/* ============================================================
   AI Relationship Coach — Stylesheet
   Mobile-first, warm palette, full dark/light mode
   ============================================================ */

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  /* Brand */
  --clr-primary:        #C2813A;
  --clr-primary-dark:   #A66A28;
  --clr-primary-light:  #F5E6D3;
  --clr-accent:         #2D6A6A;

  /* Semantic */
  --clr-success:        #2D7A4F;
  --clr-error:          #C23A3A;
  --clr-warning:        #B8860B;

  /* Spacing scale (8px base) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;

  /* Typography */
  --font-heading: 'Heebo', sans-serif;
  --font-body:    'Heebo', sans-serif;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;

  /* Shape */
  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* Motion */
  --transition: 180ms ease;

  /* Safe areas (notched phones) */
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 16px);
}

/* ── Light Theme ────────────────────────────────────────────── */
[data-theme="light"],
:root {
  --bg:          #FAF8F5;
  --bg-surface:  #FFFFFF;
  --bg-raised:   #F0EBE3;
  --border:      #E8E0D5;
  --text-1:      #1A1714;
  --text-2:      #6B5F54;
  --text-3:      #9C8E82;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.14);
  --user-bubble: var(--clr-primary);
  --user-text:   #FFFFFF;
}

/* ── Dark Theme ─────────────────────────────────────────────── */
[data-theme="dark"] {
  --bg:          #141210;
  --bg-surface:  #1E1C1A;
  --bg-raised:   #2A2622;
  --border:      #2E2A26;
  --text-1:      #F0EBE3;
  --text-2:      #B0A090;
  --text-3:      #705E50;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.3);
  --shadow-md:   0 4px 16px rgba(0,0,0,.4);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.5);
  --clr-primary: #D4944A;
  --clr-primary-dark: #C2813A;
  --clr-primary-light: #2A1F12;
  --user-bubble: #D4944A;
  --user-text:   #1A1714;
}

/* ── Font Size Variants ─────────────────────────────────────── */
[data-font="sm"] { font-size: 14px; }
[data-font="md"] { font-size: 16px; }
[data-font="lg"] { font-size: 18px; }

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  height: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-y: none;
}

body {
  min-height: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-1);
  background: var(--bg);
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a { color: inherit; }
textarea { font-family: inherit; }

/* ── Screen Utility ─────────────────────────────────────────── */
.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
}
.screen.hidden { display: none; }
.hidden { display: none !important; }

/* ============================================================
   AUTH SCREEN
   ============================================================ */
#auth-screen {
  align-items: center;
  padding: var(--sp-4);
  background: linear-gradient(160deg, var(--clr-primary-light) 0%, var(--bg) 50%);
  overflow-y: auto;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-lg);
  margin-block: auto;
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--sp-4);
}

.auth-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--clr-primary);
}

/* Signup intro block */
.signup-intro {
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-1);
}

.signup-headline {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
  margin-bottom: var(--sp-3);
}

.signup-intro-text {
  font-size: var(--text-sm);
  color: var(--text-2);
  line-height: 1.6;
}

/* Auth Tabs */
.auth-tabs {
  display: flex;
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: var(--sp-5);
  gap: 4px;
}

.auth-tab {
  flex: 1;
  padding: var(--sp-2) var(--sp-3);
  border-radius: calc(var(--radius-sm) - 2px);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-2);
  transition: all var(--transition);
}

.auth-tab.active {
  background: var(--bg-surface);
  color: var(--clr-primary);
  box-shadow: var(--shadow-sm);
}

/* Form Elements */
.auth-form { display: flex; flex-direction: column; gap: var(--sp-4); }

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-1);
}

.label-hint {
  font-weight: 400;
  color: var(--text-3);
}

.form-group input {
  padding: var(--sp-3) var(--sp-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-1);
  font-size: var(--text-base);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--clr-primary) 20%, transparent);
}

