:root {
  color-scheme: dark;
  --font-sans: "Inter", "Segoe UI", sans-serif;
  --color-bg: #050816;
  --color-surface: #0f172a;
  --color-surface-alt: #111c31;
  --color-border: #1f2a40;
  --color-border-muted: #25324a;
  --color-text: #f1f5f9;
  --color-muted: #9aa5b5;
  --color-accent: #60a5fa;
  --color-accent-contrast: #020617;
  --color-success-bg: rgba(74, 222, 128, 0.16);
  --color-success-text: #4ade80;
  --color-error-bg: rgba(248, 113, 113, 0.2);
  --color-error-text: #fca5a5;
  --shadow-sm: 0 16px 32px rgba(2, 6, 23, 0.45);
  --radius-sm: 14px;
  --radius-pill: 999px;
  --space-xs: 0.4rem;
  --space-sm: 0.7rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.25rem;
  --trans-fast: 160ms ease;
}

:root[data-theme="light"] {
  color-scheme: light;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f5f9;
  --color-border: #d8e2ee;
  --color-border-muted: #e2e8f0;
  --color-text: #0f172a;
  --color-muted: #475569;
  --color-accent: #2563eb;
  --color-accent-contrast: #ffffff;
  --color-success-bg: #dcfce7;
  --color-success-text: #166534;
  --color-error-bg: #fee2e2;
  --color-error-text: #b91c1c;
  --shadow-sm: 0 24px 48px rgba(15, 23, 42, 0.12);
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: radial-gradient(120% 120% at 50% -20%, rgba(96, 165, 250, 0.12), transparent 55%), var(--color-bg);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) clamp(1rem, 3vw, 2.75rem);
  gap: var(--space-md);
  background: rgba(15, 23, 42, 0.78);
  border-bottom: 1px solid var(--color-border-muted);
  box-shadow: 0 20px 40px rgba(2, 6, 23, 0.35);
  backdrop-filter: blur(12px);
}

:root[data-theme="light"] header.top-bar {
  background: rgba(248, 250, 252, 0.85);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
}

.top-bar__left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.top-bar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.app-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-content {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: var(--space-xl) clamp(1rem, 2vw + 0.5rem, 2.5rem) var(--space-xl);
  flex: 1 0 auto;
  display: grid;
  gap: var(--space-xl);
}

.is-hidden {
  display: none !important;
}

/* Call UI (iPhone-like) */
.call-ui {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: var(--space-lg);
  align-items: center;
  justify-items: center;
}

.call-ui__header {
  text-align: center;
}

.call-ui__number {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
}

.call-ui__status {
  margin: 0.25rem 0 0;
  color: var(--color-muted);
}

.call-ui__timer {
  margin: 0.25rem 0 0;
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}

.call-ui__grid {
  display: grid;
  grid-template-columns: repeat(3, 100px);
  gap: 18px 28px;
  justify-content: center;
}

.call-btn {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: linear-gradient(140deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast), border-color var(--trans-fast);
}

.call-btn:active {
  transform: translateY(1px);
}

.call-btn.is-active {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.12);
}

.call-btn--danger {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
  color: var(--color-accent-contrast);
  border-color: rgba(185, 28, 28, 0.6);
}

.call-ui__label {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--color-muted);
  text-align: center;
}

.keypad {
  display: grid;
  grid-template-columns: repeat(3, 72px);
  gap: 12px;
  justify-content: center;
}

.key-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: rgba(148, 163, 184, 0.12);
  color: var(--color-text);
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
}

.card {
  background: linear-gradient(140deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.card__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.card__description {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.form-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-end;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  min-width: 220px;
  flex: 1 1 240px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

input[type="tel"],
input[type="text"],
textarea {
  width: 100%;
  padding: calc(var(--space-sm) + 0.1rem) var(--space-md);
  border-radius: calc(var(--radius-sm) - 6px);
  border: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.85);
  color: var(--color-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast), background var(--trans-fast);
}

:root[data-theme="light"] input[type="tel"],
:root[data-theme="light"] input[type="text"],
:root[data-theme="light"] textarea {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.08);
}

input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(96, 165, 250, 0.4);
  outline-offset: 2px;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.12);
}

.button-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.button {
  appearance: none;
  border: none;
  border-radius: var(--radius-pill);
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast), background var(--trans-fast), color var(--trans-fast);
}

.button:focus-visible {
  outline: 3px solid rgba(96, 165, 250, 0.45);
  outline-offset: 2px;
}

