/* ═══════════════════════════════════════════════════
   PongMaster – Public Registration Form (Mobile First)
   ═══════════════════════════════════════════════════ */

.registration-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--color-bg) 0%, var(--color-bg-alt) 50%, #FFE0C5 100%);
}

/* ── Header ─────────────────────────────────────── */
.reg-header {
  text-align: center;
  margin-bottom: var(--space-6);
  animation: bounceIn 0.6s ease-out both;
  position: relative;
  z-index: 2;
}

.reg-header__emoji {
  font-size: 3.5rem;
  display: inline-block;
  text-shadow:
    0 6px 12px rgba(0, 0, 0, 0.15),
    0 3px 6px rgba(0, 0, 0, 0.1);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.12));
  transform: perspective(600px) rotateX(5deg);
  margin-bottom: var(--space-2);
}

.reg-header__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.reg-header__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ── Form Container ─────────────────────────────── */
.reg-form-container {
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 2;
  animation: bounceIn 0.6s ease-out 0.15s both;
}

.reg-form {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--clay-shadow);
  padding: var(--space-8) var(--space-6);
}

/* ── Form Group ─────────────────────────────────── */
.form-group {
  margin-bottom: var(--space-5);
}

.form-group__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-group__label .emoji-label {
  margin-right: var(--space-1);
}

.form-group__hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-group__error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--space-1);
  display: none;
}

.form-group--error .form-group__error {
  display: block;
}

.form-group--error .clay-input {
  border-color: var(--color-danger);
}

/* Team name availability indicator */
.team-check {
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.team-check--available {
  color: var(--color-success);
}

.team-check--taken {
  color: var(--color-danger);
}

.team-check--checking {
  color: var(--color-text-muted);
}

/* ── Checkbox ───────────────────────────────────── */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--clay-shadow-input);
}

.checkbox-group input[type="checkbox"] {
  width: 22px;
  height: 22px;
  min-width: 22px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.checkbox-group label {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  line-height: 1.5;
}

/* ── Submit Button ──────────────────────────────── */
.reg-submit {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  margin-top: var(--space-6);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, #FF8A5C 100%);
  box-shadow:
    0 4px 15px rgba(255, 107, 53, 0.3),
    var(--clay-shadow-sm);
}

.reg-submit:hover {
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
  box-shadow:
    0 6px 20px rgba(255, 107, 53, 0.4),
    var(--clay-shadow);
}

.reg-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ── Char Counter ───────────────────────────────── */
.char-counter {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: right;
  margin-top: var(--space-1);
}

.char-counter--warn {
  color: var(--color-primary);
}

.char-counter--max {
  color: var(--color-danger);
}

/* ═══════════════════════════════════════════════════
   Success Screen
   ═══════════════════════════════════════════════════ */
.success-screen {
  position: fixed;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--color-bg) 0%, #FFE0C5 50%, var(--color-secondary) 100%);
  z-index: 100;
  padding: var(--space-8);
  text-align: center;
}

.success-screen.active {
  display: flex;
}

.success-emoji {
  font-size: 5rem;
  animation: successBounce 0.8s ease-out both;
  text-shadow:
    0 8px 16px rgba(0, 0, 0, 0.15),
    0 4px 8px rgba(0, 0, 0, 0.1);
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.15));
  margin-bottom: var(--space-6);
}

.success-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-text);
  animation: slideUp 0.5s ease-out 0.3s both;
}

.success-message {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 320px;
  animation: slideUp 0.5s ease-out 0.5s both;
}

.success-team-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: var(--space-4);
  animation: slideUp 0.5s ease-out 0.7s both;
}

.success-confetti {
  position: absolute;
  font-size: 1.5rem;
  animation: confettiFall 3s ease-in forwards;
  pointer-events: none;
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 380px) {
  .reg-form {
    padding: var(--space-6) var(--space-4);
  }

  .reg-header__title {
    font-size: var(--font-size-2xl);
  }
}

@media (min-width: 768px) {
  .reg-form-container {
    max-width: 480px;
  }

  .reg-form {
    padding: var(--space-10) var(--space-8);
  }
}