/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #07080f;
  --bg-card:      #0e1018;
  --bg-card-2:    #131621;
  --border:       rgba(255,255,255,0.07);
  --border-glow:  rgba(99,179,237,0.35);

  --accent:       #63b3ed;
  --accent-2:     #7c3aed;
  --accent-3:     #ed63a8;
  --success:      #34d399;
  --warning:      #fbbf24;
  --error:        #f87171;

  --text:         #e8eaf0;
  --text-muted:   #6b7280;
  --text-dim:     #9ca3af;

  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;

  --radius:       14px;
  --radius-sm:    8px;
  --shadow:       0 24px 64px rgba(0,0,0,0.6);
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── Background Effects ───────────────────────────────────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(99,179,237,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,179,237,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

.scanlines {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
}

.orb {
  position: fixed; border-radius: 50%; filter: blur(120px);
  pointer-events: none; z-index: 0; opacity: 0.18;
}
.orb-1 { width: 500px; height: 500px; top: -150px; left: -100px;  background: var(--accent-2); animation: orbFloat 18s ease-in-out infinite; }
.orb-2 { width: 400px; height: 400px; top: 40%;   right: -150px; background: var(--accent);   animation: orbFloat 22s ease-in-out infinite reverse; }
.orb-3 { width: 350px; height: 350px; bottom: -100px; left: 30%; background: var(--accent-3); animation: orbFloat 26s ease-in-out infinite 4s; }

@keyframes orbFloat {
  0%,100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-40px) scale(1.08); }
}

/* ── Layout ───────────────────────────────────────────────────────────────── */
.page-wrap {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center;
  padding: 0 16px;
}

/* ── Header ───────────────────────────────────────────────────────────────── */
.site-header {
  width: 100%; max-width: 640px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px 0 0;
  margin-bottom: 40px;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo-exe  { font-family: var(--font-display); font-size: 2rem; color: var(--accent); letter-spacing: 2px; }
.logo-mod  { font-family: var(--font-display); font-size: 2rem; color: var(--text);   letter-spacing: 2px; }
.logo-divider {
  width: 1px; height: 22px;
  background: var(--border); margin: 0 4px;
}
.logo-sub {
  font-size: 0.72rem; font-weight: 500;
  color: var(--text-muted); letter-spacing: 0.12em;
  text-transform: uppercase; padding-top: 2px;
}

.header-badge {
  display: flex; align-items: center; gap: 7px;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--success);
  background: rgba(52,211,153,0.08);
  border: 1px solid rgba(52,211,153,0.2);
  border-radius: 999px; padding: 5px 12px;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(0.85); }
}

/* ── Main ─────────────────────────────────────────────────────────────────── */
.main-content {
  flex: 1; width: 100%; max-width: 560px;
  display: flex; align-items: flex-start; justify-content: center;
}

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}

/* animate-in */
[data-animate] {
  opacity: 0; transform: translateY(24px);
  animation: slideUp 0.5s cubic-bezier(0.22,1,0.36,1) 0.1s forwards;
}
@keyframes slideUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Card variants */
.card-error::before  { background: linear-gradient(90deg, transparent, var(--error),   transparent); }
.card-success::before{ background: linear-gradient(90deg, transparent, var(--success),  transparent); }
.card-warning::before{ background: linear-gradient(90deg, transparent, var(--warning),  transparent); }

/* ── Card Header Row ──────────────────────────────────────────────────────── */
.card-header-row {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; margin-bottom: 28px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 2rem; letter-spacing: 0.04em;
  color: var(--text); line-height: 1.1;
  margin-bottom: 6px;
}
.card-subtitle {
  font-size: 0.8rem; color: var(--text-muted); font-weight: 400;
}
.card-body {
  font-size: 0.95rem; color: var(--text-dim); line-height: 1.7;
  margin: 12px 0 24px;
}
.card-body strong { color: var(--text); }
.card-body code {
  font-family: var(--font-mono); font-size: 0.85em;
  background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 4px;
  color: var(--accent);
}

