:root {
  --bg: #000000;
  --surface: #000000;
  --border: #2f3336;
  --text: #ffffff;
  --muted: #71767b;
  --blue: #1d9bf0;
  --max-width: 600px;
  --white-border: rgba(255,255,255,0.9);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #000;
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  width: 100%;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo {
  height: 100%;
}

.feed-wrap {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  min-height: calc(100vh - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 20px 40px;
}

.signup-card {
  width: 100%;
  background: #000000;
  border: 1px solid var(--white-border);
  border-radius: 24px;
  padding: 28px 22px;
}

.signup-title {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: 800;
}

.signup-subtitle {
  margin-bottom: 24px;
  font-size: 15px;
}

.form-group {
  margin-bottom: 16px;
}

.input-label {
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 700;
}

.input-field {
  width: 100%;
  background: #000;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 16px;
  padding: 15px 16px;
  color: #fff;
}

.input-field:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(29,155,240,0.16);
}

.signup-btn {
  width: 100%;
  border-radius: 999px;
  background: #fff;
  color: #000;
  padding: 14px;
  font-weight: 800;
  cursor: pointer;
}

.signup-btn:hover {
  transform: translateY(-1px);
}

/* TAG STYLING */

.tag-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.tag {
  background: rgba(29,155,240,0.15);
  color: var(--blue);
  border: 1px solid rgba(29,155,240,0.4);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tag:hover {
  background: rgba(29,155,240,0.25);
}

.tag.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.tag-counter {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

/* LOGIN LINK */

.login-link-wrap {
  margin-top: 18px;
  text-align: center;
}

.login-link-wrap a {
  color: var(--blue);
  font-weight: 700;
}
.legal-section {
  margin-top: 18px;
  margin-bottom: 8px;
}

.checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #b0b3b8;
}

.checkbox-wrap input[type="checkbox"] {
  margin-top: 3px;
  transform: scale(1.05);
  accent-color: #1d9bf0;
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-wrap span {
  display: inline;
}

.checkbox-wrap a {
  color: #1d9bf0;
  text-decoration: none;
  font-weight: 600;
}

.checkbox-wrap a:hover {
  text-decoration: underline;
}
.secondary-btn {
  width: 100%;
  border-radius: 999px;
  background: transparent;
  color: #fff;
  padding: 14px;
  font-weight: 800;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.28);
}

.secondary-btn:hover {
  transform: translateY(-1px);
  border-color: #fff;
}
.topbar-inner {
  position: relative;
}

.back-link {
  position: absolute;
  right: 20px;
  top: 20px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.back-link:hover {
  text-decoration: underline;
}
.signup-btn {
  width: 100%;
  border-radius: 999px;
  background: #fff;
  color: #000;
  padding: 14px;
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
}

.signup-btn:hover {
  transform: translateY(-1px);
  background: #e6e6e6;
}

.signup-btn:active {
  transform: translateY(0);
  background: #dcdcdc;
}

.signup-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
button[type="submit"] {
  width: 100%;
  margin-top: 12px;
  padding: 14px 16px;
  border: none;
  border-radius: 10px;
  background: #111; /* dark modern look */
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

/* Hover */
button[type="submit"]:hover {
  background: #222;
  transform: translateY(-1px);
}

/* Click */
button[type="submit"]:active {
  transform: translateY(0);
  background: #000;
}

/* Disabled state (useful later) */
button[type="submit"]:disabled {
  background: #aaa;
  cursor: not-allowed;
  transform: none;
}