/* ============================================
   GrubFlip — Chat & Messages Styles
   Mobile-first responsive design
   Uses brand tokens from styles.css
   ============================================ */

/* --- Messages Inbox Page --- */

.messages-inbox {
  padding-top: 0.5rem;
  padding-bottom: 5rem; /* space for bottom nav */
}

.chat-search {
  position: relative;
  margin: 0.75rem 1rem;
}

.chat-search__icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gf-neutral-400);
  pointer-events: none;
}

.chat-search__input {
  width: 100%;
  padding: 0.625rem 0.875rem 0.625rem 2.5rem;
  border: 1.5px solid var(--gf-neutral-200);
  border-radius: var(--gf-radius-full);
  background: var(--gf-bg-muted);
  font-family: var(--gf-font-body);
  font-size: 0.875rem;
  color: var(--gf-neutral-900);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.chat-search__input:focus {
  outline: none;
  border-color: var(--gf-primary);
  background: var(--gf-bg);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.chat-search__input::placeholder {
  color: var(--gf-neutral-400);
}

/* Trade Context Banner */
.trade-context-banner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 1rem 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--gf-primary-bg);
  border-radius: var(--gf-radius-md);
  font-family: var(--gf-font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gf-primary-dark);
}

.trade-context-banner svg {
  color: var(--gf-primary);
  flex-shrink: 0;
}

/* Conversation List */
.conversation-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.conversation-item {
  border-bottom: 1px solid var(--gf-neutral-100);
}

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

.conversation-item__link {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  text-decoration: none;
  color: inherit;
  transition: background 0.12s ease;
}

.conversation-item__link:active {
  background: var(--gf-neutral-50);
}

/* Avatar */
.conversation-item__avatar {
  position: relative;
  flex-shrink: 0;
}

.conversation-item__avatar img {
  width: 48px;
  height: 48px;
  border-radius: var(--gf-radius-full);
  object-fit: cover;
  background: var(--gf-neutral-200);
}

.conversation-item__online {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 12px;
  height: 12px;
  background: var(--gf-success);
  border: 2px solid var(--gf-bg);
  border-radius: var(--gf-radius-full);
}

/* Content */
.conversation-item__content {
  flex: 1;
  min-width: 0;
}

.conversation-item__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.125rem;
}

.conversation-item__name {
  font-family: var(--gf-font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gf-neutral-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conversation-item--unread .conversation-item__name {
  color: var(--gf-neutral-900);
}

.conversation-item__time {
  font-family: var(--gf-font-body);
  font-size: 0.75rem;
  color: var(--gf-neutral-400);
  flex-shrink: 0;
  margin-left: 0.5rem;
}

.conversation-item--unread .conversation-item__time {
  color: var(--gf-primary);
  font-weight: 600;
}

.conversation-item__preview {
  font-family: var(--gf-font-body);
  font-size: 0.8125rem;
  color: var(--gf-neutral-500);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.25rem;
}

.conversation-item--unread .conversation-item__preview {
  color: var(--gf-neutral-700);
  font-weight: 500;
}

.conversation-item__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.conversation-item__trade-tag {
  font-family: var(--gf-font-body);
  font-size: 0.6875rem;
  color: var(--gf-neutral-500);
  background: var(--gf-neutral-100);
  padding: 0.125rem 0.5rem;
  border-radius: var(--gf-radius-full);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.conversation-item__trade-tag--complete {
  background: var(--gf-success-bg);
  color: #1a8a4a;
}

.conversation-item__trade-tag--expired {
  background: var(--gf-neutral-100);
  color: var(--gf-neutral-400);
}

.conversation-item__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 0.375rem;
  background: var(--gf-primary);
  color: #fff;
  font-family: var(--gf-font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: var(--gf-radius-full);
  flex-shrink: 0;
}


/* ============================================
   Chat View (Individual Conversation)
   ============================================ */

.chat-view {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  height: 100vh; /* fallback */
  overflow: hidden;
}

