/* ==========================================================================
   VerbaLive — Minimalist, Fully Responsive Theme System (Phone, Tab, PC)
   ========================================================================== */

:root {
  --bg-dark: #0a0c10;
  --bg-card: rgba(18, 22, 31, 0.78);
  --bg-card-hover: rgba(26, 32, 46, 0.9);
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.22);
  --interim: #38bdf8;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --block-bg: rgba(255, 255, 255, 0.02);
  --block-active-bg: rgba(56, 189, 248, 0.035);
  --block-border: rgba(255, 255, 255, 0.07);
  --input-bg: #0d1117;
  --header-bg: rgba(10, 12, 16, 0.85);
  --banner-bg: rgba(18, 22, 31, 0.85);
  --link-box-bg: rgba(0, 0, 0, 0.4);
  --pill-bg: rgba(18, 22, 31, 0.95);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);

  /* Fluid typography defaults */
  --transcript-font-size: clamp(1rem, 2.2vw, 1.15rem);
  --transcript-line-height: 1.75;
}

[data-theme="light"] {
  --bg-dark: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: rgba(241, 245, 249, 0.98);
  --border: rgba(15, 23, 42, 0.1);
  --border-focus: #0284c7;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --accent: #0284c7;
  --accent-glow: rgba(2, 132, 199, 0.16);
  --interim: #0369a1;
  --green: #16a34a;
  --amber: #d97706;
  --red: #dc2626;
  --block-bg: rgba(248, 250, 252, 0.88);
  --block-active-bg: rgba(224, 242, 254, 0.55);
  --block-border: rgba(15, 23, 42, 0.1);
  --input-bg: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.88);
  --banner-bg: rgba(255, 255, 255, 0.9);
  --link-box-bg: rgba(15, 23, 42, 0.04);
  --pill-bg: rgba(255, 255, 255, 0.96);
  --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
}

/* Fluid Font Size Tiers */
.font-size-sm {
  --transcript-font-size: clamp(0.85rem, 1.8vw, 0.95rem);
  --transcript-line-height: 1.6;
}

.font-size-md {
  --transcript-font-size: clamp(0.98rem, 2.2vw, 1.15rem);
  --transcript-line-height: 1.75;
}

.font-size-lg {
  --transcript-font-size: clamp(1.15rem, 2.8vw, 1.45rem);
  --transcript-line-height: 1.85;
}

.font-size-xl {
  --transcript-font-size: clamp(1.4rem, 4vw, 1.95rem);
  --transcript-line-height: 1.95;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html, body {
  height: 100%;
  width: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden; /* App view: internal scrolling only */
  transition: background-color 0.25s ease, color 0.25s ease;
  padding-top: env(safe-area-inset-top, 0);
  padding-bottom: env(safe-area-inset-bottom, 0);
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
  background-image: 
    radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.05) 0px, transparent 50%);
}

/* ==========================================================================
   Header (Minimalist & Compact)
   ========================================================================== */

header {
  height: 52px;
  min-height: 52px;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--header-bg);
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 0.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text-main);
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-name {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
  color: var(--text-main);
}

.logo-accent {
  background: linear-gradient(135deg, var(--accent), #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-badge {
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  color: #050811;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Status Pills */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--text-muted);
  flex-shrink: 0;
}

.status-dot.connected {
  background-color: var(--green);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

.status-dot.waiting {
  background-color: var(--amber);
  animation: pulse 1.5s infinite;
}

.status-dot.speaking {
  background-color: var(--accent);
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.8);
  animation: pulse 0.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-main);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.16);
}

.btn-sm {
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
  border-radius: 6px;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1, #1d4ed8);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

/* ==========================================================================
   Viewer Layout & Minimalist Share Strip
   ========================================================================== */

.main-layout {
  flex: 1;
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 0; /* Crucial for internal scroll */
  height: calc(100vh - 52px);
  height: calc(100dvh - 52px);
}

/* Minimalist Share Bar */
.share-strip {
  background: var(--banner-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.4rem 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  transition: all 0.25s ease;
  flex-shrink: 0;
}

.share-strip-left {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
  flex: 1;
}

.share-strip-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.share-strip-link {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--link-box-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2rem 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  max-width: 380px;
}

.share-strip-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

/* ==========================================================================
   Transcript Card
   ========================================================================== */

