:root {
  --mathai-gemini-bg: #f7f8fc;
  --mathai-gemini-surface: #ffffff;
  --mathai-gemini-text: #111827;
  --mathai-gemini-muted: #5b6475;
  --mathai-gemini-primary: #2563eb;
  --mathai-gemini-primary-dark: #1e40af;
  --mathai-gemini-secondary: #7c3aed;
  --mathai-gemini-accent: #14b8a6;
  --mathai-gemini-border: #e5e7eb;
  --mathai-gemini-soft: #eef4ff;
  --mathai-gemini-shadow: 0 20px 60px rgba(15, 23, 42, 0.10);
  --mathai-gemini-radius: 24px;
  --mathai-gemini-radius-sm: 16px;
}

.mathai-gemini-section {
  margin: 34px 0;
  padding: 34px;
  border-radius: var(--mathai-gemini-radius);
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(229,231,235,.82);
  color: var(--mathai-gemini-text);
  box-shadow: 0 12px 30px rgba(15,23,42,.04);
}

.mathai-gemini-heading { margin-bottom: 22px; }
.mathai-gemini-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.03em;
}
.mathai-gemini-heading p { color: var(--mathai-gemini-muted); margin: 0; }
.mathai-gemini-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px !important;
  color: var(--mathai-gemini-primary) !important;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  font-weight: 800;
}
.mathai-gemini-eyebrow:before {
  content: "";
  width: 30px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mathai-gemini-primary), var(--mathai-gemini-secondary));
}

.mathai-gemini-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
  gap: 18px;
  align-items: start;
}

.mathai-gemini-card {
  display: block;
  padding: 24px;
  border-radius: var(--mathai-gemini-radius-sm);
  background: #fff;
  border: 1px solid var(--mathai-gemini-border);
  box-shadow: 0 12px 30px rgba(15,23,42,.05);
  color: var(--mathai-gemini-text);
}
.mathai-gemini-card h3 { margin-top: 0; letter-spacing: -0.03em; }
.mathai-gemini-soft-card { background: linear-gradient(135deg, #fff, #f3f7ff); }

.mathai-gemini-checklist {
  padding: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.mathai-gemini-checklist li {
  position: relative;
  padding-left: 30px;
  color: var(--mathai-gemini-text);
  font-weight: 650;
}
.mathai-gemini-checklist li:before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  background: rgba(20,184,166,.15);
  color: #0f766e;
  border-radius: 50%;
  font-size: .78rem;
  font-weight: 900;
}

.mathai-gemini-ai-box {
  border: 1px solid var(--mathai-gemini-border);
  border-radius: var(--mathai-gemini-radius-sm);
  background: #fff;
  overflow: hidden;
}
.mathai-gemini-messages {
  display: grid;
  gap: 10px;
  padding: 18px;
  max-height: 460px;
  overflow-y: auto;
  background: linear-gradient(180deg, #fff, #f9fbff);
}
.mathai-gemini-message {
  padding: 12px 14px;
  border-radius: 16px;
  overflow-wrap: anywhere;
  line-height: 1.6;
}
.mathai-gemini-message.mathai-ai {
  background: #eef4ff;
  color: #1e3a8a;
  border-bottom-left-radius: 4px;
  white-space: normal;
}
.mathai-gemini-message.mathai-user {
  background: #0f172a;
  color: #fff;
  margin-left: auto;
  border-bottom-right-radius: 4px;
  max-width: 92%;
  white-space: pre-wrap;
}
.mathai-gemini-message.mathai-ai > *:first-child { margin-top: 0; }
.mathai-gemini-message.mathai-ai > *:last-child { margin-bottom: 0; }
.mathai-gemini-message.mathai-ai p,
.mathai-gemini-message.mathai-ai ul,
.mathai-gemini-message.mathai-ai ol,
.mathai-gemini-message.mathai-ai blockquote,
.mathai-gemini-message.mathai-ai pre,
.mathai-gemini-message.mathai-ai .mathai-gemini-md-table { margin: 0 0 12px; }
.mathai-gemini-message.mathai-ai h1,
.mathai-gemini-message.mathai-ai h2,
.mathai-gemini-message.mathai-ai h3,
.mathai-gemini-message.mathai-ai h4 { margin: 0 0 10px; line-height: 1.3; color: #16337a; }
.mathai-gemini-message.mathai-ai h1 { font-size: 1.25rem; }
.mathai-gemini-message.mathai-ai h2 { font-size: 1.15rem; }
.mathai-gemini-message.mathai-ai h3 { font-size: 1.05rem; }
.mathai-gemini-message.mathai-ai h4 { font-size: 1rem; }
.mathai-gemini-message.mathai-ai ul,
.mathai-gemini-message.mathai-ai ol { padding-left: 20px; }
.mathai-gemini-message.mathai-ai li + li { margin-top: 6px; }
.mathai-gemini-message.mathai-ai code {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(15, 23, 42, .08);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92em;
}
.mathai-gemini-message.mathai-ai pre {
  overflow-x: auto;
  padding: 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, .08);
}
.mathai-gemini-message.mathai-ai pre code { display: block; padding: 0; background: transparent; white-space: pre; }
.mathai-gemini-message.mathai-ai blockquote { padding: 10px 12px; border-left: 4px solid rgba(37,99,235,.35); background: rgba(255,255,255,.55); border-radius: 0 12px 12px 0; }
.mathai-gemini-message.mathai-ai .mathai-gemini-md-table { overflow-x: auto; }
.mathai-gemini-message.mathai-ai table { width: 100%; min-width: 420px; border-collapse: collapse; background: rgba(255,255,255,.92); border-radius: 12px; overflow: hidden; font-size: .92rem; }
.mathai-gemini-message.mathai-ai th,
.mathai-gemini-message.mathai-ai td { padding: 10px 12px; text-align: left; vertical-align: top; border: 1px solid rgba(37,99,235,.14); }
.mathai-gemini-message.mathai-ai th { background: #dbeafe; color: #16337a; font-weight: 800; }

