/* ============================================
   Visionar — Smart Window Control Dashboard
   Aesthetic: Refined architectural minimalism
   Dark base, warm amber light accents, glass depth
   ============================================ */

:root {
  --bg-base: #0c0c0e;
  --bg-elevated: #141417;
  --bg-card: #1a1a1f;
  --bg-card-hover: #202026;
  --bg-input: #111114;
  --border: #2a2a30;
  --border-subtle: #1e1e24;

  --text-primary: #e8e6e3;
  --text-secondary: #8a8892;
  --text-muted: #5c5a63;

  --accent: #d4a54a;
  --accent-glow: rgba(212, 165, 74, 0.15);
  --accent-soft: #c4944080;
  --accent-strong: #e6b85c;

  --success: #4ade80;
  --danger: #f87171;
  --warning: #fbbf24;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow: 0 4px 24px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);
}

/* ---- Reset & Base ---- */

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

html { font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-strong); }

::selection { background: var(--accent); color: var(--bg-base); }

/* ---- Typography ---- */

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; }

.page-title {
  font-size: 2rem;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-desc { color: var(--text-secondary); margin-top: 0.25rem; }
.section-title { font-size: 1.15rem; margin-bottom: 1rem; color: var(--text-primary); }
.section-desc { color: var(--text-secondary); font-size: 0.9rem; margin-top: -0.5rem; margin-bottom: 1.25rem; }
.muted { color: var(--text-muted); font-size: 0.9rem; }

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-base);
}
.btn-primary:hover {
  background: var(--accent-strong);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover {
  border-color: var(--accent-soft);
  background: var(--accent-glow);
  color: var(--accent);
}

.btn-ghost {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--text-primary); }

.btn-danger {
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
}
.btn-danger:hover { background: rgba(248, 113, 113, 0.1); }

.btn-full { width: 100%; justify-content: center; }

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---- Form Elements ---- */

.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

.optional { font-weight: 400; color: var(--text-muted); text-transform: none; letter-spacing: 0; }
.mono { font-family: 'SF Mono', 'Fira Code', monospace; }

/* ---- Alerts ---- */

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}
.alert-error { background: rgba(248, 113, 113, 0.1); border: 1px solid rgba(248, 113, 113, 0.25); color: var(--danger); }
.alert-success { background: rgba(74, 222, 128, 0.08); border: 1px solid rgba(74, 222, 128, 0.2); color: var(--success); }

/* ---- Tags ---- */

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.tag-success { border-color: rgba(74, 222, 128, 0.3); color: var(--success); background: rgba(74, 222, 128, 0.08); }
.tag-accent { border-color: var(--accent-soft); color: var(--accent); background: var(--accent-glow); }

/* ================================================================
   AUTH PAGES (Login / Register / OAuth Consent)
   ================================================================ */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 2rem;
}

.auth-ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ambient-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
}
.shape-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(212, 165, 74, 0.15) 0%, transparent 70%);
  top: -15%; left: -10%;
  animation: float1 20s ease-in-out infinite;
}
.shape-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(212, 165, 74, 0.08) 0%, transparent 70%);
  bottom: -10%; right: -5%;
  animation: float2 25s ease-in-out infinite;
}
.shape-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(180, 140, 60, 0.06) 0%, transparent 70%);
  top: 40%; left: 50%;
  animation: float3 18s ease-in-out infinite;
}

@keyframes float1 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(30px, 20px); } }
@keyframes float2 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-20px, -30px); } }
@keyframes float3 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(15px, -15px); } }

.auth-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  animation: cardEntry 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes cardEntry {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-brand { text-align: center; margin-bottom: 2rem; }

.auth-logo {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 1rem;
}

.auth-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--text-primary);
}

.auth-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.auth-form .btn { margin-top: 0.5rem; }

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.auth-footer a { margin-left: 0.3rem; }

/* Consent */
.consent-card { max-width: 440px; }
.consent-permissions {
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--bg-base);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}
.permission-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.permission-item svg { color: var(--success); flex-shrink: 0; }

