/* ===========================
   YesHello.info — Minimal Design
   =========================== */

/* ====== LANGUAGE PICKER ====== */
.lang-picker {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 100;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-chat, #fff);
  border: 1px solid var(--border, #e5e5e5);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text, #111);
  cursor: pointer;
  transition: box-shadow 0.2s;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.lang-toggle:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lang-toggle svg {
  opacity: 0.5;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-chat, #fff);
  border: 1px solid var(--border, #e5e5e5);
  border-radius: 10px;
  padding: 4px;
  min-width: 160px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s, visibility 0.15s, transform 0.15s;
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 500;
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text-secondary, #555);
  cursor: pointer;
  transition: background 0.15s;
}

.lang-option:hover {
  background: var(--bg, #fafafa);
  color: var(--text, #111);
}

.lang-option.active {
  color: var(--accent, #7c3aed);
  font-weight: 600;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #fafafa;
  --bg-chat: #ffffff;
  --text: #111;
  --text-secondary: #555;
  --text-muted: #999;
  --border: #e5e5e5;
  --accent: #7c3aed;
  --green: #059669;
  --red: #dc2626;
  --radius: 10px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  color: var(--text-secondary);
}

/* ====== HERO ====== */
.hero {
  padding: 120px 0 80px;
  text-align: center;
}

.hero h1 {
  margin-bottom: 16px;
}

.hero h1 .wave {
  display: inline-block;
  animation: wave 2.5s ease-in-out infinite;
  transform-origin: 70% 70%;
}

@keyframes wave {

  0%,
  100% {
    transform: rotate(0deg);
  }

  10% {
    transform: rotate(14deg);
  }

  20% {
    transform: rotate(-8deg);
  }

  30% {
    transform: rotate(14deg);
  }

  40% {
    transform: rotate(-4deg);
  }

  50% {
    transform: rotate(10deg);
  }

  60%,
  100% {
    transform: rotate(0deg);
  }
}

.hero .subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 440px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ====== CHAT PANELS ====== */
.section {
  padding: 64px 0;
}

.section-title {
  margin-bottom: 8px;
}

.section-desc {
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.chat-panel {
  background: var(--bg-chat);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
}

.chat-label {
  padding: 12px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.chat-label--bad {
  color: var(--red);
  background: #fef2f2;
}

.chat-label--good {
  color: var(--green);
  background: #ecfdf5;
}

.chat-body {
  padding: 20px;
  font-size: 0.9rem;
}

.msg {
  display: flex;
  gap: 12px;
  padding: 6px 0;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.msg.visible {
  opacity: 1;
  transform: translateY(0);
}

.msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  margin-top: 2px;
}

.msg-avatar--a {
  background: var(--accent);
}

.msg-avatar--b {
  background: #2563eb;
}

.msg-name {
  font-weight: 600;
  font-size: 0.82rem;
}

.msg-time {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.75rem;
  margin-left: 6px;
}

.msg-text {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
  margin-top: 1px;
}

.waiting {
  padding: 10px 0 10px 40px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  opacity: 0;
  transition: opacity 0.3s;
}

.waiting.visible {
  opacity: 1;
}

.waiting-dots {
  display: inline-flex;
  gap: 3px;
  margin-right: 6px;
  vertical-align: middle;
}

.waiting-dots span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: blink 1.4s infinite;
}

.waiting-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.waiting-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blink {

  0%,
  80%,
  100% {
    opacity: 0.3;
  }

  40% {
    opacity: 1;
  }
}

.time-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--green);
  margin-top: 8px;
}

/* ====== RULE ====== */
.rule {
  text-align: center;
  padding: 72px 0;
}

.formula {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 700;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.formula span {
  padding: 6px 16px;
  border-radius: 6px;
}

.formula .f-hello {
  background: #ede9fe;
  color: #6d28d9;
}

.formula .f-op {
  color: var(--text-muted);
  background: none;
  padding: 0;
}

.formula .f-context {
  background: #dbeafe;
  color: #1d4ed8;
}

.formula .f-respect {
  background: #d1fae5;
  color: #047857;
}

.rule p {
  max-width: 500px;
  margin: 0 auto;
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ====== APP-THEMED TEMPLATES ====== */
.template-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .template-grid {
    grid-template-columns: 1fr;
  }
}

.tpl-card {
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.tpl-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* --- Title bar --- */
.tpl-app-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 0.75rem;
  font-weight: 600;
}

