/*
  Grok Marketing Mentor — custom.css
  CHỈNH GIAO DIỆN TẠI ĐÂY (không cần sửa HTML).
  Đổi màu / font / bo góc bằng các biến -- bên dưới.
*/

:root {
  --gm-primary: #0d6efd;
  --gm-primary-hover: #0b5ed7;
  --gm-secondary: #6c757d;
  --gm-success: #198754;
  --gm-info: #0dcaf0;
  --gm-warning: #ffc107;
  --gm-danger: #dc3545;

  --gm-bg-page: #f4f6f9;
  --gm-bg-card: #ffffff;
  --gm-bg-nav: #1a1d23;
  --gm-text: #212529;
  --gm-text-muted: #6c757d;
  --gm-border: #e5e7eb;

  --gm-chat-user: #e7f1ff;
  --gm-chat-bot: #f8f9fa;
  --gm-chat-height: 420px;

  --gm-radius: 0.75rem;
  --gm-radius-sm: 0.5rem;
  --gm-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.06);
  --gm-shadow-hover: 0 0.5rem 1.25rem rgba(0, 0, 0, 0.1);

  --gm-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --gm-font-size: 1rem;
}

body {
  background: var(--gm-bg-page) !important;
  color: var(--gm-text);
  font-family: var(--gm-font);
  font-size: var(--gm-font-size);
}

.navbar.bg-dark { background: var(--gm-bg-nav) !important; }
.nav-link.active {
  color: #fff !important;
  border-bottom: 2px solid var(--gm-primary);
}

.card {
  background: var(--gm-bg-card);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius);
  box-shadow: var(--gm-shadow);
}
.card-hover:hover {
  box-shadow: var(--gm-shadow-hover);
  transform: translateY(-3px);
  transition: 0.18s ease;
  border-color: var(--gm-primary);
}
.card-header {
  background: transparent;
  font-weight: 600;
  border-bottom-color: var(--gm-border);
}
.card-title, .h6.card-title {
  color: var(--gm-text);
  font-weight: 600;
  line-height: 1.4;
}

.chat-box {
  height: var(--gm-chat-height);
  overflow-y: auto;
  background: var(--gm-bg-card);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius);
  padding: 1rem;
}
.msg-user {
  background: var(--gm-chat-user);
  border-radius: var(--gm-radius);
  padding: 0.65rem 0.95rem;
  margin-bottom: 0.65rem;
  margin-left: 12%;
}
.msg-bot {
  background: var(--gm-chat-bot);
  border: 1px solid var(--gm-border);
  border-radius: var(--gm-radius);
  padding: 0.65rem 0.95rem;
  margin-bottom: 0.65rem;
  margin-right: 12%;
}

.btn-primary {
  background-color: var(--gm-primary);
  border-color: var(--gm-primary);
}
.btn-primary:hover {
  background-color: var(--gm-primary-hover);
  border-color: var(--gm-primary-hover);
}

.form-control, .form-select {
  border-radius: var(--gm-radius-sm);
  border-color: var(--gm-border);
}
.form-control:focus, .form-select:focus {
  border-color: var(--gm-primary);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

.text-muted { color: var(--gm-text-muted) !important; }
pre.wrap {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--gm-font);
  font-size: 0.95em;
}

.accordion-button:not(.collapsed) {
  background: var(--gm-chat-user);
  color: var(--gm-text);
  box-shadow: none;
}

/* Theme tối — bỏ comment khối dưới để bật
:root {
  --gm-bg-page: #121418;
  --gm-bg-card: #1e222a;
  --gm-bg-nav: #0d0f12;
  --gm-text: #e8eaed;
  --gm-text-muted: #9aa0a6;
  --gm-border: #2d333b;
  --gm-chat-user: #1a3a5c;
  --gm-chat-bot: #252a33;
  --gm-primary: #4da3ff;
}
*/

/* Theme xanh lá — bỏ comment khối dưới để bật
:root {
  --gm-primary: #198754;
  --gm-primary-hover: #157347;
  --gm-chat-user: #e8f5ee;
}
*/

