/* ================================================================ */
/* CORPLLM UI - SCSS-style CSS with Tailwind + Custom Components   */
/* ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap');

/* ─────────────────────────────────────────────────────────────── */
/* Design System Variables (SCSS-style)                             */
/* ─────────────────────────────────────────────────────────────── */

:root {
  color-scheme: light;
  
  /* Palette */
  --bg: #f4f7fb;
  --bg-soft: rgba(255, 255, 255, 0.82);
  --card: rgba(255, 255, 255, 0.92);
  --card-border: rgba(33, 63, 104, 0.12);
  --text: #112037;
  --muted: #6f7f98;
  --accent: #2d6cff;
  --accent-strong: #6a88ff;
  --accent-warm: #f9a826;
  --danger: #e15241;
  
  /* Shadows */
  --shadow: 0 24px 70px rgba(30, 58, 110, 0.12);
  --shadow-sm: 0 4px 12px rgba(30, 58, 110, 0.08);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 0.8rem;
  --spacing-lg: 1rem;
  --spacing-xl: 1.25rem;
  --spacing-2xl: 1.5rem;
  
  /* Border Radius */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-fast: 140ms ease;
  --transition-base: 220ms ease;
  --transition-slow: 280ms ease;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(45, 108, 255, 0.10), transparent 34%),
    radial-gradient(circle at 88% 14%, rgba(45, 108, 255, 0.07), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, #eef3fb 100%);
  overflow: hidden;
}

body.is-context-menu-open {
  overflow: hidden;
  overscroll-behavior: none;
}

h1,
h2 {
  font-family: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
}

/* ─────────────────────────────────────────────────────────────── */
/* Keyframe Animations                                              */
/* ─────────────────────────────────────────────────────────────── */

@keyframes drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(0, -18px, 0) scale(1.03); }
}

@keyframes rise {
  from { transform: translateY(8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes pulse {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.35; }
  40% { transform: translateY(-4px); opacity: 1; }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(2px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes slideOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(-10px);
  }
}

@keyframes statusPulse {
  0%, 100% {
    opacity: 0.72;
    transform: translateY(0);
  }

  50% {
    opacity: 1;
    transform: translateY(-1px);
  }
}


/* ─────────────────────────────────────────────────────────────── */
/* Background Elements                                              */
/* ─────────────────────────────────────────────────────────────── */

.background-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(18px);
  pointer-events: none;
  opacity: 0.65;
  animation: drift 16s ease-in-out infinite;
}

.background-orb--one {
  width: 24rem;
  height: 24rem;
  left: -6rem;
  top: 12vh;
  background: rgba(124, 140, 255, 0.22);
}

.background-orb--two {
  width: 18rem;
  height: 18rem;
  right: -4rem;
  bottom: 4vh;
  background: rgba(94, 234, 212, 0.18);
  animation-delay: -6s;
}

/* ─────────────────────────────────────────────────────────────── */
/* Base Components                                                  */
/* ─────────────────────────────────────────────────────────────── */

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 255, 0.96));
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.app-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr) 330px;
  gap: 1rem;
  height: 100vh;
  min-height: 0;
  padding: 0.75rem;
  overflow: hidden;
}

.left-rail,
.right-rail,
.workspace {
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.left-rail {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.right-rail {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 0;
}

.log-card {
  min-height: 0;
  overflow: hidden;
}

.workspace {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.workspace-topbar {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
}

.chat-panel {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  padding: 1.15rem;
  overflow: hidden;
}

.brand-card,
.chats-card,
.log-card {
  padding: 1rem;
}

.brand-card {
  display: grid;
  flex-shrink: 0;
  gap: 1rem;
}

.brand-card__logos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 0.9rem;
  align-items: stretch;
}

.brand-card__logo {
  width: 100%;
  height: 4.15rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid rgba(33, 63, 104, 0.10);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  object-fit: contain;
  box-shadow: 0 8px 18px rgba(30, 58, 110, 0.08);
}

.new-chat-button {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 16px 28px rgba(45, 108, 255, 0.18);
}

.new-chat-button:hover {
  transform: translateY(-1px);
}

.chats-card {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 0;
  overflow: hidden;
}