.form-group input::placeholder { color: var(--text-3); }

.form-error {
  font-size: var(--text-sm);
  color: var(--clr-error);
  min-height: 1.2em;
}
#google-terms-error:empty {
  display: none;
}

/* Terms checkbox */
.terms-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-2);
  line-height: 1.5;
}
.terms-checkbox input[type="checkbox"] {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--clr-primary);
  cursor: pointer;
}
.terms-checkbox a {
  color: var(--clr-primary);
  text-decoration: underline;
}
.terms-checkbox a:hover { opacity: 0.8; }

/* Legal note under signup button */
.signup-legal {
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
  line-height: 1.5;
}
.signup-legal a {
  color: var(--text-2);
  text-decoration: underline;
}
.signup-legal a:hover { color: var(--clr-primary); }

/* Auth divider & Google button */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--text-3);
  font-size: var(--text-sm);
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.google-btn-wrap {
  display: flex;
  justify-content: center;
  height: 44px;
}
.google-btn-signup-outer {
  position: relative;
}
.google-signup-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  cursor: pointer;
}
.google-signup-overlay.terms-accepted {
  display: none;
}

/* Buttons */
.btn-primary {
  padding: var(--sp-3) var(--sp-5);
  background: var(--clr-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-heading);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--clr-primary) 40%, transparent);
}

.btn-primary:hover  { background: var(--clr-primary-dark); box-shadow: 0 4px 12px color-mix(in srgb, var(--clr-primary) 50%, transparent); }
.btn-primary:active { transform: scale(.98); }
.btn-primary:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 2px; }

.btn-ghost {
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-2);
  transition: color var(--transition), background var(--transition);
}
.btn-ghost:hover { color: var(--clr-primary); background: var(--clr-primary-light); }
.btn-ghost:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 2px; }

.btn-danger {
  padding: var(--sp-3) var(--sp-5);
  background: transparent;
  color: var(--clr-error);
  border: 1.5px solid var(--clr-error);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-heading);
  transition: background var(--transition);
}
.btn-danger:hover { background: color-mix(in srgb, var(--clr-error) 10%, transparent); }
.btn-danger:focus-visible { outline: 3px solid var(--clr-error); outline-offset: 2px; }

.btn-full { width: 100%; text-align: center; }

/* Loading state */
button[data-loading]::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin-inline-start: var(--sp-2);
  vertical-align: middle;
}

/* ============================================================
   APP SCREEN
   ============================================================ */
#app-screen {
  background: var(--bg);
}

/* ── Header ─────────────────────────────────────────────────── */
.app-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding-top: calc(var(--safe-top) + var(--sp-4));
  padding-bottom: var(--sp-4);
  padding-inline: var(--sp-4);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 680px;
  margin: 0 auto;
}

.header-greeting {
  font-size: var(--text-sm);
  color: var(--text-2);
  line-height: 1.2;
}

.header-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--text-1);
  line-height: 1.2;
}

/* Menu Button */
.menu-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-1);
  transition: background var(--transition);
  flex-shrink: 0;
}
.menu-btn:hover  { background: var(--bg-raised); }
.menu-btn:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 2px; }

.menu-icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 18px;
}
.menu-icon span {
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-btn[aria-expanded="true"] .menu-icon span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-icon span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-btn[aria-expanded="true"] .menu-icon span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Chat Window ────────────────────────────────────────────── */
.chat-window {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  scroll-behavior: smooth;
  overscroll-behavior-y: contain;
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
  align-self: stretch;
}

/* Scrollbar */
.chat-window::-webkit-scrollbar { width: 4px; }
.chat-window::-webkit-scrollbar-track { background: transparent; }
.chat-window::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Empty state */
.chat-empty {
  margin: auto;
  text-align: center;
  padding: var(--sp-7) var(--sp-5);
}
.chat-empty-icon { font-size: 3rem; margin-bottom: var(--sp-4); }
.chat-empty-text {
  font-size: var(--text-lg);
  color: var(--text-2);
  max-width: 280px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Message Bubbles ────────────────────────────────────────── */
.message {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: slideUp .25s ease;
}