.transcript-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  min-height: 0; /* Enables flex child to scroll */
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.transcript-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
  flex-shrink: 0;
}

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

.transcript-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.transcript-header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Font Size Stepper (Direct Increase / Decrease Controls) */
.font-stepper {
  display: inline-flex;
  align-items: center;
  background: var(--link-box-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
  user-select: none;
}

.font-step-btn {
  background: transparent;
  border: none;
  color: var(--text-main);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  line-height: 1;
}

.font-step-btn:hover:not(:disabled) {
  background: rgba(125, 125, 125, 0.15);
  color: var(--accent);
}

.font-step-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.font-step-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.font-step-indicator {
  font-family: monospace;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent);
  padding: 0.15rem 0.45rem;
  min-width: 42px;
  text-align: center;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.font-step-indicator:hover {
  background: rgba(125, 125, 125, 0.12);
}

/* Font Size Segmented Control (Legacy support) */
.font-size-group {
  display: inline-flex;
  align-items: center;
  background: var(--link-box-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.font-size-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.font-size-btn:hover {
  color: var(--text-main);
  background: rgba(125, 125, 125, 0.12);
}

.font-size-btn.active {
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 1px 4px var(--accent-glow);
}

/* Audio Mic Meter */
.meter-wrapper {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.meter-bar {
  width: 50px;
  height: 5px;
  background: rgba(125, 125, 125, 0.15);
  border-radius: 9999px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  width: 0%;
  background: var(--green);
  transition: width 0.05s linear;
}

/* Transcript Content Area */
.transcript-content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  line-height: var(--transcript-line-height, 1.75);
  font-size: var(--transcript-font-size, 1.15rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  padding-right: 0.5rem;
  padding-bottom: 25vh; /* Comfortable breathing runway */
  scroll-behavior: smooth;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

/* Sleek custom scrollbars */
.transcript-content::-webkit-scrollbar,
.speaker-transcript-box::-webkit-scrollbar {
  width: 5px;
}

.transcript-content::-webkit-scrollbar-track,
.speaker-transcript-box::-webkit-scrollbar-track {
  background: rgba(125, 125, 125, 0.04);
  border-radius: 8px;
}

.transcript-content::-webkit-scrollbar-thumb,
.speaker-transcript-box::-webkit-scrollbar-thumb {
  background: rgba(125, 125, 125, 0.25);
  border-radius: 8px;
}

.transcript-content::-webkit-scrollbar-thumb:hover,
.speaker-transcript-box::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

.scroll-bottom-pill {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--pill-bg);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.4rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  display: none;
  align-items: center;
  gap: 0.35rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 20;
  animation: bounce 1.5s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, -4px); }
}

.empty-state {
  height: 100%;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-align: center;
  gap: 0.6rem;
  padding: 1.5rem;
}

.empty-state-icon {
  font-size: 2.2rem;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.empty-state p {
  font-size: 0.82rem;
  max-width: 320px;
  line-height: 1.4;
}

.sentence-item {
  margin-bottom: 0.75rem;
  animation: fadeIn 0.15s ease-in;
}

/* Vivid Red Punctuation Marks for Cadence & Breathing (. , ? ! : ;) */
.tp-punct {
  color: #ef4444 !important;
  font-weight: 700;
  margin: 0 1px;
  display: inline;
}

.spk-speaker-prefix {
  color: var(--accent);
  font-weight: 700;
  margin-right: 6px;
  user-select: none;
}

/* Paragraph Blocks */
.transcript-block {
  background: var(--block-bg);
  border: 1px solid var(--block-border);
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
  margin-bottom: 0.85rem;
  transition: all 0.2s ease;
  animation: fadeIn 0.2s ease-in;
  border-left: 3px solid transparent;
}

.transcript-block.active {
  border-color: var(--accent);
  border-left: 3px solid var(--accent);
  background: var(--block-active-bg);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px dashed var(--border);
}

.block-badge {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.65rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.block-time {
  font-family: monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.block-body {
  line-height: var(--transcript-line-height, 1.75);
  font-size: var(--transcript-font-size, 1.15rem);
  color: var(--text-main);
  word-wrap: break-word;
}

.block-text {
  color: var(--text-main);
}

.sentence-time {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: monospace;
  margin-right: 0.45rem;
  user-select: none;
}

.live-interim {
  color: var(--interim);
  font-style: italic;
  display: inline;
  position: relative;
}

