/* ======================================================
   ROI APP — ISOLATED, FULLY RESPONSIVE, DARK MODE SAFE
====================================================== */

#roi-app {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 16px;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--e-global-color-text);
}

/* Mobile */
@media (max-width: 480px) {
  #roi-app .card { padding: 16px; }
  #roi-app button { padding: 12px; font-size: 15px; }
}

/* Tablet */
@media (min-width: 481px) and (max-width: 768px) {
  #roi-app { max-width: 520px; padding: 18px; }
}

/* Desktop */
@media (min-width: 769px) {
  #roi-app { max-width: 580px; }
}

/* CARD */
#roi-app .card {
  background: var(--e-global-color-background);
  padding: 22px;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.07);
  margin-bottom: 22px;
}
body.dark-mode #roi-app .card {
  background:#1E1E1E !important;
  box-shadow: 0 6px 18px rgba(0,0,0,0.45);
}

/* SELECT INPUTS */
#roi-app select {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.12);
  font-size: 16px;
  margin-top: 8px;
  background: var(--e-global-color-background);
  color: var(--e-global-color-text);
}
body.dark-mode #roi-app select {
  background:#111;
  border-color:#333;
  color:white;
}

/* TITLE */
#roi-app h2 {
  margin-bottom: 6px;
  font-size: 24px;
  font-weight: 700;
}
#roi-app .subtitle {
  opacity: 0.7;
  margin-bottom: 18px;
  font-size: 14px;
}

/* BUTTON */
#roi-app button {
  width: 100%;
  padding: 14px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  background:#2A63F0;
  color:white;
  border:none;
  cursor:pointer;
  margin-top:14px;
  transition: opacity .2s;
}
#roi-app button.disabled {
  opacity: 0.45;
  pointer-events:none;
}

/* SPINNER */
#roi-app .spinner {
  width:42px;height:42px;
  border:4px solid #ddd;
  border-top-color:#2A63F0;
  border-radius:50%;
  animation:spin 1s linear infinite;
  margin:40px auto 12px;
}
@keyframes spin { to {transform:rotate(360deg);} }

/* RESULT CARDS */
#roi-app .result-card {
  padding:16px;
  background:var(--e-global-color-background);
  border-radius:16px;
  border:1px solid rgba(0,0,0,0.08);
  margin-bottom:16px;
}
body.dark-mode #roi-app .result-card {
  background:#1E1E1E;
  border-color:#333;
}

#roi-app .result-title {
  font-size:16px;
  font-weight:600;
  margin-bottom:6px;
}
#roi-app .result-value {
  font-size:18px;
  font-weight:700;
}

/* CTA BOX */
#roi-app .cta-box {
  padding:20px;
  background:var(--e-global-color-background);
  border-radius:16px;
  border:1px solid rgba(0,0,0,0.1);
  text-align:center;
  margin-top:20px;
}
body.dark-mode #roi-app .cta-box {
  background:#1E1E1E;
  border-color:#333;
}

.hidden { display:none; }