.message--user {
  align-self: flex-end;
  align-items: flex-end;
}

.message--ai {
  align-self: flex-start;
  align-items: flex-start;
}

/* In RTL flex-column, flex-end = left and flex-start = right — swap so
   user stays on the right and AI stays on the left */
[dir="rtl"] .message--user {
  align-self: flex-start;
  align-items: flex-start;
}

[dir="rtl"] .message--ai {
  align-self: flex-end;
  align-items: flex-end;
}

.message-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: var(--sp-1);
  color: var(--text-3);
}

.bubble {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius);
  font-size: var(--text-base);
  line-height: 1.6;
  word-break: break-word;
}

/* User bubble */
.message--user .bubble {
  background: var(--user-bubble);
  color: var(--user-text);
  border-bottom-right-radius: var(--sp-1);
}

/* AI explanation bubble */
.bubble--explanation {
  background: var(--bg-surface);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-bottom-left-radius: var(--sp-1);
  box-shadow: var(--shadow-sm);
}

/* Multiple crafted variants — spacing between stacked bubbles */
.message--ai .bubble--crafted + .bubble--crafted {
  margin-top: 10px;
}

/* AI crafted-message bubble — visually highlighted */
.bubble--crafted {
  background: var(--clr-primary-light);
  color: var(--text-1);
  border: 2px solid var(--clr-primary);
  border-bottom-left-radius: var(--sp-1);
  width: 100%;
}

[data-theme="dark"] .bubble--crafted {
  background: var(--clr-primary-light);
  color: var(--text-1);
}

.crafted-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1.5px dashed var(--clr-primary);
}

.crafted-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--clr-primary);
  flex: 1;
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  background: var(--clr-primary);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-heading);
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.copy-btn:hover  { background: var(--clr-primary-dark); }
.copy-btn:active { transform: scale(.96); }
.copy-btn:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 2px; }

.copy-btn svg { pointer-events: none; }

.crafted-text {
  font-style: italic;
  line-height: 1.7;
  color: var(--text-1);
  white-space: pre-wrap;
}

/* ── Typing Indicator ───────────────────────────────────────── */
.typing-indicator {
  padding: 0 var(--sp-4) var(--sp-2);
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
  align-self: stretch;
}

/* History loader — shown at top of chat while fetching older messages */
.history-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) 0 var(--sp-1);
  align-self: center;
  color: var(--text-muted);
  font-size: .75rem;
}
.history-loader__spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--clr-primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

.typing-bubble {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius);
  border-bottom-left-radius: var(--sp-1);
}

.typing-bubble span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-3);
  animation: bounce 1.2s infinite ease-in-out;
}
.typing-bubble span:nth-child(2) { animation-delay: .15s; }
.typing-bubble span:nth-child(3) { animation-delay: .30s; }

/* ── Input Area ─────────────────────────────────────────────── */
.input-area {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: var(--sp-3) var(--sp-4);
  padding-bottom: calc(var(--safe-bottom) + var(--sp-3));
  flex-shrink: 0;
  box-shadow: 0 -2px 12px rgba(0,0,0,.06);
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
  align-self: stretch;
}

/* Quick-start wrapper + scroll hint */
.quick-starts-wrap {
  position: relative;
  overflow: hidden;
}

.scroll-hint {
  position: absolute !important;
  right: 0;
  left: auto;
  top: 0;
  bottom: 0;
  width: 52px;
  display: flex !important;
  align-items: center;
  justify-content: flex-end;
  padding-right: var(--sp-2);
  background: linear-gradient(to right, transparent, var(--bg-surface) 65%);
  color: var(--clr-primary);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: -3px;
  pointer-events: none;
  z-index: 2;
  transition: opacity .2s ease;
}

