/* ============================================
   Sanadana Herbal AI Practitioner - Chatbot
   Theme: Herbal / Green Natural Brand
   ============================================ */

:root {
  --chat-primary: #2e7d32;
  --chat-primary-dark: #1b5e20;
  --chat-primary-light: #4caf50;
  --chat-bg: #f1f8e9;
  --chat-surface: #ffffff;
  --chat-user-bubble: #2e7d32;
  --chat-bot-bubble: #e8f5e9;
  --chat-text: #1b5e20;
  --chat-text-muted: #558b2f;
  --chat-shadow: 0 4px 20px rgba(46, 125, 50, 0.15);
  --chat-radius: 15px;
  --chat-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Container - fixed bottom right */
.sanadana-chatbot {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99999;
  font-family: var(--chat-font);
  font-size: 15px;
  box-sizing: border-box;
}

/* Floating trigger - same theme as Order on WhatsApp (#00bf63, #508456) */
.sanadana-chatbot__trigger {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: linear-gradient(#00bf63, #508456);
  box-shadow: 0 4px 20px rgba(0, 191, 99, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.sanadana-chatbot__trigger:hover {
  background: linear-gradient(#508456, #00bf63);
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(0, 191, 99, 0.4);
}

.sanadana-chatbot__trigger svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

/* Chat window */
.sanadana-chatbot__window {
  position: absolute;
  bottom: 76px;
  right: 0;
  width: 400px;
  max-width: calc(100vw - 32px);
  height: 520px;
  max-height: calc(100vh - 120px);
  background: var(--chat-surface);
  border-radius: var(--chat-radius);
  box-shadow: var(--chat-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.9) translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.sanadana-chatbot__window.is-open {
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateY(0);
}

/* Header */
.sanadana-chatbot__header {
  background: linear-gradient(135deg, var(--chat-primary) 0%, var(--chat-primary-dark) 100%);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.sanadana-chatbot__title {
  font-weight: 600;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sanadana-chatbot__close {
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.sanadana-chatbot__close:hover {
  background: rgba(255,255,255,0.3);
}

/* Messages area */
.sanadana-chatbot__messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: var(--chat-bg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sanadana-chatbot__message {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  animation: messageIn 0.25s ease;
}

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

.sanadana-chatbot__message--bot {
  align-self: flex-start;
  background: var(--chat-bot-bubble);
  color: var(--chat-text);
  border-bottom-left-radius: 4px;
}

.sanadana-chatbot__message--user {
  align-self: flex-end;
  background: var(--chat-user-bubble);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.sanadana-chatbot__message--bot a {
  color: var(--chat-primary);
  font-weight: 600;
  text-decoration: none;
}

.sanadana-chatbot__message--bot a:hover {
  text-decoration: underline;
}

/* Typing indicator */
.sanadana-chatbot__typing {
  align-self: flex-start;
  background: var(--chat-bot-bubble);
  padding: 12px 16px;
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  display: flex;
  gap: 4px;
  align-items: center;
}

.sanadana-chatbot__typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--chat-text-muted);
  animation: typingBounce 1.2s ease-in-out infinite;
}

.sanadana-chatbot__typing span:nth-child(2) { animation-delay: 0.15s; }
.sanadana-chatbot__typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

/* Input area */
.sanadana-chatbot__input-wrap {
  padding: 12px 16px;
  background: var(--chat-surface);
  border-top: 1px solid rgba(46, 125, 50, 0.1);
  flex-shrink: 0;
}

.sanadana-chatbot__form {
  display: flex;
  gap: 8px;
  align-items: center;
}

.sanadana-chatbot__input {
  flex: 1;
  border: 1px solid #c8e6c9;
  border-radius: 22px;
  padding: 10px 16px;
  font-size: 14px;
  font-family: var(--chat-font);
  color: var(--chat-text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.sanadana-chatbot__input::placeholder {
  color: #81c784;
}

.sanadana-chatbot__input:focus {
  border-color: var(--chat-primary);
  box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.2);
}

.sanadana-chatbot__send {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--chat-primary) 0%, var(--chat-primary-dark) 100%);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s, opacity 0.2s;
}