/* ================================================================
   HEADER
   ================================================================ */

.app-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 2rem;
  height: 64px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
  flex-shrink: 0;
}
.logo-icon { width: 26px; height: 26px; color: var(--accent); }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}

.header-nav {
  display: flex;
  gap: 0.25rem;
  margin-left: 2rem;
}
.nav-link {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.nav-link:hover { color: var(--text-primary); background: var(--bg-card); }
.nav-link.active { color: var(--accent); background: var(--accent-glow); }

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.user-badge {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 0.3rem 0.75rem;
  background: var(--bg-card);
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
}

@media (max-width: 768px) {
  .app-header { padding: 0 1rem; gap: 0.75rem; }
  .header-nav { margin-left: 0.5rem; }
  .user-badge { display: none; }
}

/* ================================================================
   DASHBOARD
   ================================================================ */

.dashboard-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

.dashboard-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2rem;
}

/* Device Grid */

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.device-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: all 0.25s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  color: var(--text-primary);
}
.device-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
}
.device-card:hover {
  border-color: var(--accent-soft);
  transform: translateY(-2px);
  box-shadow: var(--shadow), var(--shadow-glow);
  color: var(--text-primary);
}
.device-card:hover::before { opacity: 1; }

.device-card.offline { opacity: 0.6; }
.device-card.offline:hover { opacity: 0.8; }

/* Window visual in card */
.device-window-visual {
  position: relative;
  z-index: 1;
  margin-bottom: 1rem;
}

.window-frame {
  display: flex;
  gap: 2px;
  width: 100%;
  height: 80px;
  background: var(--bg-base);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  padding: 3px;
}

.window-pane {
  flex: 1;
  position: relative;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}

.window-opening {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, rgba(212, 165, 74, 0.2) 0%, rgba(212, 165, 74, 0.05) 100%);
  border-top: 1px solid var(--accent-soft);
  transition: height 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.device-info {
  position: relative;
  z-index: 1;
  flex: 1;
}

.device-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.device-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
}

.device-room {
  color: var(--text-muted);
}

.device-status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
}
.device-status.online { color: var(--success); }
.device-status.offline { color: var(--text-muted); }

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.device-status.online .status-dot {
  box-shadow: 0 0 6px currentColor;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.device-position-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* Battery */
.device-battery {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  position: relative;
  z-index: 1;
}

.battery-icon {
  width: 28px;
  height: 14px;
  border: 1.5px solid var(--text-muted);
  border-radius: 3px;
  position: relative;
  padding: 2px;
}
.battery-icon::after {
  content: '';
  position: absolute;
  right: -4px;
  top: 3px;
  width: 2px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 0 1px 1px 0;
}
.battery-fill {
  height: 100%;
  background: var(--success);
  border-radius: 1px;
  transition: width 0.5s;
}
.battery-icon.low .battery-fill { background: var(--danger); }
.battery-icon.charging { border-color: var(--accent); }
.battery-icon.charging .battery-fill { background: var(--accent); }
.battery-label { font-size: 0.75rem; color: var(--text-muted); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}
.empty-icon { margin-bottom: 1.5rem; }
.empty-icon svg { width: 64px; height: 64px; color: var(--text-muted); opacity: 0.5; }
.empty-state h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.empty-state p { margin-bottom: 1.5rem; }

/* ================================================================
   DEVICE DETAIL
   ================================================================ */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  transition: color 0.2s;
}
.back-link:hover { color: var(--text-primary); }

.device-detail { animation: fadeUp 0.4s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } }

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

.device-detail-name {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.2;
}

.device-detail-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.device-model { color: var(--text-muted); font-size: 0.8rem; }

/* Control panel */
.control-panel {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .control-panel { grid-template-columns: 1fr; }
}