/* Lộ trình — icon & card */
.path-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}
.path-icon-lg {
  width: 3.75rem;
  height: 3.75rem;
  font-size: 1.75rem;
}
.path-card {
  transition: 0.18s ease;
}
.path-card:hover {
  border-color: var(--gm-primary) !important;
}
.path-title {
  line-height: 1.35;
}
.lesson-body {
  line-height: 1.65;
  font-size: 1.02rem;
}

/* ===== Omni dock cố định bên phải ===== */
.omni-dock {
  position: fixed;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  z-index: 1040;
  width: 200px;
  background: #ffffff;
  border: 1px solid var(--gm-border, #e5e7eb);
  border-radius: 1rem;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  padding: 0.65rem 0.55rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.omni-dock-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gm-text-muted, #6c757d);
  padding: 0.15rem 0.4rem 0.35rem;
  border-bottom: 1px solid var(--gm-border, #e5e7eb);
  margin-bottom: 0.15rem;
}

.omni-dock-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.4rem;
  border-radius: 0.65rem;
  text-decoration: none !important;
  color: var(--gm-text, #212529) !important;
  transition: background 0.15s ease, transform 0.15s ease;
}

.omni-dock-item:hover {
  background: #f0f4ff;
  transform: translateX(-2px);
}

.omni-dock-icon {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.55rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.omni-dock-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.omni-dock-text strong {
  font-size: 0.82rem;
  font-weight: 650;
}

.omni-dock-text small {
  font-size: 0.68rem;
  color: var(--gm-text-muted, #6c757d);
}

/* Chừa chỗ nội dung để không bị che (desktop) */
@media (min-width: 992px) {
  .main-with-dock {
    padding-right: 220px !important;
  }
}

/* Mobile: thu gọn thành icon bar */
@media (max-width: 991.98px) {
  .omni-dock {
    top: auto;
    bottom: 12px;
    right: 12px;
    left: 12px;
    width: auto;
    transform: none;
    flex-direction: row;
    justify-content: space-between;
    padding: 0.45rem;
  }
  .omni-dock-title {
    display: none;
  }
  .omni-dock-item {
    flex: 1;
    justify-content: center;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.35rem 0.2rem;
  }
  .omni-dock-text strong {
    font-size: 0.65rem;
    text-align: center;
  }
  .omni-dock-text small {
    display: none;
  }
  body {
    padding-bottom: 88px;
  }
}

/* ===== Sidebar sticky — API/Model luôn hiện khi cuộn ===== */
@media (min-width: 992px) {
  .sidebar-sticky {
    position: sticky;
    top: 72px; /* dưới navbar */
    max-height: calc(100vh - 88px);
    overflow-y: auto;
    z-index: 20;
    padding-bottom: 0.5rem;
  }
  .llm-switch-card {
    border: 1px solid var(--gm-border, #e5e7eb);
    box-shadow: 0 4px 14px rgba(0,0,0,0.08) !important;
  }
  .llm-switch-card .card-header {
    background: linear-gradient(135deg, #1a1d23 0%, #2d3340 100%);
    color: #fff;
  }
}

/* Mobile: thanh API cố định phía trên nội dung chat */
@media (max-width: 991.98px) {
  .sidebar-sticky {
    position: sticky;
    top: 56px;
    z-index: 30;
    margin-bottom: 0.75rem;
  }
  .llm-switch-card {
    margin-bottom: 0.5rem !important;
  }
  .llm-switch-card .card-body {
    padding: 0.6rem 0.75rem;
  }
  .llm-switch-card .d-grid {
    grid-template-columns: 1fr 1fr 1fr;
    display: grid !important;
    gap: 0.35rem !important;
  }
  .llm-switch-card .d-grid .btn {
    font-size: 0.7rem;
    padding: 0.35rem 0.25rem;
    white-space: normal;
    line-height: 1.2;
  }
  .llm-switch-card hr,
  .llm-switch-card ul,
  .llm-switch-card p.small {
    display: none;
  }
}