/* Make the chats list scrollable and constrained to the left rail height */
.chats-card {
  display: flex;
  flex-direction: column;
}

.chats-card .chat-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
  padding: 0.5rem 0;
}

.left-rail.is-context-menu-open,
.chat-list.is-context-menu-open {
  overflow: hidden;
  overscroll-behavior: none;
}

.section-heading--compact h2 {
  font-size: 1.05rem;
}

.eyebrow--dark {
  color: var(--accent);
}

.chat-list {
  display: grid;
  gap: 0.5rem;
}

.chat-list__empty {
  padding: 1rem;
  border-radius: 14px;
  background: rgba(45, 108, 255, 0.06);
  color: var(--muted);
  text-align: center;
}

/* ─────────────────────────────────────────────────────────────── */
/* Chat List Item Updates                                            */
/* ─────────────────────────────────────────────────────────────── */

.chat-list__item {
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem 0.95rem;
  border: 1px solid transparent;
  border-radius: 16px;
  background: #fff;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.chat-list__item.is-pinned {
  border-color: rgba(249, 168, 38, 0.24);
  box-shadow: 0 10px 24px rgba(249, 168, 38, 0.10), var(--shadow-sm);
}

.chat-list__title-row {
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
  min-width: 0;
}

.chat-list__item:hover,
.chat-list__item.is-active {
  border-color: rgba(45, 108, 255, 0.22);
  background: linear-gradient(180deg, rgba(45, 108, 255, 0.10), rgba(45, 108, 255, 0.04));
}

.chat-list__content {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
  flex: 1;
}

.chat-list__menu-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.2rem;
  cursor: pointer;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  opacity: 1;
}

.chat-list__item:hover .chat-list__menu-btn {
  opacity: 1;
}

.chat-list__menu-btn:hover {
  background: rgba(45, 108, 255, 0.12);
  color: var(--accent);
}

.chat-list__menu-btn:active {
  background: rgba(45, 108, 255, 0.22);
}

.chat-list__pin-badge {
  flex-shrink: 0;
  font-size: 0.9rem;
  line-height: 1;
  margin-top: 0.1rem;
}

/* ─────────────────────────────────────────────────────────────── */
/* Context Menu Component                                           */
/* ─────────────────────────────────────────────────────────────── */

.context-menu {
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(33, 63, 104, 0.10);
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(30, 58, 110, 0.18);
  backdrop-filter: blur(20px);
  z-index: 2500;
  min-width: 230px;
  padding: 0.45rem;
  opacity: 0;
  transform-origin: top left;
  transform: scale(0.96) translateY(-2px);
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  will-change: transform, opacity;
}

.context-menu.is-visible {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

.context-menu.drop-up {
  transform-origin: bottom left;
}

.context-menu.drop-up.is-visible {
  transform: scale(1) translateY(0);
}

.context-menu__item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: none;
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  text-align: left;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.context-menu__item:first-child {
  border-radius: 12px;
}

.context-menu__item:last-child {
  border-radius: 12px;
}

.context-menu__item:hover {
  background: rgba(45, 108, 255, 0.10);
  color: var(--accent);
}

.context-menu__item:active {
  background: rgba(45, 108, 255, 0.18);
}

.context-menu__item--danger:hover {
  background: rgba(225, 82, 65, 0.12);
  color: var(--danger);
}

.context-menu__item--danger:active {
  background: rgba(225, 82, 65, 0.20);
}

/* ─────────────────────────────────────────────────────────────── */
/* Modal Overlay & Dialog Components                                */
/* ─────────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 255, 0.96));
  border: 1px solid rgba(33, 63, 104, 0.12);
  border-radius: 20px;
  box-shadow: 0 24px 70px rgba(30, 58, 110, 0.24);
  backdrop-filter: blur(18px);
  padding: 2rem;
  max-width: 420px;
  width: 90%;
  animation: rise var(--transition-base);
}

.modal-content--rename {
  max-width: 480px;
}

.modal-title {
  margin: 0 0 0.75rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}

.modal-message {
  margin: 0 0 1.5rem;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.modal-footer {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.modal-btn {
  padding: 0.8rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-btn--secondary {
  background: rgba(45, 108, 255, 0.08);
  color: var(--accent);
  border-color: rgba(45, 108, 255, 0.18);
}

