/* =============================================================================
   REFACTORED styles.css — CarbonEngine Enterprise v3
============================================================================= */

:root {
  --bg-dark:         #020617; /* Deepest blue/black */
  --bg-panel:        rgba(15, 23, 42, 0.8);
  --bg-card:         rgba(30, 41, 59, 0.5);
  --border:          rgba(51, 65, 85, 0.5);
  --accent-green:    #10B981; /* High-contrast vibrant green */
  --text-primary:    #f8fafc;
  --text-muted:      #94a3b8;
  --font-sans:       'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:       'JetBrains Mono', monospace;
  --radius-lg:       16px;
  --radius-md:       12px;
  --radius-sm:       6px;
  --shadow-glow:     0 0 20px rgba(16, 185, 129, 0.15);
}

/* Glassmorphism */
.glass {
  background: rgba(15, 23, 42, 0.7);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
}

body, html {
  margin: 0; padding: 0; height: 100%;
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  overflow: hidden;
}

#bg-canvas {
  position: fixed; top: 0; left: 0; z-index: -1;
  width: 100vw; height: 100vh;
  pointer-events: none;
}

/* Frame 1: Login */
.login-container {
  display: flex; justify-content: center; align-items: center;
  height: 100vh; width: 100vw;
}

.login-box {
  width: 400px;
  padding: 48px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.glass-premium {
  background: rgba(10, 15, 30, 0.6);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.05), inset 0 0 20px rgba(255, 255, 255, 0.02);
}

.logo-wrapper {
  margin-bottom: 24px;
}

.earth-logo {
  width: 48px;
  height: 48px;
  margin: 0 auto;
  border-radius: 50%;
  background: url('https://unpkg.com/three-globe/example/img/earth-blue-marble.jpg');
  background-size: cover;
  box-shadow: inset -6px -6px 12px rgba(0,0,0,0.8), 0 0 20px rgba(16, 185, 129, 0.2);
  animation: spin-earth 12s linear infinite;
}

@keyframes spin-earth {
  0% { background-position: 0 0; }
  100% { background-position: 200px 0; }
}

.login-box h2 {
  font-size: 24px; font-weight: 700; letter-spacing: 2px;
  margin-bottom: 8px; color: var(--text-primary);
}

.login-box p { color: var(--text-muted); font-size: 14px; margin-bottom: 32px; }

.input-dark {
  width: 100%; padding: 14px 16px; margin-bottom: 12px;
  background: rgba(2, 6, 23, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: white; font-family: inherit;
  transition: all 0.2s ease;
}

.input-dark:focus {
  outline: none; border-color: var(--accent-green);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.btn--primary {
  width: 100%; padding: 14px; background: var(--accent-green);
  color: #064e3b; font-weight: 700; border: none;
  border-radius: var(--radius-sm); cursor: pointer;
  transition: transform 0.1s, opacity 0.2s;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}

.btn--primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0); }

/* Loading Earth Icon */
.loading-earth {
  width: 18px; height: 18px;
  border: 2px solid rgba(6, 78, 59, 0.3);
  border-top-color: #064e3b;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Frame 2: App Shell */
.app-shell {
  display: grid;
  grid-template-columns: 380px 1fr;
  grid-template-rows: 64px 1fr;
  height: 100vh;
}

.topbar {
  grid-column: 1 / -1;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; background: #0f172a;
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.topbar-logo {
  font-weight: 800; font-size: 18px; display: flex; align-items: center; gap: 10px;
  letter-spacing: -0.5px;
}

.topbar-badge {
  font-size: 10px; font-weight: 700; padding: 2px 8px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green); border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 4px;
}

/* Sidebar */
.sidebar {
  background: #0f172a; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow-y: auto;
}

.sidebar-section { padding: 24px; border-bottom: 1px solid var(--border); }
.sidebar-section h3 {
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}

/* Metric Cards */
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.metric-card {
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 16px; border-radius: var(--radius-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
  border-top-width: 3px;
}

.metric-card--ndvi { border-top-color: #a855f7; }
.metric-card--canopy { border-top-color: #3b82f6; }
.metric-card--biomass { border-top-color: #f59e0b; }
.metric-card--carbon { border-top-color: #60a5fa; }
.metric-card--area { border-top-color: #94a3b8; }
.metric-card--pixels { border-top-color: #10b981; }

