/* Solar Monitor Dashboard - Clean Dark Theme */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-hover: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --accent: #22d3ee;
  --accent-hover: #06b6d4;
  --green: #4ade80;
  --red: #f87171;
  --orange: #fb923c;
  --yellow: #fbbf24;
  --purple: #a78bfa;
  --blue: #38bdf8;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Navbar */
.navbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 56px;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-company {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Auth Pages */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-primary) 0%, #1a1a2e 100%);
}

.auth-container {
  width: 100%;
  max-width: 440px;
  padding: 1rem;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.auth-card h1 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.auth-card h2 {
  text-align: center;
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 1.5rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

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

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  max-width: 600px;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  justify-content: flex-end;
}

.form-page .breadcrumb {
  margin-bottom: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #0f172a;
}

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

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--border);
}

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

.btn-danger:hover {
  opacity: 0.9;
}

.btn-block {
  width: 100%;
}

/* Alerts */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.alert-error {
  background: rgba(248, 113, 113, 0.15);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--red);
}

/* Dashboard Header */
.dashboard-header {
  margin-bottom: 1.5rem;
}

.dashboard-header h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Summary Cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-2px);
}

.card-icon {
  font-size: 1.75rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-hover);
  border-radius: 10px;
}

.card-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

.card-content p {
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.card-green { border-left: 3px solid var(--green); }
.card-blue { border-left: 3px solid var(--blue); }
.card-red { border-left: 3px solid var(--red); }
.card-orange { border-left: 3px solid var(--orange); }
.card-purple { border-left: 3px solid var(--purple); }

/* Section */
.section {
  margin-bottom: 2rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 1.25rem;
}

/* Inverter Grid */
.inverter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.inverter-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.2s;
}

.inverter-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-active { border-left: 3px solid var(--green); }
.card-error { border-left: 3px solid var(--red); }
.card-disconnected { border-left: 3px solid var(--text-muted); }

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

.inv-brand {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.inv-name {
  font-size: 1.0625rem;
  margin-bottom: 0.75rem;
}

.inv-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.no-data {
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-align: center;
  grid-column: 1 / -1;
}

.inv-alarms {
  color: var(--orange);
  font-size: 0.8125rem;
  font-weight: 500;
}

.inv-last-scraped {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 0.5rem;
}

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
}

.status-active {
  background: rgba(74, 222, 128, 0.15);
  color: var(--green);
}

.status-error {
  background: rgba(248, 113, 113, 0.15);
  color: var(--red);
}

.status-disconnected {
  background: rgba(100, 116, 139, 0.15);
  color: var(--text-muted);
}

.status-resolved {
  background: rgba(100, 116, 139, 0.15);
  color: var(--text-secondary);
}

.severity-badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 500;
}

.severity-critical {
  background: rgba(248, 113, 113, 0.2);
  color: var(--red);
}

.severity-warning {
  background: rgba(251, 191, 36, 0.15);
  color: var(--yellow);
}

.severity-info {
  background: rgba(56, 189, 248, 0.15);
  color: var(--blue);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.empty-state p {
  margin-bottom: 1rem;
}

/* Data Table */
.table-container {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.data-table th {
  background: var(--bg-hover);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

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

.data-table tr:hover {
  background: var(--bg-hover);
}

.data-table code {
  background: var(--bg-primary);
  padding: 0.125rem 0.375rem;
  border-radius: 3px;
  font-size: 0.75rem;
}

.alarm-critical td:first-child {
  border-left: 3px solid var(--red);
}

.alarm-warning td:first-child {
  border-left: 3px solid var(--yellow);
}

/* Detail Page */
.inverter-detail .breadcrumb {
  margin-bottom: 1rem;
}

.inverter-detail .breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
}

.inverter-detail .breadcrumb a:hover {
  color: var(--accent);
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.detail-header h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.detail-header .subtitle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-actions {
  display: flex;
  gap: 0.5rem;
}

.alarm-count {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Chart */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  height: 350px;
}

/* Responsive */
@media (max-width: 768px) {
  .summary-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .inverter-grid {
    grid-template-columns: 1fr;
  }
  .detail-header {
    flex-direction: column;
    gap: 1rem;
  }
  .inv-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .summary-cards {
    grid-template-columns: 1fr;
  }
  .container {
    padding: 1rem 0.75rem;
  }
}
/* ============================================ */
/* PROBLEM ANALYSIS SECTION                     */
/* ============================================ */

.problem-analysis {
  background: var(--bg-secondary);
  border: 1px solid var(--red);
  border-radius: 12px;
  padding: 1.5rem;
  position: relative;
}

.problem-analysis::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow));
  border-radius: 12px 12px 0 0;
}

.problem-analysis .section-header h2 {
  color: var(--red);
}

/* Breakdown cards */
.problem-breakdown {
  margin-bottom: 1.5rem;
}

.breakdown-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.breakdown-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  transition: border-color 0.2s;
}

.breakdown-card:hover {
  border-color: var(--accent);
}

.breakdown-card.ac-issue {
  border-left: 3px solid var(--yellow);
}

.breakdown-card.dc-issue {
  border-left: 3px solid var(--orange);
}

.breakdown-icon {
  font-size: 2rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-hover);
  border-radius: 10px;
  flex-shrink: 0;
}

.breakdown-body h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.breakdown-body > p {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
}

.breakdown-body ul {
  list-style: none;
  padding: 0;
  margin: 0 0 0.5rem 0;
}

.breakdown-body ul li {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  padding: 0.25rem 0;
  padding-left: 1rem;
  position: relative;
}

.breakdown-body ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.hint {
  display: block;
  font-size: 0.75rem;
  color: var(--accent);
  font-style: italic;
}

/* Plant problem list */
.problem-details {
  margin-bottom: 1.5rem;
}

.problem-details h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.plant-problem-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.plant-problem-item {
  display: flex;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.875rem 1rem;
  transition: background 0.2s;
}

.plant-problem-item:hover {
  background: var(--bg-hover);
}

.plant-problem-item.severity-critical {
  border-left: 3px solid var(--red);
}

.plant-problem-item.severity-warning {
  border-left: 3px solid var(--yellow);
}

.plant-problem-item.severity-info {
  border-left: 3px solid var(--blue);
}

.pp-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  width: 28px;
  text-align: center;
  padding-top: 0.125rem;
}

.pp-body {
  flex: 1;
  min-width: 0;
}

.pp-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.pp-code {
  font-family: 'Courier New', monospace;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pp-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.pp-time {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.pp-solution {
  font-size: 0.8125rem;
  color: var(--accent);
  margin-top: 0.375rem;
  padding: 0.375rem 0.625rem;
  background: rgba(34, 211, 238, 0.08);
  border-radius: 6px;
}

/* Resolution Guide */
.resolution-guide details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.resolution-guide summary {
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  user-select: none;
}

.resolution-guide summary:hover {
  background: var(--bg-hover);
}

.guide-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  padding: 0 1rem 1rem 1rem;
}

.guide-item {
  padding: 0.75rem;
  background: var(--bg-primary);
  border-radius: 8px;
}

.guide-item strong {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.guide-item ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.guide-item ul li {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  padding: 0.25rem 0;
  padding-left: 1rem;
  position: relative;
}

.guide-item ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* Stats extra row */
.stats-extra {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.extra-item {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  min-width: 120px;
}

.extra-item span {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.extra-item strong {
  font-size: 0.9375rem;
  color: var(--text-primary);
}

/* Critical count highlight */
.count-critical {
  color: var(--red);
  font-weight: 600;
}

/* Problem analysis card for plant counts */
.card .card-content h3 small {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}