@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Inter:wght@400;600;800&display=swap");

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

:root {
  --bg: #080b10;
  --surface: #0f1318;
  --surface2: #151b24;
  --border: #1e2533;
  --green: #00ff88;
  --red: #ff4757;
  --yellow: #ffd32a;
  --blue: #3d9eff;
  --orange: #ff6b35;
  --purple: #a855f7;
  --cyan: #22d3ee;
  --text: #e2e8f0;
  --muted: #4a5568;
}

/* ── Base ─────────────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
  min-height: 100vh;
  padding: 28px 20px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Header ───────────────────────────────────────────────── */
h1 {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, #3d9eff, #00ff88);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
  margin-bottom: 4px;
}
.subtitle {
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
  margin-bottom: 6px;
}
.badge-real {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--green);
  border-radius: 20px;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 28px;
}

/* ── Layout ───────────────────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: 1060px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 680px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

/* ── Steps / Buttons ──────────────────────────────────────── */
.steps {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.step-btn {
  flex: 1;
  min-width: 140px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.step-btn .num {
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.step-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}
.step-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.s1 {
  border-color: var(--green);
}
.s1:hover:not(:disabled) {
  background: rgba(0, 255, 136, 0.07);
}
.s2 {
  border-color: var(--red);
}
.s2:hover:not(:disabled) {
  background: rgba(255, 71, 87, 0.07);
}
.s3 {
  border-color: var(--yellow);
}
.s3:hover:not(:disabled) {
  background: rgba(255, 211, 42, 0.07);
}
.s4 {
  border-color: var(--orange);
}
.s4:hover:not(:disabled) {
  background: rgba(255, 107, 53, 0.07);
}

.btn-reset {
  padding: 12px 20px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-family: "Inter", sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-reset:hover {
  border-color: var(--blue);
  color: var(--blue);
}

/* ── Panel ────────────────────────────────────────────────── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
.panel-title {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 14px;
}

/* ── Hex Dump ─────────────────────────────────────────────── */
.hex-table {
  width: 100%;
  border-collapse: collapse;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
}
.hex-table td {
  padding: 3px 6px;
}
.hex-addr {
  color: var(--muted);
  min-width: 80px;
  user-select: none;
}
.hex-bytes {
  letter-spacing: 2px;
}
.hex-ascii {
  color: var(--muted);
  padding-left: 12px !important;
  letter-spacing: 1px;
  border-left: 1px solid var(--border);
}
.hex-divider {
  border-right: 1px solid var(--border);
  padding-right: 10px;
}

/* Byte color classes */
.byte-normal {
  color: #4a5568;
}
.byte-magic {
  color: var(--green);
  font-weight: 700;
}
.byte-name {
  color: var(--cyan);
}
.byte-vtable {
  color: var(--yellow);
  font-weight: 700;
}
.byte-freed {
  color: var(--red);
}
.byte-attacker {
  color: var(--orange);
  font-weight: 700;
}
.byte-fakevt {
  color: #ff3860;
  font-weight: 700;
  animation: blink 0.7s infinite;
}
.byte-zero {
  color: #1e2533;
}

/* Row highlights */
.row-active {
  background: rgba(61, 158, 255, 0.05);
}
.row-freed {
  background: rgba(255, 71, 87, 0.04);
}
.row-hijack {
  background: rgba(255, 107, 53, 0.06);
}

/* ── Legend ───────────────────────────────────────────────── */
.legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
}
.lg-item {
  display: flex;
  gap: 6px;
  align-items: center;
}
.lg-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* ── Struct Inspector ─────────────────────────────────────── */
.struct-field {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  margin-bottom: 7px;
  transition: all 0.4s;
}
.sf-offset {
  color: var(--muted);
  min-width: 36px;
}
.sf-label {
  color: var(--muted);
  min-width: 90px;
  font-size: 0.7rem;
}
.sf-value {
  flex: 1;
  font-weight: 700;
  transition: color 0.4s;
}
.sf-size {
  font-size: 0.65rem;
  color: var(--muted);
}

/* ── Pointer Panel ────────────────────────────────────────── */
.ptr-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  margin-bottom: 10px;
  transition: all 0.4s;
}
.ptr-name {
  color: var(--muted);
  min-width: 80px;
}
.ptr-eq {
  color: var(--muted);
}
.ptr-val {
  font-weight: 700;
  flex: 1;
  transition: color 0.4s;
}
.ptr-status {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 600;
}
.st-valid {
  background: rgba(0, 255, 136, 0.1);
  color: var(--green);
}
.st-dangle {
  background: rgba(255, 71, 87, 0.1);
  color: var(--red);
}
.st-danger {
  background: rgba(255, 107, 53, 0.15);
  color: var(--orange);
  animation: blink 0.7s infinite;
}