.tpl-app-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.tpl-app-name {
  margin-left: 6px;
  opacity: 0.8;
}

/* --- Body --- */
.tpl-app-body {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  flex: 1;
}

.tpl-app-avatar {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.tpl-app-content {
  flex: 1;
  min-width: 0;
}

.tpl-app-sender {
  font-weight: 700;
  font-size: 0.82rem;
  margin-bottom: 3px;
}

.tpl-app-sender span {
  font-weight: 400;
  font-size: 0.7rem;
  opacity: 0.5;
  margin-left: 6px;
}

.tpl-msg {
  font-size: 0.85rem;
  line-height: 1.55;
  margin-bottom: 0;
}

.tpl-card .copy-btn {
  align-self: flex-start;
  margin: 8px 16px 14px;
}

/* --- Email fields --- */
.tpl-email-field {
  font-size: 0.78rem;
  padding: 4px 0;
  opacity: 0.6;
}

.tpl-email-field span {
  opacity: 1;
  font-weight: 500;
}

/* --- WhatsApp bubble --- */
.tpl-wa-body {
  padding: 14px 16px;
  display: flex;
  justify-content: flex-end;
}

.tpl-wa-bubble {
  max-width: 85%;
  padding: 10px 12px 4px;
  border-radius: 10px 2px 10px 10px;
}

.tpl-wa-time {
  display: block;
  text-align: right;
  font-size: 0.65rem;
  opacity: 0.5;
  margin-top: 4px;
  padding-bottom: 2px;
}

/* =======================
   PER-APP THEMES
   ======================= */

/* Slack */
[data-app="slack"] {
  background: #1a1d21;
  border: 1px solid #2c2d31;
  color: #d1d2d3;
}

[data-app="slack"] .tpl-app-bar {
  background: #1a1d21;
  border-bottom: 1px solid #2c2d31;
  color: #d1d2d3;
}

[data-app="slack"] .tpl-app-dot:nth-child(1) {
  background: #ec6a5e;
}

[data-app="slack"] .tpl-app-dot:nth-child(2) {
  background: #f4bf4f;
}

[data-app="slack"] .tpl-app-dot:nth-child(3) {
  background: #61c554;
}

[data-app="slack"] .tpl-app-avatar {
  background: #611f69;
  border-radius: 6px;
}

[data-app="slack"] .tpl-app-sender {
  color: #e8912d;
}

[data-app="slack"] .tpl-msg {
  color: #d1d2d3;
}

[data-app="slack"] .copy-btn {
  border-color: #3c3d41;
  color: #8b8d91;
}

[data-app="slack"] .copy-btn:hover {
  border-color: #e8912d;
  color: #e8912d;
}

/* Teams */
[data-app="teams"] {
  background: #292929;
  border: 1px solid #3d3d3d;
  color: #e0e0e0;
}

[data-app="teams"] .tpl-app-bar {
  background: #292929;
  border-bottom: 1px solid #3d3d3d;
  color: #c8c8c8;
}

[data-app="teams"] .tpl-app-dot:nth-child(1) {
  background: #ec6a5e;
}

[data-app="teams"] .tpl-app-dot:nth-child(2) {
  background: #f4bf4f;
}

[data-app="teams"] .tpl-app-dot:nth-child(3) {
  background: #61c554;
}

[data-app="teams"] .tpl-app-avatar {
  background: #505be4;
  border-radius: 50%;
}

[data-app="teams"] .tpl-app-sender {
  color: #e0e0e0;
}

[data-app="teams"] .tpl-msg {
  color: #c8c8c8;
}

[data-app="teams"] .copy-btn {
  border-color: #4a4a4a;
  color: #8b8b8b;
}

[data-app="teams"] .copy-btn:hover {
  border-color: #505be4;
  color: #7b83eb;
}

/* Discord */
[data-app="discord"] {
  background: #313338;
  border: 1px solid #3f4147;
  color: #dbdee1;
}

[data-app="discord"] .tpl-app-bar {
  background: #2b2d31;
  border-bottom: 1px solid #3f4147;
  color: #949ba4;
}

[data-app="discord"] .tpl-app-dot:nth-child(1) {
  background: #ec6a5e;
}

[data-app="discord"] .tpl-app-dot:nth-child(2) {
  background: #f4bf4f;
}

[data-app="discord"] .tpl-app-dot:nth-child(3) {
  background: #61c554;
}

[data-app="discord"] .tpl-app-avatar {
  background: #5865f2;
  border-radius: 50%;
}