/* Chat Header */
.chat-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--gf-bg);
  border-bottom: 1px solid var(--gf-neutral-100);
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: 56px;
}

.chat-header__back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--gf-neutral-700);
  text-decoration: none;
  border-radius: var(--gf-radius-full);
  transition: background 0.12s ease;
  flex-shrink: 0;
}

.chat-header__back:active {
  background: var(--gf-neutral-100);
}

.chat-header__user {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex: 1;
  min-width: 0;
}

.chat-header__avatar {
  position: relative;
  flex-shrink: 0;
}

.chat-header__avatar img {
  width: 36px;
  height: 36px;
  border-radius: var(--gf-radius-full);
  object-fit: cover;
  background: var(--gf-neutral-200);
}

.chat-header__online {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: var(--gf-success);
  border: 2px solid var(--gf-bg);
  border-radius: var(--gf-radius-full);
}

.chat-header__info {
  min-width: 0;
}

.chat-header__name {
  font-family: var(--gf-font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gf-neutral-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-header__status {
  font-family: var(--gf-font-body);
  font-size: 0.6875rem;
  color: var(--gf-neutral-400);
}

/* Icon button (shared) */
.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  color: var(--gf-neutral-600);
  border-radius: var(--gf-radius-full);
  cursor: pointer;
  transition: background 0.12s ease;
  flex-shrink: 0;
}

.btn-icon:active {
  background: var(--gf-neutral-100);
}

/* Trade Context Card */
.trade-context-card {
  background: var(--gf-bg);
  border-bottom: 1px solid var(--gf-neutral-100);
  padding: 0.625rem 1rem;
}

.trade-context-card__meals {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.trade-context-card__meal {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--gf-neutral-50);
  padding: 0.375rem 0.625rem;
  border-radius: var(--gf-radius-lg);
  flex: 1;
  min-width: 0;
}

.trade-context-card__emoji {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.trade-context-card__label {
  font-family: var(--gf-font-body);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gf-neutral-800);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.trade-context-card__owner {
  font-family: var(--gf-font-body);
  font-size: 0.625rem;
  color: var(--gf-neutral-400);
  margin-left: auto;
  flex-shrink: 0;
}

.trade-context-card__arrow {
  color: var(--gf-primary);
  flex-shrink: 0;
}

.trade-context-card__status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-family: var(--gf-font-body);
}

.trade-status {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.125rem 0.5rem;
  border-radius: var(--gf-radius-full);
}

.trade-status--pending {
  background: var(--gf-warning-bg);
  color: #b47d00;
}

.trade-status--accepted {
  background: var(--gf-success-bg);
  color: #1a8a4a;
}

.trade-status--confirmed {
  background: var(--gf-info-bg);
  color: #1a6fb5;
}

.trade-context-card__expires {
  font-size: 0.6875rem;
  color: var(--gf-neutral-400);
}

.trade-context-card__actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.trade-context-card__actions .btn {
  font-size: 0.75rem;
  padding: 0.375rem 0.875rem;
}

/* Button variants for chat */
.btn--secondary-outline {
  background: none;
  border: 1.5px solid var(--gf-secondary);
  color: var(--gf-secondary);
  border-radius: var(--gf-radius-full);
  font-family: var(--gf-font-body);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn--secondary-outline:active {
  background: var(--gf-secondary-bg);
}


/* ============================================
   Chat Messages Area
   ============================================ */

.chat-messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem 0.75rem 1rem;
  background: var(--gf-bg-subtle);
  -webkit-overflow-scrolling: touch;
}

/* Date Separator */
.chat-date-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.75rem 0;
}

.chat-date-separator span {
  font-family: var(--gf-font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--gf-neutral-400);
  background: var(--gf-neutral-100);
  padding: 0.1875rem 0.75rem;
  border-radius: var(--gf-radius-full);
}

/* System Messages */
.chat-system-msg {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  font-family: var(--gf-font-body);
  font-size: 0.6875rem;
  color: var(--gf-neutral-400);
  text-align: center;
  margin: 0.5rem 1rem;
  padding: 0.375rem 0;
}

