:root {
  --bg-dark: #0d0714;
  --card-bg: #170e24;
  --card-border: #2e1d44;
  --text-primary: #f5f3f7;
  --text-secondary: #9b8fb0;
  --purple-main: #8b3dff;
  --purple-light: #a855f7;
  --purple-muted: #2d1b46;
  --green-main: #10b981;
  --green-bg: rgba(16, 185, 129, 0.12);
  --green-border: rgba(16, 185, 129, 0.38);
  --danger-bg: rgba(239, 68, 68, 0.15);
  --danger-border: rgba(239, 68, 68, 0.4);
  --danger-text: #fca5a5;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(circle at top left, #241038 0%, var(--bg-dark) 65%);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.app-container {
  width: 100%;
  max-width: 400px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 24px 20px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

.card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}

.title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.progress-badge {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--purple-light);
}

.subtitle {
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.file-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.file-size-tag {
  color: var(--text-primary);
  font-weight: 600;
}

.step-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 15px 14px;
  margin-bottom: 12px;
  transition: all 0.25s ease;
}

.step-box.step-active {
  border-color: rgba(168, 85, 247, 0.35);
  background: rgba(139, 61, 255, 0.07);
}

.step-box.step-locked {
  opacity: 0.52;
}

.step-box.step-done {
  background: var(--green-bg);
  border-color: var(--green-border);
  opacity: 1;
}

.step-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.step-circle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.98rem;
  background: radial-gradient(circle at 30% 30%, #9333ea, #581c87);
  color: #ffffff;
  flex-shrink: 0;
  box-shadow: 0 0 14px rgba(147, 51, 234, 0.35);
}

.step-locked .step-circle {
  background: #2a2038;
  color: #7c6f91;
  box-shadow: none;
}

.step-done .step-circle {
  background: var(--green-main);
  color: #ffffff;
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.4);
}

.step-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.step-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: #ffffff;
}

.step-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.step-done .step-sub {
  color: #6ee7b7;
}

.start-btn {
  background: #271b38;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 11px;
  padding: 8px 16px;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease;
}

.start-btn:hover:not(:disabled) {
  background: #372352;
}

.start-btn:active:not(:disabled) {
  transform: scale(0.96);
}

.start-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.check-emoji {
  font-size: 1.35rem;
  padding-right: 6px;
}

.claim-btn {
  width: 100%;
  margin-top: 8px;
  padding: 15px 18px;
  border-radius: 15px;
  font-size: 0.98rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
}

.claim-btn.locked {
  background: var(--purple-muted);
  color: #8f7ba8;
  cursor: not-allowed;
}

.claim-btn.unlocked {
  background: linear-gradient(135deg, #9333ea 0%, #6b21a8 100%);
  color: #ffffff;
  box-shadow: 0 8px 22px rgba(147, 51, 234, 0.45);
}

.claim-btn.unlocked:active {
  transform: scale(0.98);
}

.status-box {
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: 12px;
  font-size: 0.84rem;
  line-height: 1.4;
  text-align: center;
}

.status-box.error {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
}

.status-box.success {
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  color: #a7f3d0;
}

.open-bot-btn {
  display: block;
  margin-top: 10px;
  padding: 11px 14px;
  border-radius: 12px;
  background: #2563eb;
  color: #ffffff;
  text-align: center;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
}

.hidden {
  display: none !important;
}

/* Modal de Anuncio Demo */
.ad-modal {
  position: fixed;
  inset: 0;
  background: rgba(8, 5, 14, 0.88);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}

.ad-modal-content {
  width: 100%;
  max-width: 360px;
  background: #1a1029;
  border: 1px solid #3c245c;
  border-radius: 20px;
  padding: 20px;
  text-align: center;
}

.ad-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #c084fc;
  background: rgba(192, 132, 252, 0.14);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.ad-banner {
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  padding: 22px 14px;
  margin-bottom: 16px;
}

.ad-icon {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.ad-banner h2 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.ad-banner p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.ad-timer {
  font-size: 0.86rem;
  color: #e9d5ff;
  margin-bottom: 12px;
  font-weight: 600;
}

.ad-close-btn {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: none;
  font-weight: 700;
  font-size: 0.9rem;
  background: var(--green-main);
  color: #ffffff;
  cursor: pointer;
}

.ad-close-btn:disabled {
  background: #2d2140;
  color: #827397;
  cursor: not-allowed;
}