,0.12);
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--purple);
  line-height: 1.7;
}
.info-box strong { font-weight: 600; }

/* --- Toast Notifications --- */
.toast {
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: fadeIn 0.2s ease;
}
.toast-success { background: var(--green-dim); border: 1px solid rgba(52,211,153,0.2); color: var(--green); }
.toast-error   { background: var(--red-dim);   border: 1px solid rgba(248,113,113,0.2); color: var(--red); }
.toast-info    { background: var(--cyan-dim);  border: 1px solid rgba(56,232,255,0.2); color: var(--cyan); }
.toast-dismiss {
  background: none; border: none; color: inherit;
  cursor: pointer; font-size: 16px; font-family: inherit;
  padding: 0 0 0 12px; opacity: 0.7;
}
.toast-dismiss:hover { opacity: 1; }
.toast-fadeout { animation: fadeOut 0.3s ease forwards; }

/* --- Card / Panel --- */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 20px;
}
.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-title { font-size: 16px; font-weight: 700; color: var(--t1); }
.card-meta {
  font-size: 12px;
  color: var(--t3);
  font-family: var(--font-mono);
}
.card-footer {
  padding: 14px 18px;
  display: flex;
  gap: 10px;
  background: var(--bg3);
  border-top: 1px solid var(--border);
}
.card-footer-right {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}

/* --- Section Accordion --- */
.section-header {
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
  border-bottom: 1px solid var(--border);
}
.section-header:hover { background: rgba(255,255,255,0.015); }
.section-header.open { /* tinted per-group via JS */ }
.section-icon { font-size: 15px; }
.section-label { font-size: 14px; font-weight: 700; }
.section-badge {
  font-size: 9px;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 500;
}
.badge-carry { background: rgba(167,139,250,0.08); color: var(--purple); }
.badge-filled { background: rgba(52,211,153,0.08); color: var(--green); font-family: var(--font-mono); font-size: 10px; }
.section-arrow {
  margin-left: auto;
  font-size: 11px;
  color: var(--t4);
  transition: transform 0.2s;
}
.section-arrow.open { transform: rotate(180deg); }
.section-body { padding: 12px 18px 16px; }

/* --- Form Grid --- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 12px;
}
.form-grid-wide {
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
}
.field-full { grid-column: 1 / -1; }

/* --- Form Fields --- */
.field-label {
  display: block;
  font-size: 12px;
  color: var(--t3);
  font-weight: 700;
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.field-unit { font-weight: 400; opacity: 0.7; }
.field-required { color: var(--red); }
.field-auto-tag {
  font-size: 9px;
  color: var(--cyan);
  margin-left: 6px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.field-hint {
  font-size: 11px;
  color: var(--t4);
  margin-top: 3px;
  font-style: italic;
}

.field-input,
.field-select,
.field-textarea {
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--t1);
  font-size: 14px;
  font-family: var(--font-mono);
  outline: none;
  width: 100%;
  transition: border-color 0.15s;
}
.field-input:focus,
.field-select:focus,
.field-textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 2px rgba(56,232,255,0.15); }

.field-select { cursor: pointer; appearance: auto; }
.field-textarea {
  font-family: var(--font-body);
  resize: vertical;
  min-height: 72px;
}

.field-computed {
  padding: 9px 11px;
  background: rgba(56,232,255,0.03);
  border: 1px solid rgba(56,232,255,0.15);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font-mono);
  width: 100%;
  min-height: 37px;
  display: flex;
  align-items: center;
}
.field-computed-value { color: var(--cyan); }
.field-computed-empty { color: var(--t4); }

/* --- Quick Add (Medications) --- */
.quick-add-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  margin-bottom: 16px;
}
.quick-add-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.quick-add-title { font-size: 14px; font-weight: 600; color: var(--amber); }
.quick-add-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--t3);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 12px;
  font-family: var(--font-body);
}
.quick-add-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.quick-add-btn {
  padding: 6px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--t2);
  font-size: 13px;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  transition: all 0.15s;
  white-space: nowrap;
}
.quick-add-btn:hover { border-color: var(--border-h); color: var(--t1); }
.quick-add-btn.active {
  background: var(--cyan-dim);
  border-color: rgba(56,232,255,0.25);
  color: var(--cyan);
}