/* Centred card (errors / success) */
.card-error, .card-success, .card-warning { text-align: center; }
.card-icon { font-size: 3rem; margin-bottom: 12px; display: block; }

/* ── Expire badge ─────────────────────────────────────────────────────────── */
.expire-badge {
  display: flex; align-items: center; gap: 5px; white-space: nowrap;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em;
  color: var(--warning); background: rgba(251,191,36,0.08);
  border: 1px solid rgba(251,191,36,0.2);
  border-radius: 999px; padding: 5px 10px; flex-shrink: 0;
}
.expire-badge svg { color: var(--warning); }

/* ── Drop Zone ────────────────────────────────────────────────────────────── */
.drop-zone {
  border: 2px dashed rgba(99,179,237,0.2);
  border-radius: var(--radius-sm);
  background: rgba(99,179,237,0.03);
  padding: 36px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  margin-bottom: 20px;
  position: relative;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(99,179,237,0.07);
}
.drop-zone.drag-over { transform: scale(1.01); }

.drop-zone input[type=file] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}

/* Idle state */
.drop-icon {
  color: var(--accent); margin: 0 auto 16px;
  width: 56px; height: 56px; display: flex; align-items: center; justify-content: center;
  background: rgba(99,179,237,0.08); border-radius: 50%;
  border: 1px solid rgba(99,179,237,0.15);
}
.drop-title {
  font-size: 1rem; font-weight: 500; color: var(--text); margin-bottom: 4px;
}
.drop-title code {
  font-family: var(--font-mono); color: var(--accent);
  background: rgba(99,179,237,0.1); padding: 2px 6px; border-radius: 4px;
}
.drop-or { font-size: 0.8rem; color: var(--text-muted); margin: 10px 0; }
.drop-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 12px; }
.drop-hint code {
  font-family: var(--font-mono); color: var(--text-dim);
  background: rgba(255,255,255,0.05); padding: 1px 5px; border-radius: 3px;
}

/* Ready state */
.drop-ready { pointer-events: none; }
.file-icon  { font-size: 2.5rem; margin-bottom: 10px; }
.file-name  { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 4px; word-break: break-all; }
.file-size  { font-size: 0.8rem; color: var(--text-muted); }
.btn-clear  {
  margin-top: 14px; pointer-events: all;
  background: none; border: 1px solid var(--border);
  color: var(--text-muted); border-radius: 6px;
  padding: 5px 14px; font-size: 0.75rem; cursor: pointer;
  font-family: var(--font-body); transition: color 0.15s, border-color 0.15s;
}
.btn-clear:hover { color: var(--error); border-color: var(--error); }

/* ── Progress ─────────────────────────────────────────────────────────────── */
.progress-wrap { margin-bottom: 20px; }
.progress-track {
  height: 4px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; margin-bottom: 8px;
}
.progress-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  border-radius: 999px;
  transition: width 0.3s ease;
  position: relative;
}
.progress-fill::after {
  content: ''; position: absolute; right: 0; top: 0; bottom: 0; width: 40px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4));
  animation: shimmer 1s ease-in-out infinite;
}
@keyframes shimmer { 0%,100% { opacity: 0; } 50% { opacity: 1; } }
.progress-label { font-size: 0.78rem; color: var(--text-muted); text-align: center; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; border: none; border-radius: var(--radius-sm);
  font-family: var(--font-body); font-weight: 600;
  cursor: pointer; transition: all 0.18s;
  text-decoration: none;
}

.btn-browse {
  background: rgba(99,179,237,0.12); color: var(--accent);
  border: 1px solid rgba(99,179,237,0.25);
  padding: 9px 22px; font-size: 0.88rem;
  border-radius: 999px;
  position: relative; z-index: 2; pointer-events: all;
}
.btn-browse:hover { background: rgba(99,179,237,0.2); border-color: var(--accent); }

