/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #0d0d1a;
  --bg-card: #13132a;
  --bg-card-hover: #1a1a35;
  --accent-purple: #c084fc;
  --accent-pink: #e879f9;
  --accent-cyan: #00e5ff;
  --text-white: #f0f0ff;
  --text-muted: #8888aa;
  --border-glow: rgba(192, 132, 252, 0.4);
  --terminal-green: #00ff88;
  --terminal-bg: #080812;
  --font-display: 'Orbitron', monospace;
  --font-body: 'Rajdhani', sans-serif;
}

html, body {
  height: 100%;
  background-color: var(--bg-dark);
  color: var(--text-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* Subtle star background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.15) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.1) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 25%, rgba(255,255,255,0.12) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 70%, rgba(255,255,255,0.08) 0%, transparent 100%),
    radial-gradient(1px 1px at 50% 90%, rgba(255,255,255,0.1) 0%, transparent 100%),
    radial-gradient(600px 600px at 20% 40%, rgba(192, 132, 252, 0.04) 0%, transparent 70%),
    radial-gradient(400px 400px at 75% 60%, rgba(0, 229, 255, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ===== HEADER ===== */
.header {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 24px 20px;
  gap: 16px;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}

.logo-zero {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--text-white);
}

.logo-o {
  display: inline-block;
  width: 1.8rem;
  height: 1.8rem;
  line-height: 1.8rem;
  text-align: center;
  border: 2.5px solid var(--accent-purple);
  border-radius: 50%;
  color: var(--accent-purple);
  margin: 0 2px;
  vertical-align: middle;
  box-shadow: 0 0 10px var(--accent-purple);
}

.logo-threat {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.5em;
  color: var(--text-muted);
  margin-top: 2px;
}

.header-title h1 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  font-weight: 700;
  text-align: center;
  line-height: 1.4;
  color: var(--text-white);
  letter-spacing: 0.05em;
}

/* ===== TOOLS GRID ===== */
.tools-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px 16px;
  max-width: 900px;
  margin: 32px auto;
  padding: 0 24px;
}

/* ===== TOOL CARD ===== */
.tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: transform 0.25s ease;
}

.tool-card:hover {
  transform: translateY(-6px);
}

.tool-card:hover .tool-icon-wrapper {
  box-shadow:
    0 0 0 2px var(--accent-purple),
    0 0 20px rgba(192, 132, 252, 0.5),
    0 0 40px rgba(192, 132, 252, 0.2);
}

/* Dashed ring wrapper */
.tool-icon-wrapper {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px dashed rgba(192, 132, 252, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: box-shadow 0.3s ease;
  position: relative;
}

.tool-icon-wrapper::after {
  content: '';
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 14px;
  background: var(--accent-purple);
  opacity: 0.6;
}

/* Inner solid circle */
.tool-icon {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid rgba(192, 132, 252, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tool-icon img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.tool-icon svg {
  width: 44px;
  height: 44px;
}

.fallback-icon {
  font-size: 2rem;
}

/* ZeroThreat specific icon */
.zerothreat-icon {
  position: relative;
  background: var(--bg-card);
}

.zt-outer-ring {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid var(--accent-purple);
  position: absolute;
  box-shadow: 0 0 10px var(--accent-purple);
}

.zt-inner-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-purple);
  box-shadow: 0 0 8px var(--accent-purple);
}

.tool-name {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-white);
  text-align: center;
  letter-spacing: 0.04em;
}

/* ===== MODAL OVERLAY ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

/* ===== TERMINAL MODAL ===== */
.terminal-modal {
  width: min(760px, 95vw);
  height: min(500px, 80vh);
  background: var(--terminal-bg);
  border: 1px solid rgba(192, 132, 252, 0.4);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  box-shadow:
    0 0 0 1px rgba(192, 132, 252, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.8),
    0 0 40px rgba(192, 132, 252, 0.15);
  animation: terminalOpen 0.2s ease;
  overflow: hidden;
}

@keyframes terminalOpen {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}

/* Terminal top bar */
.terminal-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: #111120;
  border-bottom: 1px solid rgba(192, 132, 252, 0.2);
  flex-shrink: 0;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green  { background: #27c93f; }

.terminal-title {
  flex: 1;
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
  transition: color 0.2s;
}
.close-btn:hover { color: var(--text-white); }

/* Terminal body */
.terminal-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px 18px;
  overflow: hidden;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.82rem;
}

.terminal-output {
  flex: 1;
  overflow-y: auto;
  color: var(--terminal-green);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  scrollbar-width: thin;
  scrollbar-color: rgba(192, 132, 252, 0.3) transparent;
}

.terminal-output::-webkit-scrollbar { width: 5px; }
.terminal-output::-webkit-scrollbar-thumb { background: rgba(192, 132, 252, 0.3); border-radius: 3px; }

.terminal-output .line-cmd   { color: #f0f0ff; }
.terminal-output .line-out   { color: var(--terminal-green); }
.terminal-output .line-error { color: #ff6b6b; }
.terminal-output .line-info  { color: #00e5ff; }

.terminal-input-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  border-top: 1px solid rgba(192, 132, 252, 0.1);
  padding-top: 8px;
}

.prompt {
  color: var(--accent-purple);
  white-space: nowrap;
  font-size: 0.82rem;
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-white);
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.82rem;
  caret-color: var(--terminal-green);
}

/* ===== FOOTER ===== */
.footer {
  position: relative;
  z-index: 1;
  text-align: right;
  padding: 16px 32px 24px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 12px;
  }

  .tool-icon-wrapper {
    width: 80px;
    height: 80px;
  }

  .tool-icon {
    width: 60px;
    height: 60px;
  }

  .tool-icon svg,
  .tool-icon img {
    width: 34px;
    height: 34px;
  }
}

@media (max-width: 400px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}