.metric-card:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: var(--accent-green);
  border-top-color: var(--accent-green);
  transform: translateY(-2px);
  box-shadow: var-shadow-glow;
}

.metric-card__label { font-size: 10px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; }
.metric-card__value { font-family: var(--font-mono); font-size: 20px; font-weight: 700; color: var(--accent-green); }
.metric-card__unit { font-size: 10px; color: var(--text-muted); margin-top: 4px; }

/* Map */
#map {
  background: #020617;
  grid-column: 2;
  grid-row: 2;
  width: 100%;
  height: 100%;
}

/* Leaflet Customization */
.leaflet-container { background: #020617 !important; }

/* ══════════════════════════════════════════════════════════════════════════ */
/* EXTENDED STYLES — TABS, FORMS, BUTTONS, PANELS */
/* ══════════════════════════════════════════════════════════════════════════ */

/* Role Tabs */
.role-tabs {
  display: flex; gap: 8px; margin-bottom: 20px;
}

.tab-btn {
  flex: 1; padding: 12px; background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-muted); font-weight: 600; cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13px;
}

.tab-btn:hover {
  border-color: var(--accent-green); color: var(--accent-green);
}

.tab-btn.active {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.2);
}

/* Form Groups */
.form-group {
  margin-bottom: 16px;
}

.form-group--full {
  width: 100%;
}

.form-group label {
  display: block; font-size: 12px; font-weight: 600;
  color: var(--text-muted); margin-bottom: 8px;
  text-transform: uppercase; letter-spacing: 0.5px;
}

.form-input, select, textarea {
  width: 100%; padding: 12px 14px;
  background: rgba(2, 6, 23, 0.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: white;
  font-family: inherit;
  font-size: 14px;
  transition: all 0.2s ease;
}

.form-input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

textarea {
  resize: none;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Instructions */
.instruction-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(30, 41, 59, 0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  opacity: 0.6;
  transition: all 0.3s ease;
}

.instruction-step.active {
  opacity: 1;
  background: rgba(16, 185, 129, 0.05);
  border-color: rgba(16, 185, 129, 0.3);
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
}

.instruction-step.active .step-num {
  background: var(--accent-green);
  color: #020617;
}

.step-text {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.4;
}

/* Buttons */
.btn {
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn--gps, .btn--draw, .btn--clear, .btn--demo {
  background: rgba(88, 166, 255, 0.15);
  color: #58a6ff;
  border: 1px solid rgba(88, 166, 255, 0.3);
}

.btn--draw {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.btn--clear {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn--demo {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn--drawing {
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Status Banner */
.status-banner {
  padding: 14px 16px;
  background: transparent;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.status-banner.visible {
  opacity: 1;
  pointer-events: auto;
}

.status-banner.loading {
  background: rgba(88, 166, 255, 0.1);
  border: 1px solid rgba(88, 166, 255, 0.3);
  color: #58a6ff;
}

.status-banner.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-green);
}

.status-banner.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Results Panel */
.results-panel {
  display: none;
}

.results-panel.visible {
  display: block;
}

.co2-hero {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 20px;
  border-radius: var(--radius-md);
  text-align: center;
  margin-bottom: 16px;
}

.co2-hero__label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.co2-hero__value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-green);
  margin: 8px 0;
}

.co2-hero__unit {
  font-size: 12px;
  color: var(--text-muted);
}

.parcel-chip {
  display: inline-block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-green);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
}

/* Provenance Panel */
.provenance {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prov-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.prov-row__key {
  color: var(--text-muted);
  font-weight: 600;
}

.prov-row__value {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 500;
}

/* Draw Actions */
.draw-actions {
  display: flex;
  gap: 8px;
}

.draw-actions .btn {
  flex: 1;
}

/* API Badge */
.api-badge {
  font-size: 11px;
  font-weight: 600;
  color: #58a6ff;
  background: rgba(88, 166, 255, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid rgba(88, 166, 255, 0.2);
}

/* Role Views */
.role-view {
  display: none;
}

.role-view.active {
  display: block;
}

/* HR Styling */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    display: none;
  }
  
  .metric-grid {
    grid-template-columns: 1fr;
  }
  
  .login-box {
    width: 90%;
    max-width: 400px;
  }
}