:root {
  --bg-app: #101114;
  --bg-surface: #18191f;
  --bg-surface-elevated: #22232b;
  --bg-input: #121318;
  --border-color: #2a2c36;
  --border-focus: #e2a36f;
  
  --sand-accent: #e2a36f;
  --sand-hover: #d2915c;
  --sand-subtle: rgba(226, 163, 111, 0.12);
  --sand-glow: rgba(226, 163, 111, 0.25);

  --text-primary: #f2f3f7;
  --text-secondary: #9da1b2;
  --text-muted: #666a7b;

  --color-success: #38bdf8;
  --color-green: #34d399;
  --color-danger: #f87171;
  --color-warning: #fbbf24;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html, body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  height: 100%;
  width: 100%;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Auth Viewport */
.auth-viewport {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 30%, #1e2029 0%, #0d0e12 100%);
  padding: 20px;
  z-index: 1000;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: rgba(24, 25, 31, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
  animation: cardFadeIn 0.3s ease;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}

.auth-brand h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 12px;
  color: var(--text-primary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--sand-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 12px 14px;
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.form-group input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--sand-subtle);
}

#inputCred2 {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.25em;
  text-align: center;
}

.btn-primary-action {
  background: linear-gradient(135deg, var(--sand-accent), #ba6e3a);
  border: none;
  border-radius: var(--radius-md);
  color: #111215;
  font-weight: 700;
  font-size: 14px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  margin-top: 6px;
}

.btn-primary-action:hover {
  filter: brightness(1.1);
}

.btn-ghost-action {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  margin-top: 4px;
  text-align: center;
}

.btn-ghost-action:hover {
  color: var(--sand-accent);
}

.auth-message {
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.auth-message.error {
  background-color: rgba(248, 113, 113, 0.15);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

.auth-message.info {
  background-color: var(--sand-subtle);
  color: var(--sand-accent);
  border: 1px solid var(--sand-accent);
}

/* Dashboard Container */
.dashboard-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  width: 100%;
  overflow: hidden;
}

/* Header - Desktop Grid Layout */
.app-header {
  display: grid;
  grid-template-columns: auto minmax(280px, 480px) auto;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  gap: 16px;
  flex-shrink: 0;
  width: 100%;
  box-sizing: border-box;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  grid-column: 1;
  min-width: 0;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--sand-accent), #8a4e28);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 2px 10px var(--sand-glow);
  flex-shrink: 0;
}

.brand-text {
  min-width: 0;
}

.brand-text h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  white-space: nowrap;
}

.sub-brand {
  font-size: 11px;
  color: var(--sand-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  white-space: nowrap;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  grid-column: 2;
  width: 100%;
  min-width: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  grid-column: 3;
  justify-self: end;
  flex-shrink: 0;
}

.device-selector-box {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 4px 12px 4px 10px;
  transition: border-color 0.2s ease;
  flex-shrink: 0;
  max-width: 180px;
}

.device-selector-box:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--sand-subtle);
}

.device-icon {
  font-size: 14px;
}

.device-select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  padding: 4px 0;
  max-width: 130px;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.device-select option {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

.device-pill {
  font-size: 11px;
  font-weight: 600;
  color: var(--sand-accent);
  background: var(--sand-subtle);
  border: 1px solid rgba(226, 163, 111, 0.25);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  max-width: 140px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.search-box input {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  padding: 8px 36px 8px 36px;
  font-size: 13px;
  width: 100%;
  box-sizing: border-box;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-box input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--sand-subtle);
}

.search-icon {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  pointer-events: none;
}

.btn-icon {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-surface-elevated);
  padding: 6px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 500;
  flex-shrink: 0;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transition: background-color 0.3s ease;
}

.status-dot.connected {
  background-color: var(--color-green);
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.6);
}

.status-dot.reconnecting {
  background-color: var(--color-warning);
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.6);
}

.status-dot.disconnected {
  background-color: var(--color-danger);
  box-shadow: 0 0 8px rgba(248, 113, 113, 0.6);
}

.btn-toggle, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  flex-shrink: 0;
}

.btn-toggle:hover, .btn-secondary:hover {
  background-color: #2c2e39;
  border-color: var(--sand-accent);
}

.badge {
  background-color: var(--bg-input);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  color: var(--text-muted);
}

.badge.active {
  background-color: var(--sand-subtle);
  color: var(--sand-accent);
  font-weight: 600;
}

/* Mobile Segmented Tab Bar (Hidden on desktop) */
.mobile-tabs {
  display: none;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 12px;
  gap: 8px;
  flex-shrink: 0;
  z-index: 10;
}

.tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  padding: 9px 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}

.tab-btn:hover {
  background-color: #272833;
  border-color: #3f4252;
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--sand-subtle);
  border-color: var(--sand-accent);
  color: var(--sand-accent);
  box-shadow: 0 0 10px var(--sand-glow);
}

.tab-icon {
  font-size: 14px;
}

.tab-counter {
  background: var(--bg-input);
  border-radius: var(--radius-full);
  padding: 1px 7px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  transition: all 0.15s ease;
}

.tab-btn.active .tab-counter {
  background: var(--sand-accent);
  color: #111215;
  font-weight: 700;
}

/* Grid Layout - Desktop (Default > 1024px) */
.grid-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 16px 24px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* Mobile & Tablet Responsive Viewport (< 1024px) */
@media (max-width: 1024px) {
  .app-header {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    grid-template-areas:
      "brand actions"
      "tools tools";
    gap: 10px;
    padding: 10px 14px;
  }

  .brand {
    grid-area: brand;
  }

  .header-actions {
    grid-area: actions;
    justify-self: end;
  }

  .header-tools {
    grid-area: tools;
    width: 100%;
    max-width: 100%;
  }

  .mobile-tabs {
    display: flex;
  }

  .grid-layout {
    display: flex;
    flex-direction: column;
    padding: 10px;
    gap: 0;
    flex: 1;
    min-height: 0;
    overflow: hidden;
  }

  .pane {
    display: none;
    height: 100%;
    flex: 1;
    min-height: 0;
  }

  .pane.active-pane {
    display: flex;
  }

  .pane-body {
    -webkit-overflow-scrolling: touch;
    overflow-y: auto;
    flex: 1;
  }
}

/* Compact Mobile (< 640px) */
@media (max-width: 640px) {
  .sub-brand {
    display: none;
  }

  .btn-label-text {
    display: none;
  }

  .btn-toggle {
    padding: 6px 8px;
    gap: 4px;
  }

  .btn-secondary {
    padding: 6px 8px;
    font-size: 11px;
  }

  .connection-status {
    padding: 5px 8px;
    font-size: 11px;
    gap: 4px;
  }

  .device-selector-box {
    max-width: 130px;
    padding: 4px 8px;
  }

  .device-select {
    max-width: 90px;
    font-size: 11px;
  }

  .auth-card {
    padding: 24px 18px;
    margin: 12px;
  }
}

/* Ultra Narrow Viewport (< 380px) */
@media (max-width: 380px) {
  .status-label {
    display: none;
  }

  .tab-label {
    font-size: 12px;
  }

  .tab-btn {
    padding: 8px 4px;
    gap: 4px;
  }

  .device-selector-box {
    max-width: 105px;
  }

  .device-select {
    max-width: 70px;
  }
}

.pane {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-surface-elevated);
}

.pane-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pane-title h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.counter-badge {
  background-color: var(--sand-subtle);
  color: var(--sand-accent);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.stat-pill {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.stat-pill.alert {
  background-color: rgba(248, 113, 113, 0.15);
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.btn-text {
  background: none;
  border: none;
  color: var(--sand-accent);
  font-size: 12px;
  cursor: pointer;
}

.pane-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 140px;
  color: var(--text-muted);
  font-size: 13px;
  font-style: italic;
}

/* Event Cards */
.card {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  animation: slideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card:hover {
  border-color: #3e4250;
  transform: translateY(-1px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  gap: 8px;
}

.app-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.app-pill {
  font-size: 11px;
  font-weight: 600;
  color: var(--sand-accent);
  background-color: var(--sand-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-time {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.3;
}

.card-body-text {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  word-break: break-word;
}

/* Call Log specific */
.call-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.call-main {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.call-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.call-icon.incoming {
  background-color: rgba(56, 189, 248, 0.15);
  color: var(--color-success);
}

.call-icon.outgoing {
  background-color: rgba(52, 211, 153, 0.15);
  color: var(--color-green);
}

.call-icon.missed {
  background-color: rgba(248, 113, 113, 0.15);
  color: var(--color-danger);
}

.call-details h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.call-details p {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.call-meta {
  text-align: right;
  flex-shrink: 0;
}

.call-duration {
  font-size: 11px;
  color: var(--sand-accent);
  font-family: var(--font-mono);
}

/* Contact specific */
.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.avatar-circle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #323542, #1f2028);
  border: 1px solid var(--border-color);
  color: var(--sand-accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.contact-info {
  flex: 1;
  min-width: 0;
}

.contact-info h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.phone-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.phone-pill {
  font-size: 11px;
  font-family: var(--font-mono);
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}