/* ===== LLM dock — cố định phải, mọi trang ===== */
.llm-dock {
  position: fixed;
  top: 72px;
  right: 12px;
  z-index: 1050;
  width: 168px;
  background: #fff;
  border: 1px solid var(--gm-border, #e5e7eb);
  border-radius: 1rem;
  box-shadow: 0 8px 28px rgba(0,0,0,0.14);
  padding: 0.55rem;
}

.llm-dock-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6c757d;
  padding: 0.15rem 0.35rem 0.4rem;
  border-bottom: 1px solid #eee;
  margin-bottom: 0.4rem;
}

.llm-dock-form {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.llm-dock-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  width: 100%;
  border: 1px solid #e5e7eb;
  background: #f8f9fa;
  border-radius: 0.65rem;
  padding: 0.4rem 0.5rem;
  text-align: left;
  cursor: pointer;
  transition: 0.15s ease;
  line-height: 1.15;
}

.llm-dock-btn i {
  font-size: 0.95rem;
  margin-bottom: 0.1rem;
}

.llm-dock-btn span {
  font-size: 0.8rem;
  font-weight: 650;
  color: #212529;
}

.llm-dock-btn small {
  font-size: 0.65rem;
  color: #6c757d;
}

.llm-dock-btn:hover {
  background: #eef3ff;
  border-color: #0d6efd55;
}

.llm-dock-btn.is-active.is-auto {
  background: #0d6efd;
  border-color: #0d6efd;
}
.llm-dock-btn.is-active.is-auto span,
.llm-dock-btn.is-active.is-auto small,
.llm-dock-btn.is-active.is-auto i { color: #fff; }

.llm-dock-btn.is-active.is-xai {
  background: #212529;
  border-color: #212529;
}
.llm-dock-btn.is-active.is-xai span,
.llm-dock-btn.is-active.is-xai small,
.llm-dock-btn.is-active.is-xai i { color: #fff; }

.llm-dock-btn.is-active.is-ds {
  background: #198754;
  border-color: #198754;
}
.llm-dock-btn.is-active.is-ds span,
.llm-dock-btn.is-active.is-ds small,
.llm-dock-btn.is-active.is-ds i { color: #fff; }

.llm-dock-status {
  margin-top: 0.45rem;
  padding-top: 0.35rem;
  border-top: 1px solid #eee;
  font-size: 0.65rem;
  line-height: 1.35;
}

.llm-dock-key.ok { color: #198754; }
.llm-dock-key.no { color: #adb5bd; }

/* Đẩy Omni xuống dưới panel API */
.omni-dock {
  top: auto !important;
  bottom: 16px;
  transform: none !important;
}

@media (min-width: 992px) {
  .main-with-dock {
    padding-right: 200px !important;
  }
}

@media (max-width: 991.98px) {
  .llm-dock {
    top: auto;
    bottom: 78px;
    right: 10px;
    left: auto;
    width: 140px;
    padding: 0.4rem;
  }
  .llm-dock-btn {
    padding: 0.3rem 0.4rem;
  }
  .llm-dock-status { display: none; }
  .omni-dock {
    bottom: 10px;
  }
}

/* ===== Lộ trình theo phần (border) ===== */
.path-section {
  border: 2px solid color-mix(in srgb, var(--sec-color) 35%, #e5e7eb);
  border-radius: 1rem;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0,0,0,0.05);
}
.path-section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.75rem 1rem;
  padding: 1rem 1.15rem;
  background: color-mix(in srgb, var(--sec-color) 8%, #fff);
  border-bottom: 2px solid color-mix(in srgb, var(--sec-color) 25%, #e5e7eb);
}
.path-section-badge {
  background: var(--sec-color);
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  white-space: nowrap;
}
.path-section-goal {
  padding: 0.55rem 1.15rem;
  background: #fafbfc;
  border-bottom: 1px dashed #e5e7eb;
  color: #495057;
}
.path-section-body {
  padding: 1rem 1.15rem 1.15rem;
}

/* ===== Chat widget (góc trái) ===== */
.cg-widget {
  position: fixed !important;
  left: 18px !important;
  bottom: 18px !important;
  z-index: 99999 !important;
  font-family: inherit;
}