/* Big window visual */
.control-window-visual { text-align: center; }

.big-window-frame {
  width: 200px;
  height: 240px;
  margin: 0 auto;
  background: var(--bg-base);
  border: 3px solid var(--border);
  border-radius: var(--radius);
  padding: 6px;
  position: relative;
}

.big-window-pane {
  width: 100%;
  height: 100%;
  position: relative;
  background: var(--bg-elevated);
  border-radius: 5px;
  overflow: hidden;
}

.big-window-opening {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, rgba(212, 165, 74, 0.25) 0%, rgba(212, 165, 74, 0.05) 100%);
  border-top: 2px solid var(--accent);
  transition: height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.window-light {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 60%;
  background: radial-gradient(ellipse at center top, rgba(212, 165, 74, 0.12) 0%, transparent 80%);
}

.window-glass {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.glass-reflection {
  position: absolute;
  top: 10%;
  left: 15%;
  width: 30%;
  height: 40%;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 100%);
  border-radius: 2px;
}

.window-percentage {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
}

/* Slider */
.control-slider-area {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slider-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.slider-container { margin-bottom: 1.5rem; }

.position-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: var(--bg-base);
  border-radius: 4px;
  border: 1px solid var(--border);
  outline: none;
  cursor: pointer;
}

.position-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-card);
  box-shadow: 0 0 0 1px var(--accent-soft), var(--shadow-sm);
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.15s;
}
.position-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 0 0 1px var(--accent), 0 0 16px var(--accent-glow);
}

.position-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-card);
  cursor: pointer;
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.quick-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.quick-actions .btn { flex: 1; justify-content: center; min-width: 60px; }

/* Status grid */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.status-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.status-fault { border-color: rgba(248, 113, 113, 0.3); }
.status-fault .status-icon { color: var(--danger); }

.status-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  border-radius: var(--radius);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.status-body { flex: 1; }
.status-value { display: block; font-weight: 500; font-size: 0.95rem; }
.status-label { display: block; font-size: 0.8rem; color: var(--text-muted); }

/* Events */
.events-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.events-list { display: flex; flex-direction: column; gap: 0; }

.event-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.875rem;
}
.event-row:last-child { border-bottom: none; }

.event-type-badge {
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  background: var(--bg-base);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.event-type-badge.state_changed { color: var(--accent); border-color: var(--accent-soft); }
.event-type-badge.fault { color: var(--danger); border-color: rgba(248, 113, 113, 0.3); }
.event-type-badge.command_sent { color: #60a5fa; border-color: rgba(96, 165, 250, 0.3); }

.event-detail { flex: 1; color: var(--text-secondary); }
.event-time { color: var(--text-muted); font-size: 0.8rem; white-space: nowrap; }

/* ================================================================
   ADD DEVICE
   ================================================================ */

.add-device-page { max-width: 700px; }
.add-hero { margin-bottom: 2rem; }

.add-steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.step {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.step-number {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  border-radius: 50%;
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.step-content h3 { font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; margin-bottom: 0.25rem; }
.step-content p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }
.step-content code {
  background: var(--bg-base);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--accent);
}

.add-form { max-width: 600px; }

/* ================================================================
   SETTINGS
   ================================================================ */

.settings-section {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}
.settings-section:first-of-type { border-top: none; margin-top: 2rem; padding-top: 0; }

.settings-form { max-width: 600px; }

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.platform-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s;
}
.platform-card.linked { border-color: rgba(74, 222, 128, 0.2); }

.platform-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  border-radius: var(--radius);
  flex-shrink: 0;
}

.platform-info h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.platform-info .tag { margin-bottom: 0.5rem; }
.platform-info p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

/* ================================================================
   MODAL
   ================================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  animation: cardEntry 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.modal h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 0.5rem;
}

.delete-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */

@media (max-width: 640px) {
  .dashboard-main { padding: 1.25rem; }
  .dashboard-hero { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .device-grid { grid-template-columns: 1fr; }
  .control-panel { padding: 1.25rem; }
  .status-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 1.75rem; }
}