.button:not(:disabled):active {
  transform: translateY(1px);
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.button--primary {
  background: linear-gradient(135deg, #60a5fa 0%, #2563eb 100%);
  color: var(--color-accent-contrast);
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.35);
}

.button--primary:hover:not(:disabled) {
  box-shadow: 0 18px 32px rgba(37, 99, 235, 0.45);
}

.button--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.button--outline:hover:not(:disabled) {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.button--ghost {
  background: rgba(148, 163, 184, 0.08);
  color: var(--color-text);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(148, 163, 184, 0.12);
  border: 1px solid transparent;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-pill[data-state="registered"] {
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

.status-pill[data-state="error"] {
  background: var(--color-error-bg);
  color: var(--color-error-text);
}

.log-panel {
  min-height: 220px;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-sm) - 6px);
  padding: var(--space-md);
  background: rgba(15, 23, 42, 0.6);
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  overflow-y: auto;
}

.recordings-table-wrapper {
  overflow-x: auto;
}

.recordings-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.recordings-table th,
.recordings-table td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border-muted);
  text-align: left;
}

.recordings-table th {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.recordings-table tbody tr:hover {
  background: rgba(96, 165, 250, 0.08);
}

.recordings-table td:last-child {
  white-space: nowrap;
  min-width: 180px;
}

.recordings-row>td {
  vertical-align: middle;
}

.recordings-player-row {
  display: none;
}

.recordings-player-row--open {
  display: table-row;
}

.recordings-player-row>td {
  padding: var(--space-sm) var(--space-md) var(--space-md);
  border-top: none;
  background: rgba(15, 23, 42, 0.35);
}

.recordings-player-row:hover td {
  background: rgba(15, 23, 42, 0.35);
}

.recording-player {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.recording-player__controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.recording-player__transport {
  border: none;
  background: linear-gradient(120deg, #38bdf8, #6366f1);
  color: #fff;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.35rem 1.25rem;
  cursor: pointer;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast);
  box-shadow: 0 12px 24px rgba(56, 189, 248, 0.25);
}

.recording-player__transport.is-playing {
  background: linear-gradient(120deg, #fb7185, #f97316);
}

.recording-player__transport:focus-visible {
  outline: 2px solid #38bdf8;
  outline-offset: 2px;
}

.recording-player__times {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.recording-player__divider {
  color: var(--color-muted);
}

.recording-player__time--current {
  font-weight: 600;
  color: var(--color-text);
}

.recording-player__progress {
  position: relative;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.3);
  overflow: hidden;
  cursor: pointer;
}

.recording-player__progress:focus-visible {
  outline: 2px solid #38bdf8;
  outline-offset: 4px;
}

.recording-player__progress-fill {
  position: absolute;
  inset: 0;
  width: 0;
  background: linear-gradient(90deg, #38bdf8, #6366f1);
  transition: width 0.1s linear;
}

.recording-player__speed {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
}

.recording-player__speed-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--color-muted);
}

.recording-player__speed-range {
  flex: 1 1 160px;
  min-width: 140px;
}

.recording-player__speed-select {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 6px;
  padding: 0.2rem 0.6rem;
}

.recording-player__speed-value {
  min-width: 3rem;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.sms-drawer {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: flex-end;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--trans-fast);
  z-index: 60;
}

.sms-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  opacity: 0;
  transition: opacity var(--trans-fast);
}

.sms-drawer__panel {
  position: relative;
  height: 100%;
  width: min(75vw, 100%);
  max-width: 100%;
  transform: translateX(100%);
  transition: transform var(--trans-fast);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: -24px 0 48px rgba(2, 6, 23, 0.35);
  display: flex;
  flex-direction: column;
}

:root[data-theme="dark"] .sms-drawer__panel {
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: -32px 0 60px rgba(2, 6, 23, 0.65);
}

.sms-drawer__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.sms-drawer__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.sms-drawer__content {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--space-lg);
}

.sms-drawer.is-open {
  pointer-events: auto;
  opacity: 1;
}

.sms-drawer.is-open .sms-drawer__panel {
  transform: translateX(0);
}

.sms-drawer.is-open .sms-drawer__backdrop {
  opacity: 1;
}

.sms-app {
  display: grid;
  grid-template-columns: 4fr 6fr;
  /* contacts : messages = 4:6 */
  gap: calc(var(--space-lg) + 0.5rem);
  min-height: 640px;
}

.sms-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.sms-sidebar__actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.sms-sidebar__list {
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-sm) - 6px);
  background: rgba(15, 23, 42, 0.6);
  overflow: hidden;
  max-height: 520px;
  overflow-y: auto;
}