[dir="rtl"] .scroll-hint {
  right: auto !important;
  left: 0 !important;
  padding-right: 0;
  padding-left: var(--sp-2);
  background: linear-gradient(to left, transparent, var(--bg-surface) 65%);
}

.scroll-hint.hidden {
  opacity: 0 !important;
  pointer-events: none;
}

/* Quick-start buttons */
.quick-starts {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  padding: var(--sp-1) 0;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.quick-starts::-webkit-scrollbar { display: none; }

.quick-btn {
  flex-shrink: 0;
  padding: var(--sp-2) var(--sp-3);
  background: var(--clr-primary-light);
  color: var(--clr-primary-dark);
  border: 1.5px solid color-mix(in srgb, var(--clr-primary) 30%, transparent);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition);
}
.quick-btn:hover  { background: var(--clr-primary); color: #fff; border-color: var(--clr-primary); }
.quick-btn:active { transform: scale(.97); }
.quick-btn:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 2px; }

/* Input row */
.input-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-2);
  padding-inline-start: var(--sp-4);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input-row:focus-within {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--clr-primary) 15%, transparent);
}

.message-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-1);
  font-size: var(--text-base);
  line-height: 1.5;
  resize: none;
  max-height: 120px;
  outline: none;
  padding: var(--sp-1) 0;
}
.message-input::placeholder { color: var(--text-3); }

.send-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--clr-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
}
.send-btn:hover:not(:disabled)  { background: var(--clr-primary-dark); }
.send-btn:active:not(:disabled) { transform: scale(.94); }
.send-btn:disabled { opacity: .4; cursor: not-allowed; }
.send-btn:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 2px; }

/* ============================================================
   SETTINGS DRAWER
   ============================================================ */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 100;
  backdrop-filter: blur(2px);
  transition: opacity .2s ease;
}

.settings-drawer {
  position: fixed;
  top: 0;
  inset-inline-end: 0;
  bottom: 0;
  width: min(360px, 90vw);
  background: var(--bg-surface);
  z-index: 101;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform .25s cubic-bezier(.4,0,.2,1);
}

[dir="rtl"] .settings-drawer {
  transform: translateX(100%);
}

[dir="ltr"] .settings-drawer {
  transform: translateX(-100%);
}

.settings-drawer:not(.hidden) {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--safe-top) + var(--sp-5)) var(--sp-5) var(--sp-4);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.drawer-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--text-1);
}

.drawer-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: background var(--transition);
}
.drawer-close:hover { background: var(--bg-raised); }
.drawer-close:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 2px; }

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-4) var(--sp-5) calc(var(--safe-bottom) + var(--sp-6));
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

/* Sections */
.drawer-section { display: flex; flex-direction: column; gap: var(--sp-3); }

.section-heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0 var(--sp-2);
}

/* Settings List */
.settings-list {
  background: var(--bg-raised);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.settings-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  padding: var(--sp-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-1);
  text-align: start;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.settings-item:last-child { border-bottom: none; }
.settings-item:hover { background: var(--bg-surface); }
.settings-item:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: -3px; }

.settings-item--control { cursor: default; }
.settings-item--control:hover { background: transparent; }

.settings-item-icon { font-size: 1.1rem; flex-shrink: 0; }
.settings-item-icon--whatsapp { display: flex; align-items: center; }
.settings-item-label { flex: 1; }
.settings-item-arrow { color: var(--text-3); font-size: 1.2rem; font-weight: 300; }

/* Plan Badge */
.plan-badge {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: linear-gradient(135deg, var(--clr-primary-light), var(--bg-raised));
  border: 1.5px solid var(--clr-primary);
  border-radius: var(--radius);
}
.plan-icon { font-size: 1.5rem; flex-shrink: 0; }
.plan-name  { display: block; font-weight: 700; font-size: var(--text-base); color: var(--clr-primary); }
.plan-desc  { display: block; font-size: var(--text-sm); color: var(--text-2); }