[data-app="discord"] .tpl-app-sender {
  color: #f0b232;
}

[data-app="discord"] .tpl-msg {
  color: #dbdee1;
}

[data-app="discord"] .copy-btn {
  border-color: #4a4c52;
  color: #949ba4;
}

[data-app="discord"] .copy-btn:hover {
  border-color: #5865f2;
  color: #7984f5;
}

/* Email / Gmail */
[data-app="email"] {
  background: #ffffff;
  border: 1px solid var(--border);
  color: #202124;
}

[data-app="email"] .tpl-app-bar {
  background: #f8f9fa;
  border-bottom: 1px solid #e8eaed;
  color: #5f6368;
}

[data-app="email"] .tpl-app-dot:nth-child(1) {
  background: #ec6a5e;
}

[data-app="email"] .tpl-app-dot:nth-child(2) {
  background: #f4bf4f;
}

[data-app="email"] .tpl-app-dot:nth-child(3) {
  background: #61c554;
}

[data-app="email"] .tpl-email-field {
  color: #5f6368;
  border-bottom: 1px solid #e8eaed;
  padding: 6px 0;
}

[data-app="email"] .tpl-msg {
  color: #202124;
  padding-top: 8px;
}

[data-app="email"] .copy-btn {
  border-color: #dadce0;
  color: #5f6368;
}

[data-app="email"] .copy-btn:hover {
  border-color: #1a73e8;
  color: #1a73e8;
}

/* WhatsApp */
[data-app="whatsapp"] {
  background: #0b141a;
  border: 1px solid #233138;
  color: #e9edef;
}

[data-app="whatsapp"] .tpl-app-bar {
  background: #202c33;
  border-bottom: 1px solid #233138;
  color: #e9edef;
}

[data-app="whatsapp"] .tpl-wa-body {
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h60v60H0z' fill='%230b141a'/%3E%3Cpath d='M30 5c1 0 2 1 2 2s-1 2-2 2-2-1-2-2 1-2 2-2zm15 15c1 0 2 1 2 2s-1 2-2 2-2-1-2-2 1-2 2-2zm-30 0c1 0 2 1 2 2s-1 2-2 2-2-1-2-2 1-2 2-2zm15 15c1 0 2 1 2 2s-1 2-2 2-2-1-2-2 1-2 2-2z' fill='%23111b21' opacity='.3'/%3E%3C/svg%3E");
}

[data-app="whatsapp"] .tpl-wa-bubble {
  background: #005c4b;
}

[data-app="whatsapp"] .tpl-msg {
  color: #e9edef;
}

[data-app="whatsapp"] .copy-btn {
  border-color: #233138;
  color: #8696a0;
}

[data-app="whatsapp"] .copy-btn:hover {
  border-color: #25d366;
  color: #25d366;
}

/* Generic */
[data-app="generic"] {
  background: var(--bg-chat);
  border: 1px solid var(--border);
  color: var(--text);
}

[data-app="generic"] .tpl-app-bar {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

[data-app="generic"] .tpl-msg {
  color: var(--text-secondary);
}

/* --- Copy button base (inside themed cards) --- */
.copy-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
}

.copy-btn.copied {
  border-color: var(--green) !important;
  color: var(--green) !important;
}

/* ====== TIPS ====== */
.tips-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .tips-grid {
    grid-template-columns: 1fr;
  }
}

.tip {
  padding: 20px;
  background: var(--bg-chat);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.tip-emoji {
  font-size: 1.4rem;
  margin-bottom: 8px;
  display: block;
}

.tip h3 {
  margin-bottom: 6px;
}

.tip p {
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ====== DIVIDER ====== */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ====== FOOTER ====== */
.footer {
  padding: 48px 0;
  text-align: center;
}

.share-buttons {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.share-btn {
  border: 1px solid var(--border);
  background: var(--bg-chat);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
}

.share-btn:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.footer-credit {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-credit a {
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.footer-credit a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ====== REVEAL ANIMATION (subtle) ====== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ====== RESPONSIVE ====== */
@media (max-width: 600px) {
  h1 {
    font-size: 2.2rem;
  }

  .hero {
    padding: 80px 0 56px;
  }

  .section {
    padding: 48px 0;
  }

  .container {
    padding: 0 16px;
  }

  .formula {
    font-size: 1rem;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}