.chat-system-msg svg {
  flex-shrink: 0;
}

.chat-system-msg--success {
  color: #1a8a4a;
}


/* ============================================
   Message Bubbles
   ============================================ */

.chat-msg {
  display: flex;
  align-items: flex-end;
  gap: 0.375rem;
  margin-bottom: 0.25rem;
  max-width: 85%;
}

/* Incoming */
.chat-msg--in {
  align-self: flex-start;
  margin-right: auto;
}

.chat-msg--in .chat-msg__bubble {
  background: var(--gf-bg);
  color: var(--gf-neutral-800);
  border-radius: var(--gf-radius-lg) var(--gf-radius-lg) var(--gf-radius-lg) 0.25rem;
  box-shadow: var(--gf-shadow-sm);
}

/* Outgoing */
.chat-msg--out {
  flex-direction: row-reverse;
  align-self: flex-end;
  margin-left: auto;
}

.chat-msg--out .chat-msg__bubble {
  background: var(--gf-primary);
  color: #fff;
  border-radius: var(--gf-radius-lg) var(--gf-radius-lg) 0.25rem var(--gf-radius-lg);
}

.chat-msg--out .chat-msg__time {
  color: rgba(255, 255, 255, 0.7);
}

/* Avatar */
.chat-msg__avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--gf-radius-full);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--gf-neutral-200);
}

/* Bubble */
.chat-msg__bubble {
  padding: 0.5rem 0.75rem;
  max-width: 100%;
}

.chat-msg__bubble p {
  font-family: var(--gf-font-body);
  font-size: 0.875rem;
  line-height: 1.45;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.chat-msg__time {
  display: block;
  font-family: var(--gf-font-body);
  font-size: 0.625rem;
  color: var(--gf-neutral-400);
  margin-top: 0.25rem;
  text-align: right;
}

/* Consecutive messages from same sender — tighten spacing */
.chat-msg + .chat-msg--in,
.chat-msg + .chat-msg--out {
  margin-top: 0.125rem;
}

/* Typing indicator */
.chat-msg--typing .chat-msg__bubble {
  padding: 0.625rem 0.875rem;
}

.typing-dots {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  height: 1rem;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  background: var(--gf-neutral-300);
  border-radius: var(--gf-radius-full);
  animation: typingBounce 1.4s infinite ease-in-out;
}

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

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

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-4px);
    opacity: 1;
  }
}


/* ============================================
   Chat Input Bar
   ============================================ */

.chat-input-bar {
  display: flex;
  align-items: flex-end;
  gap: 0.375rem;
  padding: 0.5rem 0.625rem;
  background: var(--gf-bg);
  border-top: 1px solid var(--gf-neutral-100);
  /* Safe area for notch phones */
  padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
}

.chat-input-bar__attach {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  color: var(--gf-neutral-500);
  cursor: pointer;
  border-radius: var(--gf-radius-full);
  flex-shrink: 0;
  transition: color 0.12s ease;
}

.chat-input-bar__attach:active {
  color: var(--gf-primary);
  background: var(--gf-primary-bg);
}

.chat-input-bar__field {
  flex: 1;
  min-width: 0;
}

.chat-input-bar__textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--gf-neutral-200);
  border-radius: 1.125rem;
  background: var(--gf-bg-muted);
  font-family: var(--gf-font-body);
  font-size: 0.875rem;
  color: var(--gf-neutral-900);
  line-height: 1.4;
  resize: none;
  max-height: 120px;
  overflow-y: auto;
  transition: border-color 0.15s ease;
}

.chat-input-bar__textarea:focus {
  outline: none;
  border-color: var(--gf-primary);
  background: var(--gf-bg);
}

.chat-input-bar__textarea::placeholder {
  color: var(--gf-neutral-400);
}

.chat-input-bar__send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--gf-primary);
  border: none;
  color: #fff;
  border-radius: var(--gf-radius-full);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.chat-input-bar__send:disabled {
  background: var(--gf-neutral-200);
  color: var(--gf-neutral-400);
  cursor: default;
}

