/* ===== LUKOIL Design System ===== */
/* Primary red: #C8102E  |  Dark: #1A1A1A  |  Warm gray bg: #F2EFE9 */

:root {
  --luk-red:        #C8102E;
  --luk-red-dark:   #A00E24;
  --luk-red-light:  #E8314E;
  --luk-dark:       #1A1A1A;
  --luk-dark-2:     #2C2C2C;
  --luk-dark-3:     #3D3D3D;
  --luk-bg:         #F2EFE9;
  --luk-bg-2:       #EAE6DF;
  --luk-white:      #FFFFFF;
  --luk-border:     #DDD8CF;
  --luk-muted:      #8A8078;
  --luk-text:       #1A1A1A;
  --luk-shadow:     0 2px 12px rgba(0,0,0,0.10);
  --luk-shadow-sm:  0 1px 4px rgba(0,0,0,0.07);
  --luk-radius:     14px;
  --luk-radius-sm:  8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'PT Sans', Arial, sans-serif;
  background: var(--luk-bg);
  color: var(--luk-text);
  transition: background 0.25s, color 0.25s;
}

/* === Layout === */
.app {
  max-width: 900px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 16px;
}

/* === Topbar === */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 0;
  background: var(--luk-white);
  border: 1px solid var(--luk-border);
  border-radius: var(--luk-radius);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--luk-shadow);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0;
}

/* Логотип ЛУКОЙЛ */
.lukoil-logo {
  background: transparent;
  padding: 0 14px;
  height: 100%;
  display: flex;
  align-items: center;
  min-height: 72px;
  user-select: none;
  flex-shrink: 0;
}

.lukoil-logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
}

.topbar-titles {
  padding: 14px 18px;
}

.topbar h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--luk-dark);
  line-height: 1.2;
}

.subtitle {
  margin: 3px 0 0;
  color: var(--luk-muted);
  font-size: 13px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-right: 16px;
}

/* === Status === */
.status-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--luk-muted);
  font-size: 13px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #4CAF7D;
  flex-shrink: 0;
}

.status-dot.listening {
  background: var(--luk-red-light);
  box-shadow: 0 0 0 5px rgba(200,16,46,0.18);
}

.status-dot.processing {
  background: #E8A020;
}

.status-dot.speaking {
  background: #4A9EE0;
}

.status-dot.error {
  background: var(--luk-red);
}

/* === Main layout === */
.layout-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* === Chat === */
.chat {
  overflow-y: auto;
  background: var(--luk-white);
  border: 1px solid var(--luk-border);
  border-radius: var(--luk-radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--luk-shadow-sm);
}

.message {
  display: flex;
}

.message.user {
  justify-content: flex-end;
}

.message.assistant {
  justify-content: flex-start;
}

.bubble {
  max-width: 80%;
  padding: 11px 15px;
  border-radius: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 15px;
}

.message.user .bubble {
  background: var(--luk-red);
  color: #FFFFFF;
  border-bottom-right-radius: 4px;
}

.message.assistant .bubble {
  background: var(--luk-bg);
  color: var(--luk-text);
  border: 1px solid var(--luk-border);
  border-bottom-left-radius: 4px;
}

/* === Composer / Footer === */
.composer {
  margin-top: 14px;
  padding: 14px 16px;
  background: var(--luk-white);
  border: 1px solid var(--luk-border);
  border-radius: var(--luk-radius);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  box-shadow: var(--luk-shadow-sm);
}

.start-btn {
  flex: 1 1 auto;
  border: 0;
  border-radius: var(--luk-radius-sm);
  padding: 14px 20px;
  font-size: 17px;
  font-weight: 700;
  font-family: 'PT Sans', Arial, sans-serif;
  cursor: pointer;
  background: var(--luk-red);
  color: #FFFFFF;
  letter-spacing: 0.3px;
  transition: background 0.2s, transform 0.1s;
}

.start-btn:hover {
  background: var(--luk-red-dark);
}

.start-btn:active {
  transform: scale(0.985);
}

.start-btn.listening {
  background: #9B1020;
}

.start-btn.processing,
.start-btn.speaking {
  background: #7A7068;
  cursor: not-allowed;
}