.modal-btn--secondary:hover {
  background: rgba(45, 108, 255, 0.14);
  border-color: rgba(45, 108, 255, 0.32);
}

.modal-btn--secondary:active {
  background: rgba(45, 108, 255, 0.22);
}

.modal-btn--danger {
  background: linear-gradient(135deg, var(--danger), #f56a59);
  color: white;
  box-shadow: 0 8px 18px rgba(225, 82, 65, 0.22);
}

.modal-btn--danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(225, 82, 65, 0.28);
}

.modal-btn--danger:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(225, 82, 65, 0.18);
}

.modal-btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(45, 108, 255, 0.18);
}

.modal-btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(45, 108, 255, 0.24);
}

.modal-btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 14px rgba(45, 108, 255, 0.18);
}

.rename-chat-form {
  display: grid;
  gap: 0.9rem;
}

.rename-chat-form__label {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
}

.rename-chat-form__input {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(33, 63, 104, 0.14);
  border-radius: 14px;
  background: #fff;
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.rename-chat-form__input:focus {
  border-color: rgba(45, 108, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(45, 108, 255, 0.10);
}

/* ─────────────────────────────────────────────────────────────── */
/* Toast Notification Component                                     */
/* ─────────────────────────────────────────────────────────────── */

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  padding: 0.95rem 1.25rem;
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(30, 58, 110, 0.16);
  backdrop-filter: blur(12px);
  font-weight: 500;
  opacity: 0;
  transform: translateX(400px);
  transition: all var(--transition-base);
  pointer-events: auto;
  white-space: nowrap;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.toast--info {
  background: linear-gradient(135deg, rgba(45, 108, 255, 0.95), rgba(106, 136, 255, 0.85));
  color: white;
}

.toast--success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.95), rgba(52, 211, 153, 0.85));
  color: white;
}

.toast--error {
  background: linear-gradient(135deg, rgba(225, 82, 65, 0.95), rgba(245, 106, 89, 0.85));
  color: white;
}



.chat-list__title {
  font-weight: 700;
}

.chat-list__meta {
  color: var(--muted);
  font-size: 0.82rem;
}

.status-pill--light {
  color: var(--accent);
  background: rgba(45, 108, 255, 0.08);
  border-color: rgba(45, 108, 255, 0.18);
}

.workspace-topbar h2 {
  font-size: 1.35rem;
}

.chat-panel {
  gap: 1rem;
}

.messages {
  margin-bottom: 0;
  padding: 0;
}

.message--user {
  background: linear-gradient(135deg, rgba(45, 108, 255, 0.95), rgba(106, 136, 255, 0.85));
}

.message--assistant {
  background: #ffffff;
  border-color: rgba(45, 108, 255, 0.12);
  box-shadow: var(--shadow-sm);
}



/* ─────────────────────────────────────────────────────────────── */
/* Typography Components                                            */
/* ─────────────────────────────────────────────────────────────── */

.hero {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.95;
}

h2 {
  margin: 0;
  font-size: 1.2rem;
}

.subtitle {
  max-width: 62ch;
  margin: 0.75rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.status-pill {
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(94, 234, 212, 0.25);
  background: rgba(8, 20, 36, 0.75);
  color: var(--accent);
  font-size: 0.88rem;
  white-space: nowrap;
}

.section-heading h2 {
  margin: 0;
}


/* ─────────────────────────────────────────────────────────────── */
/* Chat & Message Components                                        */
/* ─────────────────────────────────────────────────────────────── */

.messages {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.8rem;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
  padding: 0.5rem 0.15rem 1rem;
  margin-bottom: 1rem;
}

.message {
  max-width: min(78%, 56rem);
  padding: 0.95rem 1rem;
  border-radius: var(--radius-lg);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  animation: rise var(--transition-fast);
}

.message-attachment {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  max-width: 100%;
  margin-bottom: 0.5rem;
  padding: 0.42rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(15, 35, 80, 0.18);
  color: inherit;
  font-size: 0.84rem;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-attachment span:last-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message--user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(124, 140, 255, 0.95), rgba(90, 99, 255, 0.82));
  color: white;
  border-bottom-right-radius: 6px;
}

