/* ═══════════════════════════════════════
   AnalyzAI — UI Components (Calm AI Brandbook)
   ═══════════════════════════════════════ */

/* --- BUTTONS --- */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-main);
  color: #fff;
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(99, 102, 241, 0.2);
  transition: background 0.15s, box-shadow 0.15s;
}
.btn-primary:hover {
  background: #5558E6;
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
}
.btn-primary:active { background: #4F46E5; box-shadow: none; }
.btn-primary:disabled, .btn-primary[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-main);
  color: var(--color-primary);
  background: transparent;
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}
.btn-secondary:hover { background: var(--bg-section); }
.btn-secondary:active { background: #E0E7FF; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-main);
  color: var(--color-primary);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
}
.btn-ghost:hover { text-decoration: underline; }

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-main);
  color: #fff;
  background: var(--color-error);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s;
}
.btn-danger:hover { background: #C53030; }

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

/* --- CARDS --- */

.card {
  background: var(--bg-card);
  padding: 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
}
.card:hover.card-clickable {
  box-shadow: var(--shadow-card-hover);
  border: 1px solid var(--color-primary);
}
.card h3 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: 16px;
}

/* --- STAT CARDS (Dashboard) --- */

.stat-card {
  background: var(--bg-card);
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}
.stat-card .number {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}
.stat-card .label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.stat-card .icon {
  color: var(--color-primary);
  margin-bottom: 4px;
}

/* --- TABLES --- */

table {
  width: 100%;
  border-collapse: collapse;
}
th {
  background: var(--bg-hover);
  padding: 10px 12px;
  text-align: left;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--color-divider);
}
td {
  padding: 10px 12px;
  font-size: 14px;
  border-bottom: 1px solid #F3F4F6;
}
tr:hover td {
  background: var(--bg-hover);
}

/* Zebra-stripe for biomarker tables */
.biomarker-table tbody tr:nth-child(even) td {
  background: var(--bg-hover);
}
.biomarker-table tbody tr:hover td {
  background: #EDF2F7;
}

/* Status left-border stripe (3px) for biomarker rows */
.biomarker-table .row-normal td:first-child { border-left: 3px solid var(--status-normal); }
.biomarker-table .row-warn td:first-child { border-left: 3px solid var(--status-warn); }
.biomarker-table .row-high td:first-child { border-left: 3px solid var(--status-critical); }
.biomarker-table .row-critical td:first-child,
.biomarker-table .row-critical_high td:first-child,
.biomarker-table .row-critical_low td:first-child { border-left: 3px solid var(--status-critical); }
.biomarker-table .row-low td:first-child { border-left: 3px solid #4A90D9; }
.biomarker-table .row-unknown td:first-child { border-left: 3px solid var(--status-unknown); }

/* Monospace for numeric values */
.mono, .value-mono {
  font-family: var(--font-mono);
  font-size: 14px;
}

/* --- STATUS BADGES --- */

.badge-status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}
.badge-normal {
  background: var(--status-normal-bg);
  color: var(--status-normal);
  border: 1px solid var(--status-normal-border);
}
.badge-warn, .badge-high {
  background: var(--status-critical-bg);
  color: var(--status-critical);
  border: 1px solid var(--status-critical-border);
}
.badge-low {
  background: #EBF2FA;
  color: #4A90D9;
  border: 1px solid #B8D4EE;
}
.badge-critical, .badge-critical_high, .badge-critical_low {
  background: var(--status-critical-bg);
  color: var(--status-critical);
  border: 1px solid var(--status-critical-border);
}
.badge-unknown {
  background: var(--status-unknown-bg);
  color: var(--status-unknown);
}

/* Other badges */
.badge-info {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-section);
  color: var(--color-accent);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
}
.badge-completed { background: var(--status-normal-bg); color: var(--status-normal); }
.badge-error { background: var(--status-critical-bg); color: var(--status-critical); }
.badge-processing { background: var(--status-warn-bg); color: var(--status-warn); }
.badge-abnormal { background: var(--status-critical-bg); color: var(--status-critical); padding: 1px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; }

/* --- FORMS --- */

input, select, textarea {
  font-family: var(--font-main);
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  color: var(--text-primary);
}
input:focus, select:focus, textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* --- UPLOAD ZONE --- */

.upload-zone {
  border: 2px dashed var(--color-divider);
  border-radius: var(--radius-lg);
  padding: 40px 20px;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--color-primary);
  background: var(--bg-section);
}
.upload-zone .upload-icon {
  color: var(--text-tertiary);
  margin-bottom: 8px;
}
.upload-zone .upload-text {
  color: var(--text-secondary);
  font-size: 14px;
}

/* --- PROGRESS BAR --- */

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-divider);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 12px;
}
.progress-bar .fill {
  height: 100%;
  background: var(--gradient-brand);
  border-radius: 4px;
  transition: width 0.3s;
}

/* --- LOADER / SPINNER --- */

.loader {
  display: none;
  margin-top: 16px;
  text-align: center;
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--bg-section);
  color: var(--color-accent);
  font-size: 15px;
}
.spinner {
  width: 28px;
  height: 28px;
  border: 4px solid var(--bg-section);
  border-top: 4px solid var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 10px;
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* --- FLASH MESSAGES --- */

.flash { padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: 14px; }
.flash.success { background: var(--status-normal-bg); border: 1px solid var(--status-normal-border); color: var(--status-normal); }
.flash.error { background: var(--status-critical-bg); border: 1px solid var(--status-critical-border); color: var(--status-critical); }
.flash.info { background: var(--bg-section); border: 1px solid #C7D2FE; color: var(--color-accent); }
.flash.warning { background: var(--status-warn-bg); border: 1px solid var(--status-warn-border); color: var(--status-warn); }

/* --- DISCLAIMER --- */

.disclaimer {
  background: #F7F9FC;
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

/* --- CHIPS --- */

.chip {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid var(--color-divider);
  background: var(--bg-card);
  color: var(--text-primary);
  text-decoration: none;
  transition: background 0.15s;
}
.chip:hover { background: var(--bg-hover); }
.chip.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* --- PAGINATION --- */

.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.pagination a, .pagination span {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  text-decoration: none;
  color: var(--text-primary);
}
.pagination a { background: var(--bg-card); border: 1px solid var(--color-divider); }
.pagination a:hover { background: var(--bg-hover); }
.pagination span.current { background: var(--color-accent); color: #fff; }

/* --- EMPTY STATE --- */

.empty {
  text-align: center;
  padding: 48px;
  color: var(--text-tertiary);
  font-size: 15px;
}
.empty a { color: var(--color-primary); font-weight: 600; }

/* --- CHART (dynamics) --- */

.chart-container {
  position: relative;
  height: 350px;
  margin: 16px 0;
}

/* --- TREND BADGES --- */

.trend-increasing { background: var(--status-critical-bg); color: var(--status-critical); }
.trend-decreasing { background: var(--bg-section); color: #2563eb; }
.trend-stable { background: var(--status-normal-bg); color: var(--status-normal); }