.conversation-item {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: none;
  text-align: left;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xs);
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background var(--trans-fast), color var(--trans-fast);
}

.conversation-item.is-active {
  background: rgba(96, 165, 250, 0.12);
  color: var(--color-accent);
}

.conversation-item:hover {
  background: rgba(148, 163, 184, 0.12);
}

.conversation-number {
  font-weight: 600;
}

.conversation-preview {
  grid-column: 1 / -1;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.conversation-time {
  justify-self: end;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  padding: 0 0.45rem;
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
}

.sms-thread__messages {
  flex: 1 1 auto;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-sm) - 6px);
  background: rgba(15, 23, 42, 0.6);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 420px;
  overflow-y: auto;
}

.message-bubble {
  padding: var(--space-sm) var(--space-md);
  border-radius: calc(var(--radius-sm) - 6px);
  border: 1px solid transparent;
  max-width: 80%;
}

.message-bubble--outbound {
  align-self: flex-end;
  background: rgba(96, 165, 250, 0.16);
  border-color: rgba(96, 165, 250, 0.35);
}

.message-bubble--inbound {
  align-self: flex-start;
  background: rgba(148, 163, 184, 0.12);
  border-color: rgba(148, 163, 184, 0.25);
}

.message-bubble__meta {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: var(--space-xs);
}

.message-bubble__status {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sms-composer {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  margin-top: var(--space-md);
}

.sms-composer__fields {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-end;
}

.sms-composer__number {
  flex: 0 0 220px;
}

.sms-composer__message {
  flex: 1 1 320px;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.sms-composer__input {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.sms-composer__input input {
  flex: 1 1 auto;
}

.form-error {
  margin: 0;
  min-height: 1.1em;
  font-size: 0.78rem;
  color: var(--color-error-text);
}

.empty-state,
.empty-thread {
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-muted);
}

body.history-drawer-open {
  overflow: hidden;
}

body.recordings-drawer-open {
  overflow: hidden;
}

body.sms-drawer-open {
  overflow: hidden;
}

@media (max-width: 960px) {
  .sms-app {
    grid-template-columns: 1fr;
  }

  .sms-sidebar {
    order: 1;
    /* Keep conversation list first */
  }

  .sms-thread {
    order: 2;
  }
}

@media (max-width: 680px) {

  .sms-sidebar,
  .sms-thread {
    padding: var(--space-md) var(--space-sm);
  }

  .sms-sidebar__list {
    max-height: 25vh;
    /* Limit conversation list height on small screens */
  }

  .sms-thread__messages {
    max-height: 35vh;
    /* Limit message thread height on small screens */
  }

  .sms-sidebar__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .sms-sidebar__actions button {
    width: 100%;
  }

  .sms-composer__fields {
    flex-direction: column;
  }

  .sms-composer__number,
  .sms-composer__message {
    width: 100%;
  }

  .message-bubble {
    max-width: 100%;
  }
}


.call-ui {
  display: grid;
  gap: var(--space-lg);
}

.call-ui[data-state="dialing"] .call-ui__status {
  color: var(--color-muted);
}

.call-ui[data-state="active"] .call-ui__status {
  color: var(--color-success-text);
}

.call-ui__dtmf {
  min-height: 1.4rem;
  text-align: center;
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.dial-display {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.dial-display__input {
  flex: 1 1 auto;
  padding: 0.85rem 1.25rem;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  text-align: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.65);
  color: var(--color-text);
}

.dial-display__input:focus {
  outline: 3px solid rgba(96, 165, 250, 0.35);
  outline-offset: 2px;
}

.dial-actions {
  display: flex;
}

.dial-backspace {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: rgba(148, 163, 184, 0.12);
  color: var(--color-text);
  font-size: 1.15rem;
  cursor: pointer;
}

.dial-keypad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 92px));
  gap: 16px;
  justify-content: center;
}

.dial-key {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: rgba(148, 163, 184, 0.16);
  color: var(--color-text);
  font-size: 1.35rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast);
}

.dial-key:active {
  transform: translateY(1px);
}

.call-ui__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 110px));
  gap: 18px;
  justify-content: center;
}

.recordings-drawer {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: flex-end;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--trans-fast);
  z-index: 70;
}

.recordings-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-fast);
}

.recordings-drawer.is-open .recordings-drawer__backdrop {
  opacity: 1;
  pointer-events: auto;
}

.recordings-drawer.is-open {
  pointer-events: auto;
  opacity: 1;
}

.recordings-drawer.is-open .recordings-drawer__panel {
  transform: translateX(0);
}