.message--assistant {
  align-self: flex-start;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 255, 0.96));
  color: var(--text);
  border: 1px solid rgba(33, 63, 104, 0.08);
  box-shadow: var(--shadow-sm);
  border-bottom-left-radius: 6px;
}

.message--pending {
  opacity: 0.78;
  border-style: dashed;
}


/* ─────────────────────────────────────────────────────────────── */
/* Composer & Input Components                                      */
/* ─────────────────────────────────────────────────────────────── */

.composer {
  display: grid;
  flex-shrink: 0;
  gap: 0.65rem;
  padding-top: 0.25rem;
  border-top: 1px solid rgba(33, 63, 104, 0.10);
}

.attached-file-chip {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(45, 108, 255, 0.18);
  border-radius: 999px;
  background: rgba(45, 108, 255, 0.08);
  color: var(--text);
  box-shadow: 0 8px 18px rgba(30, 58, 110, 0.08);
}

.attached-file-chip[hidden] {
  display: none;
}

.attached-file-chip__icon {
  flex-shrink: 0;
}

.attached-file-chip__name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

.attached-file-chip__remove {
  flex-shrink: 0;
  width: 1.7rem;
  height: 1.7rem;
  border: 0;
  border-radius: 999px;
  background: rgba(45, 108, 255, 0.12);
  color: var(--accent);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.attached-file-chip__remove:hover {
  background: rgba(45, 108, 255, 0.18);
}

.composer-input-shell {
  position: relative;
  min-height: 58px;
}

.composer-attach-button {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  z-index: 2;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: rgba(45, 108, 255, 0.08);
  color: var(--text);
  font-size: 1.45rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transform: translateY(-50%);
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.composer-attach-button:hover,
.composer-attach-button.is-active {
  background: rgba(45, 108, 255, 0.14);
  color: var(--accent);
}

.composer-attach-button.is-active {
  transform: translateY(-50%) rotate(45deg);
}

.composer-attach-menu {
  position: absolute;
  left: 0.25rem;
  bottom: calc(100% + 0.55rem);
  z-index: 2600;
  min-width: 210px;
  padding: 0.4rem;
  border: 1px solid rgba(33, 63, 104, 0.10);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 44px rgba(30, 58, 110, 0.18);
  backdrop-filter: blur(20px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px) scale(0.98);
  transform-origin: bottom left;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.composer-attach-menu.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.composer-attach-menu__item {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.composer-attach-menu__item:hover {
  background: rgba(45, 108, 255, 0.10);
  color: var(--accent);
}

.composer-file-input {
  display: none;
}

.model-picker {
  display: grid;
  gap: 0.5rem;
}

.model-picker--inline {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  max-width: 100%;
}

.model-picker__label {
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

.model-select-shell {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.composer textarea {
  width: 100%;
  min-height: 58px;
  max-height: 180px;
  resize: none;
  overflow-y: auto;
  padding: 1.05rem 1.05rem 0.95rem 3.45rem;
  border: 1px solid rgba(33, 63, 104, 0.14);
  border-radius: 28px;
  background: #fff;
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.composer textarea:focus {
  border-color: rgba(45, 108, 255, 0.55);
  box-shadow: 0 0 0 4px rgba(45, 108, 255, 0.10);
}

.composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.composer-footer small {
  color: var(--muted);
}

.model-summary--hidden {
  display: none;
}

.model-select {
  min-width: 10rem;
  padding: 0.7rem 2.35rem 0.7rem 0.95rem;
  border: 1px solid rgba(33, 63, 104, 0.14);
  border-radius: 999px;
  background: linear-gradient(180deg, #ffffff 0%, #f3f5fb 100%);
  color: #0b1220;
  font: inherit;
  outline: none;
  appearance: none;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

.model-select:focus {
  border-color: rgba(45, 108, 255, 0.7);
  box-shadow: 0 0 0 4px rgba(45, 108, 255, 0.14), 0 8px 18px rgba(0, 0, 0, 0.08);
}

.model-select-shell__arrow {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-60%) rotate(45deg);
  pointer-events: none;
}