/* Language Selector */
#language-selector {
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--bg-surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 500;
  padding: 0 32px 0 10px;
  height: 34px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color var(--transition), box-shadow var(--transition);
}
#language-selector:hover {
  border-color: var(--clr-primary);
}
#language-selector:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-light);
}

/* Theme Toggle */
.theme-toggle-group,
.font-size-group {
  display: flex;
  gap: 4px;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  padding: 3px;
  border: 1px solid var(--border);
}

.theme-btn,
.font-btn {
  width: 34px;
  height: 28px;
  border-radius: calc(var(--radius-sm) - 2px);
  font-size: var(--text-base);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: all var(--transition);
}
.theme-btn:hover, .font-btn:hover { background: var(--bg-raised); }

.theme-btn.active,
.font-btn.active {
  background: var(--clr-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.font-btn:nth-child(1) { font-size: 0.8rem; }
.font-btn:nth-child(2) { font-size: 1rem; }
.font-btn:nth-child(3) { font-size: 1.25rem; }

/* Share Buttons */
.share-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.share-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  font-weight: 600;
  transition: filter var(--transition), transform var(--transition);
  color: #fff;
}
.share-btn:hover  { filter: brightness(1.1); }
.share-btn:active { transform: scale(.98); }
.share-btn:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 2px; }

.share-btn--whatsapp { background: #25D366; }
.share-btn--twitter  { background: #000; }
.share-btn--copy     { background: var(--clr-accent); }

/* Danger settings row */
.settings-item--danger .settings-item-label { color: var(--clr-error); }
.settings-item--danger .settings-item-icon  { filter: none; }
.settings-item--danger:hover { background: color-mix(in srgb, var(--clr-error) 8%, transparent); }

/* ── Confirm Modal ──────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  backdrop-filter: blur(3px);
}

.modal {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  max-width: 340px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: slideUp .2s ease;
}

.modal-icon  { font-size: 2.5rem; margin-bottom: var(--sp-3); }
.modal-title { font-family: var(--font-heading); font-size: var(--text-xl); font-weight: 900; margin-bottom: var(--sp-3); }
.modal-desc  { font-size: var(--text-sm); color: var(--text-2); line-height: 1.6; margin-bottom: var(--sp-5); }

.modal-actions {
  display: flex;
  gap: var(--sp-3);
}
.modal-actions .btn-ghost,
.modal-actions .btn-danger {
  flex: 1;
}

/* ── Personal Guidance Modal ────────────────────────────────── */
.guidance-modal {
  position: relative;
  text-align: center;
  max-width: 360px;
  padding-top: var(--sp-7);
}
.modal-close-x {
  position: absolute;
  top: var(--sp-4);
  inset-inline-end: var(--sp-4);
  background: none;
  border: none;
  font-size: 1rem;
  color: var(--text-3);
  cursor: pointer;
  line-height: 1;
  padding: var(--sp-1);
  border-radius: var(--radius-sm);
  transition: color .15s, background .15s;
}
.modal-close-x:hover { color: var(--text-1); background: var(--bg); }

.guidance-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--clr-primary);
  box-shadow: 0 0 0 4px var(--clr-primary-light);
  margin-bottom: var(--sp-4);
}
.guidance-cta {
  width: 100%;
  margin-bottom: var(--sp-3);
}
.guidance-cancel {
  width: 100%;
}

/* ── About Modal ────────────────────────────────────────────── */
.about-modal {
  position: relative;
  text-align: start;
  max-width: 400px;
  padding-top: var(--sp-7);
  display: flex;
  flex-direction: column;
  align-items: center;
  max-height: 88vh;
}
.about-modal .modal-title {
  text-align: center;
  margin-bottom: var(--sp-4);
}
.about-body {
  width: 100%;
  overflow-y: auto;
  flex: 1;
  padding-bottom: var(--sp-2);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.about-section {
  margin-bottom: var(--sp-5);
}
.about-section-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: var(--sp-2);