.cg-fab {
  display: inline-flex !important;
  align-items: center;
  gap: 10px;
  border: 0;
  cursor: pointer;
  padding: 12px 18px 12px 12px;
  border-radius: 999px;
  color: #fff !important;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%) !important;
  box-shadow: 0 10px 28px rgba(37, 99, 235, 0.45);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cg-fab:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.55);
}
.cg-fab.is-open {
  background: #1e293b !important;
}
.cg-fab-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}
.cg-fab-text {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.cg-panel {
  position: absolute !important;
  left: 0 !important;
  bottom: 64px !important;
  width: 380px;
  max-width: calc(100vw - 36px);
  height: 520px;
  max-height: calc(100vh - 100px);
  background: #fff !important;
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.28);
  display: flex !important;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(16px) scale(0.96);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  border: 1px solid rgba(15,23,42,.06);
}
.cg-panel.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.cg-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px 12px;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #fff;
}
.cg-head-left { display: flex; align-items: center; gap: 10px; }
.cg-avatar {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.cg-head-title { font-weight: 700; font-size: 0.95rem; line-height: 1.2; }
.cg-head-sub { font-size: 0.72rem; opacity: .75; margin-top: 2px; }
.cg-x {
  border: 0; background: rgba(255,255,255,.12); color: #fff;
  width: 32px; height: 32px; border-radius: 8px; font-size: 1.25rem;
  line-height: 1; cursor: pointer;
}
.cg-x:hover { background: rgba(255,255,255,.22); }

.cg-tools {
  display: flex; gap: 8px; align-items: center;
  padding: 8px 10px; background: #f8fafc; border-bottom: 1px solid #e2e8f0;
}
.cg-mode-form { flex: 1; margin: 0; }
.cg-select {
  width: 100%; border: 1px solid #e2e8f0; border-radius: 8px;
  padding: 6px 8px; font-size: 0.8rem; background: #fff;
}
.cg-clear {
  font-size: 0.78rem; color: #64748b; text-decoration: none;
  padding: 6px 8px; border-radius: 8px; border: 1px solid #e2e8f0; background: #fff;
}
.cg-clear:hover { color: #0f172a; background: #f1f5f9; }

.cg-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  background: #f1f5f9;
}
.cg-empty {
  text-align: center; color: #64748b; padding: 48px 16px;
}
.cg-empty i { font-size: 1.8rem; color: #94a3b8; display: block; margin-bottom: 8px; }
.cg-empty p { margin: 0; font-size: 0.88rem; }

.cg-msg {
  max-width: 88%;
  margin-bottom: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}
.cg-me {
  margin-left: auto;
  background: linear-gradient(135deg, #2563eb, #4f46e5);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.cg-bot {
  margin-right: auto;
  background: #fff;
  border: 1px solid #e2e8f0;
  color: #0f172a;
  border-bottom-left-radius: 4px;
}
.cg-who {
  font-size: 0.68rem;
  opacity: 0.75;
  margin-bottom: 3px;
  font-weight: 600;
}

.cg-foot {
  display: flex; gap: 8px; align-items: center;
  padding: 10px;
  background: #fff;
  border-top: 1px solid #e2e8f0;
}
.cg-input {
  flex: 1;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.9rem;
  outline: none;
}
.cg-input:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.cg-send {
  width: 44px; height: 44px; border: 0; border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.cg-send:hover { filter: brightness(1.08); }

@media (max-width: 480px) {
  .cg-widget { left: 10px; bottom: 10px; right: 10px; }
  .cg-panel {
    width: auto;
    left: 0;
    right: 0;
    bottom: 58px;
    height: min(70vh, 520px);
  }
  .cg-fab-text { display: none; }
  .cg-fab { padding: 12px; }
}


/* Track tabs on lo-trinh */
.track-tabs .nav-link {
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #334155;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 0.4rem 0.9rem;
}
.track-tabs .nav-link:hover {
  background: #e2e8f0;
  color: #0f172a;
}
.track-tabs .nav-link.active {
  color: #fff !important;
}