.chat-input-bar__send:not(:disabled):active {
  background: var(--gf-primary-dark);
  transform: scale(0.94);
}


/* ============================================
   Quick Actions Panel
   ============================================ */

.chat-quick-actions {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--gf-bg);
  border-top: 1px solid var(--gf-neutral-100);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.chat-quick-action {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  background: var(--gf-neutral-50);
  border: 1.5px solid var(--gf-neutral-200);
  border-radius: var(--gf-radius-full);
  font-family: var(--gf-font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gf-neutral-700);
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.12s ease;
}

.chat-quick-action:active {
  background: var(--gf-primary-bg);
  border-color: var(--gf-primary-light);
  color: var(--gf-primary-dark);
}


/* ============================================
   Bottom Nav Badge (for unread count)
   ============================================ */

.gf-bottom-nav__badge {
  position: absolute;
  top: 2px;
  right: calc(50% - 20px);
  min-width: 16px;
  height: 16px;
  padding: 0 0.25rem;
  background: var(--gf-primary);
  color: #fff;
  font-family: var(--gf-font-body);
  font-size: 0.625rem;
  font-weight: 700;
  border-radius: var(--gf-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}


/* ============================================
   Slide-in Menu / Navigation
   ============================================ */

.slide-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.slide-menu-overlay--active {
  opacity: 1;
  visibility: visible;
}

.slide-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 80%;
  max-width: 320px;
  background: var(--gf-bg);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.slide-menu--active {
  transform: translateX(0);
}

.slide-menu__header {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--gf-neutral-100);
}

.slide-menu__user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.slide-menu__user img {
  width: 48px;
  height: 48px;
  border-radius: var(--gf-radius-full);
  object-fit: cover;
  background: var(--gf-neutral-200);
}

.slide-menu__user-name {
  font-family: var(--gf-font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gf-neutral-900);
}

.slide-menu__user-handle {
  font-family: var(--gf-font-body);
  font-size: 0.75rem;
  color: var(--gf-neutral-400);
}

.slide-menu__stats {
  display: flex;
  gap: 1rem;
  font-family: var(--gf-font-body);
  font-size: 0.75rem;
  color: var(--gf-neutral-500);
}

.slide-menu__stats strong {
  color: var(--gf-neutral-800);
  font-weight: 700;
}

.slide-menu__nav {
  padding: 0.5rem 0;
  flex: 1;
}

.slide-menu__link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  text-decoration: none;
  font-family: var(--gf-font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gf-neutral-700);
  transition: background 0.12s ease;
}

.slide-menu__link:active {
  background: var(--gf-neutral-50);
}

.slide-menu__link--active {
  color: var(--gf-primary);
  font-weight: 600;
  background: var(--gf-primary-bg);
}

.slide-menu__link svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.slide-menu__divider {
  height: 1px;
  background: var(--gf-neutral-100);
  margin: 0.375rem 0;
}

.slide-menu__footer {
  padding: 1rem;
  border-top: 1px solid var(--gf-neutral-100);
}

.slide-menu__footer-link {
  font-family: var(--gf-font-body);
  font-size: 0.8125rem;
  color: var(--gf-neutral-400);
  text-decoration: none;
}


/* ============================================
   Responsive — Tablet & Desktop
   ============================================ */

@media (min-width: 768px) {
  .chat-msg {
    max-width: 65%;
  }

  .messages-inbox .container {
    max-width: 640px;
    margin: 0 auto;
  }

  .chat-header {
    padding: 0.5rem 1.5rem;
  }

  .chat-messages {
    padding: 1rem 1.5rem;
  }

  .chat-input-bar {
    padding: 0.625rem 1.5rem;
  }

  .slide-menu {
    max-width: 360px;
  }

  .conversation-item__trade-tag {
    max-width: 280px;
  }
}

@media (min-width: 1024px) {
  .chat-msg {
    max-width: 50%;
  }

  .messages-inbox .container {
    max-width: 720px;
  }
}