}
.about-section-body {
  font-size: var(--text-sm);
  color: var(--text-2);
  line-height: 1.7;

}
.about-section-body p { margin-bottom: var(--sp-3); }
.about-section-body p:last-child { margin-bottom: 0; }
.about-section-body ul + p { margin-top: var(--sp-4); }
.about-section-body ul {
  margin-top: var(--sp-2);
  padding-inline-start: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.about-section-body li { color: var(--text-2); }
.about-quote {
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--text-1);
  font-weight: 600;
  border-inline-start: 3px solid var(--clr-primary);
  padding-inline-start: var(--sp-4);
  margin: var(--sp-2) 0 var(--sp-5);
  line-height: 1.5;
}
.about-cta {
  width: 100%;
  margin-top: var(--sp-4);
  margin-bottom: var(--sp-3);
  flex-shrink: 0;
}
.about-close {
  width: 100%;
  flex-shrink: 0;
}

/* ── About Card (drawer) ─────────────────────────────────────── */
.about-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--clr-primary-light);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(194,129,58,0.10);
  transition: background var(--transition), box-shadow var(--transition);
  text-align: start;
}
.about-link:hover {
  background: #EDD9BC;
  box-shadow: 0 2px 8px rgba(194,129,58,0.18);
}
.about-link:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
}
.about-link-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.about-link-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--clr-primary-dark);
  line-height: 1.2;
}
.about-link-sub {
  font-size: 0.75rem;
  color: var(--text-2);
  line-height: 1.2;
}
.about-link .settings-item-arrow {
  color: var(--clr-primary);
  opacity: 0.6;
}

/* ── Contact Us Modal ───────────────────────────────────────── */
.contact-modal { text-align: center; }

.contact-reply-line {
  font-size: var(--text-sm);
  color: var(--text-2);
  margin-bottom: var(--sp-4);
  line-height: 1.5;
}

.contact-reply-email {
  font-weight: 600;
  color: var(--clr-primary);
  background: color-mix(in srgb, var(--clr-primary) 10%, transparent);
  border-radius: var(--radius-sm);
  padding: 1px var(--sp-2);
  white-space: nowrap;
}

.contact-msg-group { text-align: start; margin-bottom: var(--sp-2); }

.contact-textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-1);
  font-size: var(--text-base);
  font-family: inherit;
  line-height: 1.6;
  resize: vertical;
  min-height: 110px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--clr-primary) 20%, transparent);
}

.contact-textarea::placeholder { color: var(--text-3); }

/* ── Form Modal modifier (left-aligned labels, extra breathing room) ── */
.modal--form {
  text-align: start;
  max-width: 380px;
  padding: var(--sp-7) var(--sp-6);
}
.modal--form .modal-icon,
.modal--form .modal-title {
  text-align: center;
}
.modal--form .modal-title {
  margin-bottom: var(--sp-5);
}
.modal--form .form-group {
  margin-bottom: var(--sp-5);
}
.modal--form .form-group label {
  display: block;
  margin-bottom: var(--sp-2);
}

/* ── Change Password Modal ──────────────────────────────────── */
.pw-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--sp-2);
}
.pw-suggest-btn {
  font-size: .75rem;
  font-weight: 600;
  color: var(--clr-primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.pw-suggest-btn:hover { color: var(--clr-primary-dark); }

.pw-input-wrap { position: relative; }
.pw-input-wrap .form-input { padding-inline-end: 2.4rem; }
.pw-toggle-btn {
  position: absolute;
  inset-block: 0;
  inset-inline-end: var(--sp-3);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-3);
  display: flex;
  align-items: center;
}
.pw-toggle-btn:hover { color: var(--text-1); }

.pw-strength-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-top: var(--sp-2);
  overflow: hidden;
}
.pw-strength-fill {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width .3s, background .3s;
}
.pw-strength-label {
  font-size: .72rem;
  margin-top: var(--sp-1);
  font-weight: 600;
}