/* --- Data Table --- */
.table-wrap {
  overflow-x: auto;
  max-height: 360px;
  overflow-y: auto;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13px;
}
.data-table th {
  padding: 7px 10px;
  background: var(--bg3);
  color: var(--t3);
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.data-table th.sticky-left {
  position: sticky;
  left: 0;
  z-index: 3;
  background: var(--bg3);
}
.data-table th.sticky-right {
  position: sticky;
  right: 0;
  z-index: 3;
  background: var(--bg3);
  width: 40px;
}
.data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(36,51,82,0.13);
  color: var(--t2);
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 13px;
}
.data-table tr:nth-child(even) td { background: var(--bg2); }
.data-table td.sticky-left {
  position: sticky;
  left: 0;
  z-index: 1;
  font-weight: 700;
  color: var(--t4);
}
.data-table tr:nth-child(odd) td.sticky-left { background: var(--bg); }
.data-table tr:nth-child(even) td.sticky-left { background: var(--bg2); }
.data-table td.sticky-right {
  position: sticky;
  right: 0;
  z-index: 1;
  text-align: center;
}
.data-table tr:nth-child(odd) td.sticky-right { background: var(--bg); }
.data-table tr:nth-child(even) td.sticky-right { background: var(--bg2); }
.data-table td .empty-cell { color: var(--t4); }
.data-table td.editing { padding: 2px; }

.cell-edit-input {
  width: 100%;
  padding: 4px 6px;
  background: var(--bg);
  border: 1px solid var(--cyan);
  border-radius: 4px;
  color: var(--t1);
  font-size: 12px;
  font-family: var(--font-mono);
  outline: none;
}

.row-delete-btn {
  background: var(--red-dim);
  border: 1px solid rgba(248,113,113,0.13);
  border-radius: 4px;
  color: var(--red);
  cursor: pointer;
  padding: 2px 7px;
  font-size: 12px;
  font-family: var(--font-body);
  line-height: 1;
}
.row-delete-btn:hover { border-color: var(--red); }

/* --- Empty State --- */
.empty-state {
  padding: 40px 20px;
  text-align: center;
}
.empty-state-icon { font-size: 36px; opacity: 0.3; margin-bottom: 10px; }
.empty-state-title { font-size: 15px; color: var(--t3); }
.empty-state-sub { font-size: 13px; color: var(--t3); margin-top: 4px; }

/* --- Footer --- */
.app-footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--t3);
}
.footer-brand { color: var(--cyan); }

/* --- Utility --- */
.hidden { display: none !important; }

/* --- Responsive --- */
@media (max-width: 768px) {
  body { padding: 12px 12px 32px; }
  .app-header { gap: 8px; }
  .app-header-title { font-size: 18px; }
  .privacy-badge { margin-left: 0; margin-top: 8px; }
  .mode-tab { padding: 10px 14px; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid-wide { grid-template-columns: 1fr 1fr; }
  .toolbar { padding: 10px 12px; }
}
@media (max-width: 480px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid-wide { grid-template-columns: 1fr; }
  .mode-tab { padding: 8px 10px; gap: 6px; }
  .mode-tab-desc { display: none; }
}

.back-dashboard-btn {
  margin-left: auto;
  padding: 8px 14px;
  background: #0ea5e9;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: background 0.2s ease;
}

.back-dashboard-btn:hover {
  background: #38bdf8;
}

.footer-dashboard-link {
  margin-top: 12px;
  text-align: center;
}

.footer-dashboard-link a {
  color: #38bdf8;
  text-decoration: none;
  font-weight: 500;
}

.footer-dashboard-link a:hover {
  text-decoration: underline;
}