/* styles.css - FLUENCE BEAM Engineering Design System */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800&family=Fira+Code:wght@400;500&display=swap');

:root {
  --bg-main: #060911;
  --bg-card: rgba(13, 19, 33, 0.9);
  --bg-card-border: rgba(30, 41, 59, 0.7);
  --bg-input: #111827;
  --primary: #14b8a6; /* Fluence Turquoise */
  --primary-hover: #0d9488;
  --accent-teal: #2dd4bf;
  --accent-rose: #f43f5e;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: #0b0f19;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Header */
.app-header {
  background: rgba(10, 15, 26, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--bg-card-border);
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo-svg {
  width: 44px;
  height: 44px;
  filter: drop-shadow(0 0 10px rgba(20, 184, 166, 0.4));
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #ffffff;
}

.brand-subtitle {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-teal);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

/* Controls & Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-body);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #14b8a6, #0d9488);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(20, 184, 166, 0.25);
}
.btn-primary:hover {
  box-shadow: 0 0 16px rgba(20, 184, 166, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #111827;
  color: var(--text-main);
  border-color: #1e293b;
}
.btn-secondary:hover {
  background: #1f2937;
  border-color: #374151;
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #f43f5e;
  border-color: rgba(244, 63, 94, 0.3);
}
.btn-danger:hover {
  background: rgba(244, 63, 94, 0.3);
}

.form-select, .form-input {
  background: var(--bg-input);
  color: var(--text-main);
  border: 1px solid #1e293b;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-size: 0.825rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s;
}
.form-select:focus, .form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.2);
}

/* Layout Grid */
.main-container {
  display: grid;
  grid-template-columns: 370px 1fr;
  gap: 1.25rem;
  padding: 1.25rem;
  max-width: 1750px;
  margin: 0 auto;
}

@media (max-width: 1024px) {
  .main-container {
    grid-template-columns: 1fr;
  }
}

/* Sidebar & Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.025rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Tabs */
.tab-header {
  display: flex;
  gap: 0.35rem;
  background: #090d16;
  padding: 0.25rem;
  border-radius: 10px;
  border: 1px solid #1e293b;
  margin-bottom: 1rem;
}

.tab-btn {
  flex: 1;
  padding: 0.45rem;
  font-size: 0.775rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-muted);
  border: none;
  background: transparent;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-btn.active {
  background: #111827;
  color: var(--primary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* Tables */
.table-container {
  overflow-x: auto;
  margin-bottom: 1rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.data-table th {
  text-align: left;
  padding: 0.5rem;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid #1e293b;
}

.data-table td {
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid #1e293b;
}

.data-table .form-input, .data-table .form-select {
  width: 100%;
  padding: 0.3rem 0.45rem;
  font-size: 0.775rem;
}

/* Stat Badges */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: #0b0f19;
  border: 1px solid #1e293b;
  border-radius: 10px;
  padding: 0.75rem;
  transition: border-color 0.2s;
}
.stat-card:hover {
  border-color: #334155;
}

.stat-label {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0.15rem;
}

/* Diagrams Grid */
.diagrams-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.diagram-card {
  background: #0b0f19;
  border: 1px solid #1e293b;
  border-radius: 12px;
  padding: 0.75rem;
  position: relative;
}

canvas {
  width: 100%;
  display: block;
}

/* Toggle Switch Layout Fix - No Overlap */
.switch-label {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.775rem;
  color: var(--text-main);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  flex-shrink: 0;
}

.switch-input {
  display: none;
}

.switch-slider {
  width: 36px;
  height: 20px;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 12px;
  position: relative;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}

.switch-slider::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 2px;
  top: 2px;
  background: #ffffff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.switch-input:checked + .switch-slider {
  background: var(--primary);
  border-color: var(--accent-teal);
}

.switch-input:checked + .switch-slider::before {
  transform: translateX(16px);
}