/* ================================================
   SESION 10 - IA para estudiar matematicas
   Enfoque: casos concretos, evidencia y verificacion
================================================ */

.math-headlines {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.2rem 0;
}

.math-headline-card {
  background: linear-gradient(180deg, #f8fffe 0%, #ffffff 100%);
  border: 1.5px solid #99f6e4;
  border-radius: 18px;
  padding: 1.1rem 1.15rem;
  box-shadow: 0 10px 26px rgba(13, 148, 136, 0.08);
}

.math-headline-kicker {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #0f766e;
  background: #ccfbf1;
  border: 1px solid #5eead4;
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  margin-bottom: 0.55rem;
}

.math-headline-card h4 {
  font-size: 0.98rem;
  color: #1f2937;
  margin: 0 0 0.45rem;
}

.math-headline-card p {
  font-size: 0.82rem;
  line-height: 1.65;
  color: #475569;
  margin: 0 0 0.45rem;
}

.math-headline-source a {
  font-weight: 600;
  color: #0f766e;
}

.math-headline-shot {
  color: #0f766e;
  background: #f0fdfa;
  border-radius: 10px;
  padding: 0.45rem 0.6rem;
  border: 1px solid #99f6e4;
}

.math-split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.2rem 0;
}

.math-split-card {
  border-radius: 18px;
  padding: 1rem 1.05rem;
  border: 1.5px solid;
}

.math-split-good {
  background: #f0fdf4;
  border-color: #86efac;
}

.math-split-risk {
  background: #fff7ed;
  border-color: #fdba74;
}

.math-split-tag {
  display: inline-block;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 0.12rem 0.5rem;
  margin-bottom: 0.45rem;
}

.math-split-good .math-split-tag {
  background: #dcfce7;
  color: #166534;
}

.math-split-risk .math-split-tag {
  background: #ffedd5;
  color: #c2410c;
}

.math-split-card h4 {
  font-size: 0.95rem;
  color: #1f2937;
  margin: 0 0 0.45rem;
}

.math-split-card ul {
  margin: 0;
  padding-left: 1rem;
}

.math-split-card li {
  font-size: 0.81rem;
  line-height: 1.65;
  color: #475569;
  margin-bottom: 0.35rem;
}

.math-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin: 1.2rem 0;
}

.math-tool-card {
  background: #ffffff;
  border: 1.5px solid #dbeafe;
  border-radius: 18px;
  padding: 1rem;
  box-shadow: 0 8px 24px rgba(30, 64, 175, 0.06);
}

.math-tool-icon {
  font-size: 1.45rem;
  display: block;
  margin-bottom: 0.4rem;
}

.math-tool-card h4 {
  font-size: 0.94rem;
  color: #1f2937;
  margin: 0 0 0.4rem;
}

.math-tool-card p {
  font-size: 0.8rem;
  line-height: 1.62;
  margin: 0 0 0.35rem;
}

.math-tool-best {
  color: #334155;
}

.math-tool-risk {
  color: #64748b;
}

.study-strategy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin: 1.2rem 0;
}

.study-strategy-card {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border: 1.5px solid #cbd5e1;
  border-radius: 18px;
  padding: 1rem;
}

.study-strategy-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: #0f766e;
  color: #ffffff;
  font-size: 0.86rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
}

.study-strategy-card h4 {
  font-size: 0.94rem;
  color: #1f2937;
  margin: 0 0 0.4rem;
}

.study-strategy-card p {
  font-size: 0.8rem;
  line-height: 1.65;
  color: #475569;
  margin: 0 0 0.45rem;
}

.study-strategy-use {
  color: #0f766e;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
  border-radius: 10px;
  padding: 0.5rem 0.6rem;
}

.study-strategy-source a {
  font-weight: 600;
  color: #0f766e;
}

.math-case {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.1rem 0;
}

.math-case-pane {
  border-radius: 18px;
  padding: 1rem 1.05rem;
  border: 1.5px solid;
}