/* ── Edit Name Modal ────────────────────────────────────────── */
.edit-name-modal { text-align: center; }

.name-preview {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--clr-primary);
  background: color-mix(in srgb, var(--clr-primary) 8%, transparent);
  border-radius: var(--radius);
  padding: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-4);
  min-height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .15s ease;
}

.name-preview:empty { opacity: 0; }

.name-input-group { margin-bottom: var(--sp-2); }

.name-input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-1);
  font-size: var(--text-xl);
  font-weight: 700;
  font-family: var(--font-heading);
  text-align: center;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.name-input:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--clr-primary) 20%, transparent);
}

.name-input::placeholder { color: var(--text-3); font-weight: 400; }

.modal-actions .btn-primary { flex: 1; }

/* ── Rate Limit Warning ─────────────────────────────────────── */
.rate-limit-warn {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-warning);
  background: color-mix(in srgb, var(--clr-warning) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr-warning) 30%, transparent);
  border-radius: var(--radius-sm);
  padding: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-2);
  text-align: center;
  animation: slideUp .2s ease;
}

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: calc(var(--safe-bottom) + 80px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-1);
  color: var(--bg);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  z-index: 200;
  pointer-events: none;
  box-shadow: var(--shadow-md);
  animation: fadeInOut 2.5s ease forwards;
}

/* ── Character Counter ──────────────────────────────────────── */
#char-counter {
  font-size: 0.72rem;
  color: var(--text-3);
  text-align: end;
  padding: 0 var(--sp-1) var(--sp-1);
  transition: color var(--transition);
  line-height: 1;
  direction: ltr;
}

[dir="rtl"] #char-counter {
  text-align: start;
}

#char-counter.near-limit {
  color: var(--clr-error);
  font-weight: 600;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30%           { transform: translateY(-6px); }
}

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

@keyframes fadeInOut {
  0%   { opacity: 0; transform: translateX(-50%) translateY(8px); }
  15%  { opacity: 1; transform: translateX(-50%) translateY(0); }
  75%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ============================================================
   PIN — Digit Inputs, Modals, Lock Overlay
   ============================================================ */

/* ── PIN digit input boxes ──────────────────────────────────── */
.pin-inputs {
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
  margin: var(--sp-4) 0;
}

.pin-digit {
  width: 58px;
  height: 68px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-surface);
  color: var(--text-1);
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-body);
  text-align: center;
  caret-color: transparent;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  -webkit-appearance: none;
}

.pin-digit::placeholder {
  color: var(--border);
  font-size: 1.25rem;
}

.pin-digit:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--clr-primary) 20%, transparent);
}

.pin-digit:not(:placeholder-shown) {
  background: var(--bg-raised);
  border-color: var(--clr-primary);
}

.pin-digit.pin-digit--error {
  border-color: var(--clr-error);
  animation: pinShake 0.35s ease;
}

@keyframes pinShake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-6px); }
  40%     { transform: translateX(6px); }
  60%     { transform: translateX(-4px); }
  80%     { transform: translateX(4px); }
}

/* ── PIN modal (shared between setup + change) ──────────────── */
.pin-modal {
  text-align: center;
}

.pin-input-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-2);
  text-align: center;
  margin-bottom: 0;
}

.pin-remove-link {
  display: block;
  width: 100%;
  margin-top: var(--sp-4);
  background: none;
  border: none;
  color: var(--clr-error);
  font-size: var(--text-sm);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: var(--sp-2);
  border-radius: var(--radius-sm);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition);
}
.pin-remove-link:hover { opacity: 0.75; }

/* Stack modal actions vertically for PIN setup */
.modal-actions--column {
  flex-direction: column;
}
.modal-actions--column .btn-ghost,
.modal-actions--column .btn-primary {
  width: 100%;
}