.btn-submit {
  width: 100%; padding: 15px 28px; font-size: 1rem;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #fff;
  border-radius: var(--radius-sm);
  position: relative; overflow: hidden;
}
.btn-submit::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12), transparent);
  opacity: 0; transition: opacity 0.2s;
}
.btn-submit:hover:not(:disabled)::before { opacity: 1; }
.btn-submit:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(99,179,237,0.3); }
.btn-submit:active:not(:disabled) { transform: translateY(0); }
.btn-submit:disabled {
  background: rgba(255,255,255,0.06);
  color: var(--text-muted); cursor: not-allowed;
}
.btn-arrow { transition: transform 0.2s; }
.btn-submit:hover:not(:disabled) .btn-arrow { transform: translateX(4px); }

.btn-retry {
  background: rgba(248,113,113,0.12); color: var(--error);
  border: 1px solid rgba(248,113,113,0.25);
  padding: 10px 24px; font-size: 0.88rem;
  border-radius: 999px; margin-top: 16px;
}
.btn-retry:hover { background: rgba(248,113,113,0.2); }

/* ── Info Row ─────────────────────────────────────────────────────────────── */
.info-row {
  margin-top: 24px; padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 8px;
}
.info-item {
  display: flex; align-items: center; gap: 9px;
  font-size: 0.78rem; color: var(--text-muted);
}
.info-icon { font-size: 0.9rem; flex-shrink: 0; }

/* ── Success extras ───────────────────────────────────────────────────────── */
.success-burst {
  position: relative; width: 80px; height: 80px;
  margin: 0 auto 20px; display: flex; align-items: center; justify-content: center;
}
.success-burst .card-icon { position: relative; z-index: 1; margin: 0; font-size: 2.4rem; }
.burst-ring {
  position: absolute; border-radius: 50%;
  border: 2px solid var(--success);
  animation: burstExpand 1.8s ease-out infinite;
}
.burst-ring-1 { width: 60px;  height: 60px;  animation-delay: 0s;    }
.burst-ring-2 { width: 80px;  height: 80px;  animation-delay: 0.35s; }
.burst-ring-3 { width: 100px; height: 100px; animation-delay: 0.7s;  }
@keyframes burstExpand {
  0%   { opacity: 0.8; transform: scale(0.6); }
  100% { opacity: 0;   transform: scale(1.4); }
}

.success-steps {
  text-align: left; margin: 24px 0;
  display: flex; flex-direction: column; gap: 10px;
}
.step {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.88rem;
}
.step-done  { color: var(--success); }
.step-pending { color: var(--text-muted); }
.step-check {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: rgba(52,211,153,0.15); border: 1px solid var(--success);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700;
}
.step-num {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-family: var(--font-mono);
}
.close-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 8px; }

/* ── Token display ────────────────────────────────────────────────────────── */
.token-display {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 14px;
  margin: 16px 0;
}
.token-display code {
  font-family: var(--font-mono); font-size: 0.82rem;
  color: var(--accent); flex: 1; word-break: break-all;
}
.copy-btn {
  background: rgba(99,179,237,0.12); color: var(--accent);
  border: 1px solid rgba(99,179,237,0.25);
  border-radius: 6px; padding: 4px 12px;
  font-size: 0.75rem; font-family: var(--font-body);
  cursor: pointer; white-space: nowrap; transition: all 0.15s;
}
.copy-btn:hover { background: rgba(99,179,237,0.22); }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.site-footer {
  padding: 28px 0 24px;
  font-size: 0.75rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 10px;
}
.footer-sep { color: var(--border); }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .card { padding: 24px 20px; }
  .card-title { font-size: 1.7rem; }
  .site-header { margin-bottom: 28px; }
  .logo-sub { display: none; }
  .card-header-row { flex-wrap: wrap; }
}