.model-select option {
  color: #0b1220;
}

#sendButton {
  padding: 0.9rem 1.25rem;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #03111c;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
}

#sendButton:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 30px rgba(124, 140, 255, 0.22);
}

#sendButton:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}



/* ─────────────────────────────────────────────────────────────── */
/* Log Window Component                                             */
/* ─────────────────────────────────────────────────────────────── */

.log-window {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 220px;
  max-height: none;
  overflow-y: auto;
  overflow-x: hidden;
  margin-top: 0.5rem;
}

/* ─────────────────────────────────────────────────────────────── */
/* Log Entry Component - with SCSS-style nesting comment structure  */
/* ─────────────────────────────────────────────────────────────── */

/* Base log entry */
.log-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid rgba(33, 63, 104, 0.12);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow),
    margin var(--transition-slow),
    padding var(--transition-slow);
  overflow: visible;
  animation: slideIn 220ms ease;
}

.log-entry.is-entering {
  animation: slideIn 220ms ease;
}

/* When log entry is active (being processed) */
.log-entry.is-active {
  border-color: rgba(45, 108, 255, 0.32);
  box-shadow: inset 0 0 0 1px rgba(45, 108, 255, 0.08);
}

.log-entry.is-active .log-entry-status {
  animation: statusPulse 1.2s ease-in-out infinite;
}

/* Exiting animation */
.log-entry.is-exiting {
  animation: slideOut 240ms ease forwards;
}

/* Log entry header (source label + status) */
.log-entry-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.65rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.log-entry-label {
  white-space: nowrap;
  flex-shrink: 0;
}

.log-entry-status {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.2rem;
  text-align: right;
  flex-shrink: 0;
  color: var(--accent);
}

.log-entry-status-label {
  white-space: nowrap;
}

.log-entry-timer {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  font-variant-numeric: tabular-nums;
}

/* Log entry message (contains formatted log + typing indicator) */
.log-entry-message {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
  overflow: hidden;
  line-height: 1.55;
  color: var(--text);
  min-width: 0;
}

/* Formatted log text with line clamping */
.log-text {
  display: block;
  overflow: visible;
  word-break: break-word;
  flex: 1;
  min-width: 0;
  white-space: pre-wrap;
}

/* Typing indicator dots */
.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 0.18rem;
  margin-left: 0.3rem;
  flex-shrink: 0;
}

.log-entry-status {
  animation: statusPulse 1.2s ease-in-out infinite;
}

.typing-dots i {
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.35;
  animation: pulse 1s infinite ease-in-out;
}

.typing-dots i:nth-child(2) {
  animation-delay: 0.14s;
}

.typing-dots i:nth-child(3) {
  animation-delay: 0.28s;
}


/* ─────────────────────────────────────────────────────────────── */
/* Responsive Breakpoints (Mobile-first approach)                  */
/* ─────────────────────────────────────────────────────────────── */

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .left-rail,
  .right-rail,
  .workspace {
    height: auto;
    min-height: auto;
    overflow: visible;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 0.8rem;
  }

  .workspace-topbar,
  .brand-card,
  .chats-card,
  .log-card,
  .chat-panel {
    padding: 1rem;
  }

  .hero,
  .composer-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .model-picker--inline {
    width: 100%;
    justify-content: flex-start;
  }

  .model-select-shell {
    width: 100%;
  }

  .model-select {
    width: 100%;
    min-width: 0;
  }

  .message {
    max-width: 92%;
  }

  .brand-card__logos {
    gap: 0.5rem;
  }

  .brand-card__logo {
    height: 3.5rem;
    padding: 0.35rem 0.45rem;
    border-radius: 14px;
  }

  #sendButton {
    width: 100%;
  }
}

/* Стилізація посилань на завантаження документів під кнопку */
.message a[download] {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.65rem 1.15rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(45, 108, 255, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.message a[download]:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(45, 108, 255, 0.3);
}

.message a[download]::before {
  content: "📥";
  font-size: 1.1rem;
}

/* ─────────────────────────────────────────────────────────────── */
/* End of SCSS-style CSS                                            */
/* Use Tailwind utilities in HTML generation (app.js)               */
/* ─────────────────────────────────────────────────────────────── */