.math-case-pane-wrong {
  background: #fff1f2;
  border-color: #fda4af;
}

.math-case-pane-right {
  background: #eff6ff;
  border-color: #93c5fd;
}

.math-case-label {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.math-case-pane-wrong .math-case-label {
  color: #be123c;
}

.math-case-pane-right .math-case-label {
  color: #1d4ed8;
}

.math-case-pane p,
.math-case-pane li {
  font-size: 0.82rem;
  line-height: 1.65;
  color: #334155;
  margin-top: 0;
}

.math-case-pane ul {
  margin: 0;
  padding-left: 1rem;
}

@media (max-width: 640px) {
  .math-headlines,
  .math-split,
  .math-tools-grid,
  .study-strategy-grid,
  .math-case {
    grid-template-columns: 1fr;
  }
}

/* ================================================
   HEADLINE IMAGE
================================================ */

.math-headline-img {
  width: 100%;
  border-radius: 10px;
  display: block;
  margin-top: 0.55rem;
  border: 1px solid #ccfbf1;
  object-fit: cover;
  max-height: 140px;
}

/* ================================================
   CHAT WINDOW (estilo ChatGPT)
================================================ */

.chat-window {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 18px;
  overflow: hidden;
  margin: 1.2rem 0;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

.chat-topbar {
  background: #f9fafb;
  border-bottom: 1px solid #e2e8f0;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.chat-dots {
  display: flex;
  gap: 0.28rem;
}

.chat-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}

.chat-dots span:nth-child(1) { background: #fca5a5; }
.chat-dots span:nth-child(2) { background: #fde68a; }
.chat-dots span:nth-child(3) { background: #86efac; }

.chat-topbar-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #374151;
  letter-spacing: -0.01em;
}

.chat-body {
  padding: 1.1rem 1rem;
  display: grid;
  gap: 1rem;
}

.chat-msg {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.chat-msg-user {
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: #10a37f;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.chat-bubble {
  max-width: 76%;
  border-radius: 16px;
  padding: 0.75rem 0.95rem;
  font-size: 0.84rem;
  line-height: 1.65;
}

.chat-bubble p {
  margin: 0 0 0.4rem;
}

.chat-bubble p:last-child {
  margin: 0;
}

.chat-bubble-user {
  background: #f3f4f6;
  color: #1f2937;
  border-radius: 16px 16px 4px 16px;
}

.chat-bubble-ai {
  background: #ffffff;
  border: 1.5px solid #e5e7eb;
  color: #374151;
  border-radius: 16px 16px 16px 4px;
}

.chat-math {
  font-family: "Courier New", monospace;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 0.35rem 0.65rem;
  display: block;
  margin: 0.3rem 0 0.5rem;
  color: #1e40af;
}

/* Error highlight inside a chat bubble */
.chat-bubble-error {
  background: #fff1f2;
  border-color: #fecdd3;
}

/* ---- Análisis debajo del chat ---- */

.chat-analysis {
  background: #f8fafc;
  border-top: 1.5px solid #e2e8f0;
  padding: 1rem 1.1rem;
}

.chat-analysis-tag {
  display: inline-block;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  margin-bottom: 0.75rem;
}

.chat-analysis-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.chat-analysis-list li {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.82rem;
  color: #374151;
  line-height: 1.65;
}

.chat-analysis-icon {
  flex-shrink: 0;
  font-size: 0.92rem;
  margin-top: 0.05rem;
}

/* ---- Cuadro de verificación ---- */

.chat-verify {
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  margin-top: 0.85rem;
}

.chat-verify-tag {
  display: inline-block;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #16a34a;
  margin-bottom: 0.5rem;
}

.chat-verify-list {
  margin: 0;
  padding-left: 1.1rem;
}

.chat-verify-list li {
  font-size: 0.82rem;
  color: #166534;
  line-height: 1.65;
  margin-bottom: 0.3rem;
}

.chat-verify-list li:last-child {
  margin-bottom: 0;
}

.chat-verify-list code {
  font-family: "Courier New", monospace;
  background: #dcfce7;
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.78rem;
}