.hint {
  margin-top: 0;
  color: var(--luk-muted);
  font-size: 13px;
  text-align: left;
  flex: 2 1 100%;
  line-height: 1.4;
}

/* === Orders panel === */
.orders-panel {
  background: var(--luk-white);
  border: 1px solid var(--luk-border);
  border-radius: var(--luk-radius);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
  box-shadow: var(--luk-shadow-sm);
}

.orders-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.orders-header h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--luk-red);
}

.orders-header-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
}

.orders-refresh,
.orders-collapse,
.orders-toggle {
  border-radius: 999px;
  border: 1px solid var(--luk-border);
  background: transparent;
  color: var(--luk-text);
  font-family: 'PT Sans', Arial, sans-serif;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.orders-refresh:hover,
.orders-collapse:hover,
.orders-toggle:hover {
  background: var(--luk-bg);
  border-color: var(--luk-red);
  color: var(--luk-red);
}

.orders-collapse {
  padding: 3px 10px;
  font-size: 14px;
}

.orders-toggle {
  flex: 0 0 auto;
  padding: 8px 16px;
  font-size: 13px;
}

/* Orders list */
.orders-list {
  max-height: 200px;
  overflow-y: auto;
  margin: 4px 0;
  padding-right: 4px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.orders-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: var(--luk-radius-sm);
  background: var(--luk-bg);
  border: 1px solid var(--luk-border);
  color: var(--luk-text);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.orders-item:hover {
  border-color: var(--luk-red);
  background: #FDF0F2;
}

.orders-item-main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.orders-item-code {
  font-weight: 700;
}

.orders-item-date {
  font-size: 11px;
  color: var(--luk-muted);
}

.orders-item-count {
  color: var(--luk-muted);
  font-size: 12px;
}

/* Orders details */
.orders-details {
  border-radius: var(--luk-radius-sm);
  background: var(--luk-bg);
  border: 1px solid var(--luk-border);
  padding: 8px 10px;
  color: var(--luk-text);
  font-size: 13px;
}

.orders-empty {
  margin: 0;
  color: var(--luk-muted);
}

.orders-json {
  margin: 0;
  padding: 10px 12px;
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.4;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  max-height: 200px;
  overflow-y: auto;
  border-radius: var(--luk-radius-sm);
  background: #1A1210;
  color: #E8D8C8;
}

.orders-json {
  background: #F5F0E8;
  color: #2A2018;
}

/* === Nav link (used in topbar) === */
.topbar-nav-link {
  border-radius: 999px;
  border: 1px solid var(--luk-border);
  background: transparent;
  color: var(--luk-text);
  font-family: 'PT Sans', Arial, sans-serif;
  padding: 5px 14px;
  font-size: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}
.topbar-nav-link:hover {
  background: var(--luk-bg);
  border-color: var(--luk-red);
  color: var(--luk-red);
}

/* === Responsive === */
@media (max-width: 640px) {
  .app {
    padding: 8px;
  }

  .topbar,
  .composer,
  .chat,
  .orders-panel {
    border-radius: 12px;
  }

  .lukoil-logo {
    min-height: 60px;
    padding: 0 10px;
  }

  .lukoil-logo-img {
    height: 34px;
  }

  .topbar-titles {
    padding: 10px 12px;
  }

  .topbar h1 {
    font-size: 17px;
  }

  .subtitle {
    font-size: 12px;
  }

  .topbar-right {
    flex-direction: column-reverse;
    align-items: flex-end;
    gap: 6px;
    padding-right: 10px;
  }

  .status-wrap {
    font-size: 12px;
  }

  .chat {
    padding: 10px;
  }

  .layout-main {
    gap: 10px;
  }

  .bubble {
    max-width: 94%;
    font-size: 15px;
  }

  .composer {
    padding: 12px 10px;
    margin-top: 8px;
    flex-direction: column;
    align-items: stretch;
  }

  .start-btn {
    font-size: 16px;
    padding: 14px 16px;
  }

  .hint {
    font-size: 12px;
    order: 2;
  }

  .orders-toggle {
    width: 100%;
    text-align: center;
    order: 3;
  }

  .orders-list {
    max-height: 140px;
  }
}