* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, "SF Pro Display", BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #0D0D0D;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #F0F0F0;
  -webkit-font-smoothing: antialiased;
}

.signup-page {
  width: 100%;
  padding: 24px;
}

.signup-card {
  max-width: 420px;
  margin: 0 auto;
  background: #141414;
  border-radius: 16px;
  padding: 36px 32px;
  border: 1px solid #2A2A2A;
}

.signup-header {
  text-align: center;
  margin-bottom: 28px;
}

.signup-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #F0F0F0;
  letter-spacing: -.3px;
}

.signup-header p {
  color: #888888;
  font-size: 14px;
  line-height: 1.5;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: #888888;
  text-transform: uppercase;
  letter-spacing: .4px;
}

.form-group input {
  padding: 13px 16px;
  border: 1px solid #2A2A2A;
  border-radius: 10px;
  font-size: 15px;
  transition: border-color .15s;
  background: #1C1C1C;
  color: #F0F0F0;
  outline: none;
  font-family: inherit;
}

.form-group input::placeholder {
  color: #6B6560;
}

.form-group input:focus {
  border-color: #383838;
}

.signup-btn {
  border: none;
  border-radius: 10px;
  background: #4E5FC0;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 14px;
  cursor: pointer;
  transition: background .15s;
  font-family: inherit;
}

.signup-btn:hover {
  background: #0070E0;
}

.signup-btn:active {
  transform: scale(0.99);
}

#message {
  margin-top: 18px;
  text-align: center;
  font-size: 14px;
  color: #4E5FC0;
}

.signup-footer {
  margin-top: 24px;
  text-align: center;
}

.signup-footer p {
  color: #888888;
  font-size: 13px;
  margin-bottom: 6px;
}

.signup-footer a {
  color: #4E5FC0;
  text-decoration: none;
  font-weight: 600;
}

/* ── INSTITUTE LINK ── */
.institute-link {
  margin-top: 16px;
  text-align: center;
}

.institute-link a {
  font-size: 13px;
  color: #6B6560;
  text-decoration: none;
  transition: color .15s;
}

.institute-link a:hover {
  color: #888888;
}

/* ── ROLE TILES ── */
.role-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.role-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 14px;
  border: 1px solid #2A2A2A;
  border-radius: 10px;
  background: #1C1C1C;
  cursor: pointer;
  text-align: left;
  transition: border-color .15s, background .15s;
  font-family: inherit;
}

.role-tile:hover {
  border-color: #383838;
}

.role-tile.selected {
  border-color: #4E5FC0;
  background: rgba(78,95,192,.07);
}

.role-tile-icon {
  font-size: 20px;
  margin-bottom: 2px;
}

.role-tile-name {
  font-size: 13px;
  font-weight: 700;
  color: #F0F0F0;
}

.role-tile-desc {
  font-size: 11px;
  color: #888888;
  line-height: 1.3;
}

/* ── JOIN BANNER ── */
.join-banner {
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(78,95,192,.08);
  border: 1px solid rgba(78,95,192,.2);
  font-size: 13px;
  color: #4E5FC0;
  font-weight: 600;
  text-align: center;
}

/* ── COACHING CODE ENTRY ── */

.coaching-code-wrap {
  margin-top: 16px;
  text-align: center;
}

.coaching-code-toggle {
  background: none;
  border: none;
  color: #888888;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 8px;
  font-family: inherit;
  transition: color .15s, background .15s;
}

.coaching-code-toggle:hover {
  color: #F0F0F0;
  background: rgba(255,255,255,.04);
}

.coaching-code-field {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.coaching-code-field input {
  flex: 1;
  min-width: 0;
  background: #1C1C1C;
  border: 1px solid #2A2A2A;
  color: #F0F0F0;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  outline: none;
  font-family: inherit;
  text-transform: uppercase;
  transition: border-color .15s;
}

.coaching-code-field input:focus { border-color: #383838; }

.coaching-code-verify-btn {
  background: rgba(78,95,192,.1);
  color: #4E5FC0;
  border: 1px solid rgba(78,95,192,.25);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: background .15s;
}

.coaching-code-verify-btn:hover { background: rgba(78,95,192,.18); }
.coaching-code-verify-btn:disabled { opacity: .5; cursor: not-allowed; }

.coaching-code-status {
  width: 100%;
  font-size: 12px;
  font-weight: 600;
  text-align: left;
  padding: 2px 4px;
  color: #888888;
}

.coaching-code-status.success { color: #4ADE80; }
.coaching-code-status.error   { color: #FF453A; }

.hidden { display: none !important; }

@media (max-width: 480px) {
  .signup-card {
    padding: 28px 20px;
    border-radius: 14px;
  }
}