/* =============================================================
   main.css — PreachListen global styles
   Dark theme that matches web.dailymanna.life visual language:
   black base, #2196F3 Manna blue, glass/frosted overlays
   ============================================================= */

/* ── CSS Custom Properties ─────────────────────────────────── */
:root {
  /* Primary — matches Manna's #2196F3 Material Blue */
  --color-primary:       #2196F3;
  --color-primary-dark:  #1565C0;
  --color-primary-light: rgba(33,150,243,0.20);
  --color-accent:        #2196F3;      /* unified blue — no separate purple */

  /* Backgrounds — true black base, matching Manna's dark aesthetic */
  --color-bg:            #000000;
  --color-surface:       #141414;
  --color-surface-alt:   rgba(255,255,255,0.05);
  --color-border:        rgba(255,255,255,0.12);

  /* Text */
  --color-text:          #FFFFFF;
  --color-text-secondary:#AAAAAA;
  --color-text-disabled: #555555;

  /* Semantic */
  --color-danger:        #F44336;
  --color-warning:       #FF9800;
  --color-success:       #4CAF50;
  --color-interim:       #888888;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius-sm:   6px;
  --radius-md:   12px;     /* matches Manna's borderRadius: 12 */
  --radius-lg:   16px;
  --radius-full: 9999px;

  --shadow-sm:   0 1px 3px rgba(0,0,0,.40);
  --shadow-md:   0 4px 16px rgba(0,0,0,.50);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.60);

  --toolbar-h:   52px;
  --controls-h:  76px;
  --banner-h:    44px;

  /* Safe-area support for notched devices */
  --safe-top:    env(safe-area-inset-top,    0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left:   env(safe-area-inset-left,   0px);
  --safe-right:  env(safe-area-inset-right,  0px);
}

/* ── Reset / Base ───────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;    /* prevent body scroll — the panes scroll internally */
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* ── App Layout ─────────────────────────────────────────────── */
.app-layout {
  display: flex;
  flex-direction: column;
  height: 100dvh;   /* dynamic viewport height (handles mobile browser chrome) */
  overflow: hidden;
  padding-top: var(--safe-top);
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
  position: relative;
  background: #000;
}

/* Atmospheric radial gradient behind content — echoes Manna's dimmed
   nature-photo backgrounds (blue-cool at top-left, deep-green at bottom-right) */
.app-layout::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 130% 60% at 20% 8%,  rgba(21, 101, 192, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 90%  80% at 80% 92%, rgba(0,  77,  64,  0.10) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}

/* ── Toolbar ────────────────────────────────────────────────── */
.toolbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  height: var(--toolbar-h);
  padding: 0 12px;
  background: rgba(0,0,0,0.50);      /* glass — matches Manna's rgba(0,0,0,0.3) header */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  color: #fff;
  z-index: 10;
  user-select: none;
}

.toolbar__left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.toolbar__logo {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
}

.toolbar__brand {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.toolbar__center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  overflow: hidden;
}

.toolbar__right {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Detected language badge */
.toolbar__lang-badge {
  display: none;
  padding: 2px 8px;
  background: rgba(255,255,255,0.18);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.toolbar__lang-badge:not(:empty) {
  display: inline-block;
}

/* Status indicator */
.toolbar__status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  opacity: 0.92;
  white-space: nowrap;
}

/* Status dot — animated based on data-state */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  flex-shrink: 0;
}

.status-dot[data-state="idle"] {
  background: rgba(255,255,255,0.45);
}

.status-dot[data-state="connecting"] {
  background: #FFC83D;
  animation: dot-pulse 1s infinite;
}

.status-dot[data-state="live"] {
  background: #7FBA00;
  animation: dot-live 2s ease-in-out infinite;
}

.status-dot[data-state="reconnecting"] {
  background: #FFC83D;
  animation: dot-spin 1s linear infinite;
}

.status-dot[data-state="stopped"],
.status-dot[data-state="completed"] {
  background: rgba(255,255,255,0.55);
}

.status-dot[data-state="error"] {
  background: #F1707B;
}

@keyframes dot-live {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.8); }
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Alert Banner ───────────────────────────────────────────── */
.banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  z-index: 9;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.banner--hidden {
  display: none;
}

.banner--warning {
  background: rgba(255, 152, 0, 0.15);
  color: #FFB74D;
  border-bottom: 1px solid rgba(255, 152, 0, 0.30);
}

.banner--error {
  background: rgba(244, 67, 54, 0.15);
  color: #EF9A9A;
  border-bottom: 1px solid rgba(244, 67, 54, 0.30);
}

.banner--info {
  background: rgba(33, 150, 243, 0.12);
  color: #90CAF9;
  border-bottom: 1px solid rgba(33, 150, 243, 0.25);
}

.banner__icon {
  flex-shrink: 0;
  font-size: 15px;
}

.banner__close {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  color: inherit;
  opacity: 0.65;
  line-height: 1;
}

.banner__close:hover {
  opacity: 1;
  background: rgba(0,0,0,0.07);
}

/* ── Content Area ───────────────────────────────────────────── */
.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

/* When translation pane is open, split 50/50 vertically */
.content-area--dual .pane--transcript,
.content-area--dual .pane--translation {
  flex: 1 1 50%;
  min-height: 0;
}

/* ── Bottom Controls ────────────────────────────────────────── */
.controls {
  flex-shrink: 0;
  background: rgba(0,0,0,0.50);      /* glass — mirrors the toolbar style */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255,255,255,0.10);
  padding: 10px 16px;
  padding-bottom: calc(10px + var(--safe-bottom));
  z-index: 10;
}