/* ── vtable display ───────────────────────────────────────── */
.vtable-row {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  transition: all 0.4s;
}
.vt-label {
  color: var(--muted);
  min-width: 100px;
}
.vt-val {
  font-weight: 700;
  flex: 1;
}
.vt-fn {
  font-size: 0.72rem;
  color: var(--muted);
}

/* ── Log ──────────────────────────────────────────────────── */
.log-area {
  background: #060810;
  border-radius: 10px;
  padding: 14px;
  min-height: 120px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 220px;
  overflow-y: auto;
}
.le {
  display: flex;
  gap: 10px;
  opacity: 0;
  transform: translateY(4px);
  animation: fi 0.3s forwards;
}
.lt {
  color: var(--muted);
  min-width: 52px;
}
.lm {
  flex: 1;
}
.c-ok {
  color: var(--green);
}
.c-warn {
  color: var(--yellow);
}
.c-err {
  color: var(--red);
}
.c-danger {
  color: var(--orange);
  font-weight: 700;
}
.c-dim {
  color: var(--muted);
}

/* ── Modal ────────────────────────────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.overlay.show {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  max-width: 480px;
  width: 92%;
  transform: scale(0.92);
  transition: transform 0.3s;
  text-align: center;
}
.overlay.show .modal {
  transform: scale(1);
}

.modal-icon {
  font-size: 2.8rem;
  margin-bottom: 12px;
}
.modal-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.modal-pre {
  background: #060810;
  border-radius: 8px;
  padding: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  text-align: left;
  margin-bottom: 14px;
  color: var(--text);
  white-space: pre;
  overflow-x: auto;
}
.modal-body {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 22px;
}
.modal-btn {
  background: linear-gradient(135deg, var(--blue), var(--green));
  border: none;
  border-radius: 10px;
  padding: 11px 30px;
  color: #000;
  font-family: "Inter", sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
}
.modal-btn:hover {
  opacity: 0.85;
}

/* ── Animations ───────────────────────────────────────────── */
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}
@keyframes fi {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* ── Welcome Modal ────────────────────────────────────────── */
.welcome-modal {
  max-width: 620px !important;
  text-align: center;
}

.welcome-icon {
  font-size: 3.2rem;
  margin-bottom: 10px;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0);    }
  50%       { transform: translateY(-8px); }
}

.welcome-subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--blue);
  margin-bottom: 24px;
  letter-spacing: 1px;
}

/* 2×2 info card grid */
.welcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
  text-align: left;
}

@media (max-width: 500px) {
  .welcome-grid { grid-template-columns: 1fr; }
}

.welcome-card {
  background: var(--surface2);
  border-radius: 12px;
  padding: 14px;
  border-left: 3px solid var(--border);
  transition: transform 0.2s;
}
.welcome-card:hover { transform: translateY(-2px); }

.card-what  { border-left-color: var(--blue);   }
.card-how   { border-left-color: var(--cyan);   }
.card-safe  { border-left-color: var(--green);  }
.card-steps { border-left-color: var(--yellow); }

.wc-icon  { font-size: 1.4rem; margin-bottom: 6px; }
.wc-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.wc-body {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.55;
}
.wc-body strong { color: var(--text); }
.wc-body code {
  background: rgba(61,158,255,0.1);
  color: var(--blue);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.74rem;
}

.welcome-note {
  font-size: 0.75rem;
  color: var(--yellow);
  background: rgba(255,211,42,0.07);
  border: 1px solid rgba(255,211,42,0.2);
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 22px;
  letter-spacing: 0.3px;
}

/* Overview text block */
.welcome-overview {
  text-align: left;
  margin-bottom: 20px;
}
.welcome-overview p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 12px;
}
.welcome-overview p strong { color: var(--text); }
.welcome-overview p code {
  background: rgba(61,158,255,0.1);
  color: var(--blue);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
}

/* 4-step flow row */
.welcome-steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
  padding: 12px 14px;
  background: var(--surface2);
  border-radius: 10px;
  border: 1px solid var(--border);
}
.ws {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
}
.ws-arr {
  color: var(--muted);
  font-size: 0.75rem;
}