.sanadana-chatbot__send:hover {
  transform: scale(1.05);
}

.sanadana-chatbot__send:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.sanadana-chatbot__send svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Product list in message */
.sanadana-chatbot__product-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.sanadana-chatbot__product-list li {
  margin-bottom: 8px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.7);
  border-radius: 8px;
  font-size: 13px;
}

.sanadana-chatbot__product-list li:last-child {
  margin-bottom: 0;
}

/* ========== 100% MOBILE RESPONSIVE ========== */

/* Base: prevent overflow and enable touch scrolling */
.sanadana-chatbot__window {
  -webkit-overflow-scrolling: touch;
  touch-action: manipulation;
}

.sanadana-chatbot__messages {
  -webkit-overflow-scrolling: touch;
  min-height: 0; /* flex scroll fix */
}

.sanadana-chatbot__message {
  word-break: break-word;
  overflow-wrap: break-word;
}

.sanadana-chatbot__message--bot a {
  word-break: break-all;
}

/* Small phones (portrait) - full width, full height */
@media (max-width: 480px) {
  .sanadana-chatbot {
    bottom: 16px;
    right: 16px;
  }

  .sanadana-chatbot__trigger {
    width: 56px;
    height: 56px;
  }

  .sanadana-chatbot__trigger svg {
    width: 26px;
    height: 26px;
  }

  /* Full-width dialog: use fixed so it can span viewport */
  .sanadana-chatbot__window {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 100vw;
    height: 100%;
    max-height: 100vh;
    min-height: 100vh;
    border-radius: 0;
    transform: translateY(100%);
    transition: transform 0.3s ease, opacity 0.25s ease, visibility 0.25s;
    padding-bottom: env(safe-area-inset-bottom, 0);
  }

  .sanadana-chatbot__window.is-open {
    transform: translateY(0);
  }

  .sanadana-chatbot__header {
    padding: 12px 14px;
    padding-top: max(12px, env(safe-area-inset-top));
    min-height: 48px;
  }

  .sanadana-chatbot__title {
    font-size: 15px;
    flex: 1;
    min-width: 0;
  }

  .sanadana-chatbot__close {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    font-size: 22px;
    flex-shrink: 0;
  }

  .sanadana-chatbot__messages {
    padding: 12px;
    gap: 10px;
  }

  .sanadana-chatbot__message {
    max-width: 92%;
    padding: 10px 12px;
    font-size: 14px;
  }

  .sanadana-chatbot__input-wrap {
    padding: 10px 12px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0));
  }

  .sanadana-chatbot__form {
    gap: 6px;
  }

  .sanadana-chatbot__input {
    padding: 12px 14px;
    font-size: 16px; /* prevents iOS zoom on focus */
    min-height: 44px;
  }

  .sanadana-chatbot__send {
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
  }

  .sanadana-chatbot__send svg {
    width: 22px;
    height: 22px;
  }

  .sanadana-chatbot__product-list li {
    font-size: 13px;
    padding: 10px 12px;
  }
}

/* Extra small (e.g. iPhone SE, narrow) */
@media (max-width: 360px) {
  .sanadana-chatbot {
    bottom: 12px;
    right: 12px;
  }

  .sanadana-chatbot__title {
    font-size: 14px;
  }

  .sanadana-chatbot__message {
    font-size: 13px;
  }
}

/* Landscape on small screens */
@media (max-height: 500px) and (orientation: landscape) {
  .sanadana-chatbot__window {
    height: 90vh;
    max-height: 90vh;
    bottom: 64px;
  }
}

/* Tablets and medium phones (e.g. 481px–768px) */
@media (min-width: 481px) and (max-width: 768px) {
  .sanadana-chatbot {
    bottom: 20px;
    right: 20px;
  }

  .sanadana-chatbot__window {
    width: min(400px, calc(100vw - 40px));
    max-width: calc(100vw - 40px);
    height: min(520px, calc(100vh - 100px));
    max-height: calc(100vh - 100px);
    bottom: 76px;
  }

  .sanadana-chatbot__message {
    max-width: 88%;
  }

  .sanadana-chatbot__input {
    font-size: 16px;
  }
}