.controls__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 8px 14px;
  transition: background 0.15s ease, opacity 0.15s ease, transform 0.1s ease;
  white-space: nowrap;
  text-decoration: none;
  -webkit-user-select: none;
  user-select: none;
}

.btn:active {
  transform: scale(0.96);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
}

/* Icon button */
.btn--icon {
  padding: 8px;
  border-radius: var(--radius-md);
  background: transparent;
  color: inherit;
}

.btn--icon:hover {
  background: rgba(255,255,255,0.15);
}

/* Text button */
.btn--text {
  background: transparent;
  color: var(--color-primary);
  padding: 6px 10px;
}

.btn--text:hover {
  background: var(--color-primary-light);
}

.btn--danger {
  color: var(--color-danger) !important;
}

.btn--danger:hover {
  background: #FDE7E9 !important;
}

/* Language picker button */
.controls__lang-wrap {
  position: relative;
  flex: 1;
}

.btn--lang {
  width: 100%;
  background: var(--color-surface-alt);
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  padding: 9px 12px;
  border-radius: var(--radius-md);
  font-size: 13px;
  justify-content: flex-start;
  gap: 6px;
  overflow: hidden;
}

.btn--lang:hover,
.btn--lang[aria-expanded="true"] {
  border-color: var(--color-primary);
  background: var(--color-surface);
}

.btn--lang svg:last-child {
  margin-left: auto;
  opacity: 0.6;
  transition: transform 0.2s ease;
}

.btn--lang[aria-expanded="true"] svg:last-child {
  transform: rotate(180deg);
}

#lang-label {
  flex: 1;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Record button */
.btn--record {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  padding: 0;
  box-shadow: 0 4px 14px rgba(33,150,243,0.40);
  flex-shrink: 0;
  font-size: 11px;
}

.btn--record:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 18px rgba(33,150,243,0.55);
}

/* Pulsing ring while recording */
.btn-record__ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2.5px solid var(--color-primary);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.btn--record[data-state="recording"] .btn-record__ring {
  opacity: 1;
  animation: record-ring 1.4s ease-out infinite;
}

@keyframes record-ring {
  0%   { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.35); opacity: 0; }
}

.btn-record__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 44px;
}

.btn-record__inner svg {
  width: 22px;
  height: 22px;
}

.btn-record__label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
  position: absolute;
  bottom: 8px;
}

/* Loading spinner icon */
.icon-loading--hidden,
.icon-stop--hidden {
  display: none;
}

/* Loading spinner animation */
.btn--record[data-state="connecting"] .icon-loading {
  display: block;
  animation: icon-spin 0.8s linear infinite;
}

.btn--record[data-state="connecting"] .icon-record {
  display: none;
}

.btn--record[data-state="recording"] .icon-stop,
.btn--record[data-state="stopping"] .icon-stop {
  display: block;
}

.btn--record[data-state="recording"] .icon-record,
.btn--record[data-state="stopping"] .icon-record {
  display: none;
}

/* Red stop colour while recording */
.btn--record[data-state="recording"],
.btn--record[data-state="stopping"] {
  background: #D13438;
  box-shadow: 0 4px 14px rgba(209,52,56,0.4);
}

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

/* Translate button */
.btn--translate {
  flex: 1;
  background: var(--color-surface-alt);
  border: 1.5px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 9px 12px;
  border-radius: var(--radius-md);
  font-size: 13px;
}

.btn--translate:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-surface);
}

.btn--translate[aria-pressed="true"] {
  background: rgba(33,150,243,0.15);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ── Language Dropdown ──────────────────────────────────────── */
.lang-dropdown {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 55vh;
  overflow-y: auto;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  animation: dropdown-in 0.18s ease;
}

.lang-dropdown--hidden {
  display: none;
}

@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.lang-option {
  padding: 11px 16px;
  font-size: 14px;
  cursor: pointer;
  color: var(--color-text);
  border-radius: 0;
  transition: background 0.1s ease;
}

.lang-option:hover,
.lang-option:focus {
  background: var(--color-primary-light);
  outline: none;
}

.lang-option[aria-selected="true"] {
  background: var(--color-primary);
  color: #fff;
  font-weight: 500;
}

/* ── Click-away Overlay ─────────────────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: transparent;
}

.overlay--hidden {
  display: none;
}

/* ── Modal ──────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 0 var(--safe-bottom);
  animation: backdrop-in 0.2s ease;
  overflow-y: auto;
}

.modal-backdrop--hidden {
  display: none;
}

@keyframes backdrop-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: sheet-up 0.25s cubic-bezier(0.34, 1.2, 0.64, 1);
}

@keyframes sheet-up {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.modal__header {
  display: flex;
  align-items: center;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal__title {
  font-size: 17px;
  font-weight: 600;
  margin: 0;
  flex: 1;
}

.modal__body {
  overflow-y: auto;
  flex: 1;
  padding: 8px 0 16px;
  -webkit-overflow-scrolling: touch;
}

.modal__empty {
  text-align: center;
  color: var(--color-text-secondary);
  padding: 32px 16px;
  font-size: 14px;
  margin: 0;
}

/* History items */
.history-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  gap: 8px;
  border-bottom: 1px solid var(--color-border);
}

.history-item:last-child {
  border-bottom: none;
}

.history-item__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.history-item__date {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-item__meta {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.history-item__actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

/* ── Spinner ────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ── Focus Visible ──────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ── Touch Scrolling ────────────────────────────────────────── */
.pane__body,
.modal__body,
.lang-dropdown {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}