.mathai-gemini-notice {
  padding: 10px 14px;
  border-top: 1px solid var(--mathai-gemini-border);
  background: #fff7ed;
  color: #9a3412;
  font-size: .88rem;
}
.mathai-gemini-form {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-top: 1px solid var(--mathai-gemini-border);
}
.mathai-gemini-form textarea {
  width: 100%;
  border: 1px solid var(--mathai-gemini-border);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  resize: vertical;
  min-height: 112px;
}
.mathai-gemini-form textarea:focus {
  outline: 3px solid rgba(37,99,235,.14);
  border-color: rgba(37,99,235,.42);
}
.mathai-gemini-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 800;
  cursor: pointer;
  font-size: .95rem;
  background: linear-gradient(135deg, var(--mathai-gemini-primary), var(--mathai-gemini-secondary));
  color: #fff;
  box-shadow: 0 14px 32px rgba(37,99,235,.25);
}
.mathai-gemini-button:hover { color: #fff; box-shadow: 0 18px 40px rgba(37,99,235,.30); transform: translateY(-1px); }
.mathai-gemini-button:disabled { opacity: .72; cursor: wait; transform: none; }

.mathai-gemini-floating {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 99999;
  pointer-events: none;
}
.mathai-gemini-floating * { pointer-events: auto; }
.mathai-gemini-floating-panel[hidden] { display: none !important; }
.mathai-gemini-floating-toggle {
  position: relative;
  z-index: 2;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--mathai-gemini-primary), var(--mathai-gemini-secondary));
  color: #fff;
  padding: 14px 18px;
  font-weight: 900;
  box-shadow: 0 16px 40px rgba(37,99,235,.35);
  cursor: pointer;
}
.mathai-gemini-floating-panel {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 58px;
  width: min(400px, calc(100vw - 42px));
  background: #fff;
  border: 1px solid var(--mathai-gemini-border);
  border-radius: var(--mathai-gemini-radius);
  box-shadow: var(--mathai-gemini-shadow);
  overflow: hidden;
}
.mathai-gemini-floating-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--mathai-gemini-border);
}
.mathai-gemini-floating-close {
  border: 0;
  background: #f3f4f6;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}
.mathai-gemini-floating-panel .mathai-gemini-messages { max-height: 280px; }
.mathai-gemini-floating-panel .mathai-gemini-section { margin: 0; padding: 0; box-shadow: none; border: 0; }

@media (max-width: 980px) {
  .mathai-gemini-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .mathai-gemini-section { padding: 24px; border-radius: 22px; }
  .mathai-gemini-floating { right: 12px; bottom: 12px; }
}