.live-interim::after {
  content: "▋";
  font-style: normal;
  font-size: 0.9em;
  color: var(--accent);
  animation: blink 0.7s infinite;
  margin-left: 2px;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(2px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Speaker Studio (Responsive Grid & Minimalist Control Deck)
   ========================================================================== */

.speaker-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  height: 100%;
  overflow: hidden;
}

.speaker-layout {
  flex: 1;
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1rem;
  min-height: 0;
  height: calc(100vh - 52px);
  height: calc(100dvh - 52px);
}

.speaker-control-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow-y: auto;
}

.mic-glow-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.4rem 0;
}

.pulse-ring {
  position: absolute;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.35) 0%, rgba(56, 189, 248, 0) 70%);
  animation: ripple 2s infinite ease-out;
  display: none;
}

.pulse-ring.active {
  display: block;
}

@keyframes ripple {
  0% { transform: scale(0.8); opacity: 0.9; }
  100% { transform: scale(1.5); opacity: 0; }
}

.mic-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.mic-circle.active {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  border-color: #38bdf8;
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.45);
  transform: scale(1.04);
}

.mic-canvas {
  width: 100%;
  max-width: 260px;
  height: 38px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
}

.state-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--link-box-bg);
  border: 1px solid var(--border);
}

.device-select {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text-main);
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
  font-size: 0.74rem;
  width: 100%;
  max-width: 270px;
  outline: none;
  transition: all 0.2s ease;
}

.device-select:focus {
  border-color: var(--accent);
}

.speech-preview {
  display: none;
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  width: 100%;
  max-width: 280px;
  font-style: italic;
  word-break: break-word;
}

.speaker-transcript-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  min-height: 0;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
}

.speaker-transcript-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
  flex-shrink: 0;
}

.speaker-transcript-box {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  line-height: var(--transcript-line-height, 1.75);
  font-size: var(--transcript-font-size, 1.15rem);
  padding-right: 0.45rem;
  padding-bottom: 20vh;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

/* Dialog & Input styling */
dialog {
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

/* ==========================================================================
   Responsive Breakpoints: Phone, Tab, PC
   ========================================================================== */

/* Tablet (max-width: 860px) */
@media (max-width: 860px) {
  .speaker-layout {
    grid-template-columns: 290px 1fr;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
  }
  .mic-circle {
    width: 88px;
    height: 88px;
    font-size: 2rem;
  }
}

/* Mobile & Small Screens (max-width: 680px) */
@media (max-width: 680px) {
  header {
    padding: 0 0.65rem;
  }

  .logo-badge {
    display: none; /* Hide non-essential badge on mobile */
  }

  /* Compact header actions on phones */
  .status-pill#dg-status-pill,
  .status-pill#webrtc-status-pill {
    padding: 0.25rem 0.45rem;
  }

  .status-text-verbose {
    display: none; /* Show only status dot + short label */
  }

  .btn-text-responsive {
    display: none; /* Show icon only on small screens */
  }

  .main-layout {
    padding: 0.5rem;
    gap: 0.5rem;
    height: calc(100vh - 52px);
    height: calc(100dvh - 52px);
  }

  .share-strip {
    padding: 0.35rem 0.6rem;
  }

  .share-strip-label {
    display: none;
  }

  .transcript-card {
    padding: 0.75rem;
    border-radius: 12px;
  }

  .transcript-header {
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
  }

  /* Stack speaker into single vertical flow on phones */
  .speaker-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    padding: 0.5rem;
    gap: 0.5rem;
    height: calc(100vh - 52px);
    height: calc(100dvh - 52px);
  }

  .speaker-control-card {
    padding: 0.85rem 0.75rem;
    gap: 0.6rem;
    border-radius: 12px;
  }

  .mic-circle {
    width: 78px;
    height: 78px;
    font-size: 1.8rem;
  }

  .pulse-ring {
    width: 105px;
    height: 105px;
  }

  .speaker-transcript-card {
    padding: 0.75rem;
    border-radius: 12px;
  }
}

/* Ultra small phones (< 400px) */
@media (max-width: 400px) {
  .logo-name {
    font-size: 1.05rem;
  }

  .font-size-btn {
    padding: 0.15rem 0.35rem;
    font-size: 0.68rem;
  }

  .meter-bar {
    width: 35px;
  }
}