.recordings-drawer__panel {
  position: relative;
  height: 100%;
  width: clamp(360px, 50vw, 960px);
  transform: translateX(100%);
  transition: transform var(--trans-fast);
  background: linear-gradient(160deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  border-left: 1px solid var(--color-border);
  box-shadow: -24px 0 48px rgba(2, 6, 23, 0.45);
  display: flex;
  flex-direction: column;
  pointer-events: auto;
  overflow: hidden;
}

.recordings-drawer__header {
  padding: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
}

.recordings-drawer__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.recordings-drawer__content {
  flex: 1 1 auto;
  padding: var(--space-lg);
  overflow-y: auto;
}

.recordings-drawer__content .recordings-table-wrapper {
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-sm) - 4px);
  background: rgba(15, 23, 42, 0.55);
  overflow: auto;
  max-height: none;
}

.history-drawer {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: flex-end;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--trans-fast);
  z-index: 75;
}

.history-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-fast);
}

.history-drawer.is-open {
  pointer-events: auto;
  opacity: 1;
}

.history-drawer.is-open .history-drawer__backdrop {
  opacity: 1;
  pointer-events: auto;
}

.history-drawer__panel {
  position: relative;
  height: 100%;
  width: clamp(360px, 50vw, 960px);
  transform: translateX(100%);
  transition: transform var(--trans-fast);
  background: linear-gradient(160deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
  border-left: 1px solid var(--color-border);
  box-shadow: -28px 0 60px rgba(2, 6, 23, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.history-drawer.is-open .history-drawer__panel {
  transform: translateX(0);
}

.history-drawer__header {
  padding: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.history-drawer__heading {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.history-drawer__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
}

.history-drawer__subtitle {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.history-drawer__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.history-drawer__content {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.history-drawer__table-wrapper {
  flex: 1 1 auto;
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-sm) - 4px);
  background: rgba(15, 23, 42, 0.55);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.history-table th,
.history-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.history-table th {
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.history-row:hover td {
  background: rgba(148, 163, 184, 0.08);
}

.history-time {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.history-time__date {
  font-weight: 600;
}

.history-time__time {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.history-peer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.history-peer__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

.history-peer__value {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.history-direction {
  font-weight: 600;
}

.history-direction--inbound {
  color: #22c55e;
}

.history-direction--outbound {
  color: #60a5fa;
}

.history-status__label {
  font-weight: 600;
}

.history-status__meta {
  display: block;
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-top: 4px;
}

.history-drawer__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.history-pagination {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.history-page-info {
  flex: 1 1 auto;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.history-pagination .button {
  min-width: 90px;
}

@media (max-width: 768px) {
  .history-table {
    min-width: auto;
  }
}

.card.dialer {
  display: none;
}

.call-ui__primary-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.call-button {
  min-width: 140px;
  padding: 0.9rem 0;
  border-radius: var(--radius-pill);
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: #02120a;
  box-shadow: 0 14px 32px rgba(34, 197, 94, 0.35);
  transition: transform var(--trans-fast), box-shadow var(--trans-fast);
}

.call-button:hover:not(:disabled) {
  box-shadow: 0 18px 42px rgba(34, 197, 94, 0.45);
}

.call-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.call-button--hangup {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
  color: #fff;
  box-shadow: 0 14px 32px rgba(239, 68, 68, 0.35);
}

/* Mobile Responsiveness Overrides */
@media (max-width: 600px) {
  .page-content {
    padding: var(--space-md) clamp(0.5rem, 3vw, 1rem) var(--space-md);
    gap: var(--space-md);
  }

  header.top-bar {
    padding: var(--space-md) clamp(0.5rem, 3vw, 1rem);
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
  }

  .top-bar__actions {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Make header elements center-aligned if wrapping */
  .top-bar__left {
    justify-content: center;
  }

  /* In-Call Controls */
  .call-ui__grid {
    grid-template-columns: repeat(3, minmax(0, 80px));
    gap: 12px;
  }

  .call-btn {
    width: 68px;
    height: 68px;
  }

  /* Dial Pad */
  .dial-keypad {
    grid-template-columns: repeat(3, minmax(0, 72px));
    gap: 12px;
  }

  .dial-key {
    width: 72px;
    height: 72px;
    font-size: 1.15rem;
  }

  .call-button {
    min-width: 120px;
    font-size: 0.95rem;
  }

  /* Drawers */
  .recordings-drawer__panel,
  .history-drawer__panel {
    width: 100vw;
  }

  /* SMS Drawer is handled in earlier queries, but reinforce panel width */
  .sms-drawer__panel {
    width: 100vw;
  }
}