/* ── PIN Lock Overlay (full-screen) ─────────────────────────── */
.pin-lock-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  animation: fadeIn 0.22s ease;
}

.pin-lock-overlay.hidden {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.pin-lock-card {
  width: 100%;
  max-width: 320px;
  text-align: center;
}

.pin-lock-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--sp-4);
  animation: lockBounce 0.5s ease;
}

@keyframes lockBounce {
  0%   { transform: scale(0.6); opacity: 0; }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1);   opacity: 1; }
}

.pin-lock-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--text-1);
  margin-bottom: var(--sp-2);
}

.pin-lock-desc {
  font-size: var(--text-base);
  color: var(--text-2);
}

.pin-lock-signout {
  margin-top: var(--sp-6);
  background: none;
  border: none;
  color: var(--text-3);
  font-size: var(--text-sm);
  font-family: inherit;
  cursor: pointer;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.pin-lock-signout:hover { color: var(--clr-error); }

/* ── Paywall Modal ──────────────────────────────────────────── */
.paywall-modal {
  position: relative;
  max-width: 400px;
  padding: 0;
  overflow-y: auto;
  max-height: 90vh;
  text-align: center;
}

.paywall-header {
  background: linear-gradient(150deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
  padding: var(--sp-5) var(--sp-6) var(--sp-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}

.paywall-stars {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
}

.paywall-icon {
  font-size: 2.8rem;
  line-height: 1;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.25));
}

.paywall-modal .modal-title.paywall-title {
  margin: var(--sp-5) var(--sp-6) var(--sp-3);
  font-size: var(--text-xl);
  line-height: 1.3;
}

.paywall-lead {
  margin: 0 var(--sp-6) var(--sp-4);
  font-size: var(--text-sm);
  color: var(--text-2);
  line-height: 1.65;
}

.paywall-limit-note {
  margin: 0 var(--sp-6) var(--sp-4);
  font-size: var(--text-sm);
  color: var(--clr-primary-dark);
  background: var(--clr-primary-light);
  border: 1px solid color-mix(in srgb, var(--clr-primary) 30%, transparent);
  border-radius: var(--radius-sm);
  padding: var(--sp-2) var(--sp-3);
  line-height: 1.5;
}

.paywall-features {
  margin: 0 var(--sp-5) var(--sp-5);
  background: var(--clr-primary-light);
  border: 1.5px solid color-mix(in srgb, var(--clr-primary) 25%, transparent);
  border-radius: var(--radius);
  padding: var(--sp-4);
  text-align: start;
}

.paywall-features-heading {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 900;
  color: var(--clr-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-3);
}

.paywall-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: 0;
  margin: 0;
}

.paywall-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--sp-2);
  align-items: start;
  font-size: var(--text-sm);
  color: var(--text-1);
  line-height: 1.5;
}

.paywall-list li::before {
  content: '✦';
  color: var(--clr-primary);
  font-size: 0.7rem;
  margin-top: 3px;
  font-weight: 700;
}

.paywall-cta {
  display: block;
  width: calc(100% - var(--sp-6) * 2);
  margin: 0 var(--sp-6) var(--sp-3);
  font-size: var(--text-base);
  padding: var(--sp-4) var(--sp-5);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--clr-primary) 45%, transparent);
}

.paywall-dismiss {
  display: block;
  width: 100%;
  margin-bottom: var(--sp-4);
  font-size: var(--text-sm);
  color: var(--text-3);
  border: none;
  padding: var(--sp-2);
}
.paywall-dismiss:hover { color: var(--text-2); background: transparent; }

/* ============================================================
   TABLET / DESKTOP ADJUSTMENTS
   ============================================================ */
@media (min-width: 640px) {
  .auth-card { padding: var(--sp-7); }

  .chat-window {
    padding-inline: var(--sp-6);
  }

  .input-area {
    padding-inline: var(--sp-6);
  }

  .message { max-width: 72%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}