/* ═══════════════════════════════════════════════════
   COMPONENTS.CSS — Cards, Buttons, Badges, Tables
   NetworkSecurity IDS Dashboard
═══════════════════════════════════════════════════ */

/* ── Stat Cards ─────────────────────────────────── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--card-accent, var(--grad-cyan));
}

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--glow-cyan);
}

.stat-card.accent-green::before  { background: var(--grad-green); }
.stat-card.accent-green:hover    { border-color: var(--accent-green); box-shadow: var(--glow-green); }
.stat-card.accent-red::before    { background: var(--grad-red); }
.stat-card.accent-red:hover      { border-color: var(--accent-red); box-shadow: var(--glow-red); }
.stat-card.accent-purple::before { background: var(--grad-purple); }
.stat-card.accent-purple:hover   { border-color: var(--accent-purple); box-shadow: var(--glow-blue); }

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.stat-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  background: var(--icon-bg, rgba(0,212,255,0.12));
  color: var(--icon-color, var(--accent-cyan));
}

.stat-icon.green  { background: rgba(0,230,118,0.12); color: var(--accent-green); }
.stat-icon.red    { background: rgba(255,71,87,0.12);  color: var(--accent-red); }
.stat-icon.purple { background: rgba(165,94,234,0.12); color: var(--accent-purple); }

.stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-change {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--space-xs);
}

.stat-change .up   { color: var(--accent-green); }
.stat-change .down { color: var(--accent-red); }

/* ── Cards ───────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.card-body {
  padding: var(--space-lg);
}

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity 0.2s;
}

.btn:hover::after { opacity: 0.07; }
.btn:active       { transform: scale(0.97); }

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: 0 4px 16px var(--btn-primary-shadow);
}

.btn-primary:hover { 
  box-shadow: 0 6px 24px var(--btn-primary-shadow); 
  transform: translateY(-1px);
}

.btn-success {
  background: var(--grad-green);
  color: #000;
  box-shadow: 0 4px 16px rgba(0,230,118,0.25);
}

.btn-success:hover { box-shadow: 0 6px 24px rgba(0,230,118,0.4); }

.btn-danger {
  background: var(--grad-red);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,71,87,0.25);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-lg { padding: 13px 28px; font-size: 15px; border-radius: var(--radius-md); }
.btn-sm { padding: 5px 12px; font-size: 12px; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Badges ──────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-success {
  background: rgba(0,230,118,0.15);
  color: var(--accent-green);
  border: 1px solid rgba(0,230,118,0.3);
}

.badge-danger {
  background: rgba(255,71,87,0.15);
  color: var(--accent-red);
  border: 1px solid rgba(255,71,87,0.3);
}

.badge-warning {
  background: rgba(255,165,2,0.15);
  color: var(--accent-orange);
  border: 1px solid rgba(255,165,2,0.3);
}

.badge-info {
  background: rgba(0,212,255,0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0,212,255,0.3);
}

.badge-purple {
  background: rgba(165,94,234,0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(165,94,234,0.3);
}

/* ── Progress Bars ───────────────────────────────── */
.progress-bar-wrap {
  background: var(--bg-hover-strong);
  border-radius: 999px;
  height: 6px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--grad-cyan);
  transition: width 1s ease;
}

.progress-bar-fill.green  { background: var(--grad-green); }
.progress-bar-fill.red    { background: var(--grad-red); }
.progress-bar-fill.purple { background: var(--grad-purple); }

/* ── Tables ──────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.results-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.results-table th,
.data-table th {
  background: rgba(0,212,255,0.07);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.results-table td,
.data-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--bg-hover-subtle);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
}

.results-table tr:last-child td,
.data-table tr:last-child td {
  border-bottom: none;
}

.results-table tr:hover td,
.data-table tr:hover td {
  background: rgba(0,212,255,0.04);
}

/* ── Alerts ──────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.5;
}

.alert-success { background: rgba(0,230,118,0.08); border: 1px solid rgba(0,230,118,0.25); color: var(--accent-green); }
.alert-danger  { background: rgba(255,71,87,0.08);  border: 1px solid rgba(255,71,87,0.25);  color: var(--accent-red); }
.alert-info    { background: rgba(0,212,255,0.08);  border: 1px solid rgba(0,212,255,0.25);  color: var(--accent-cyan); }
.alert-warning { background: rgba(255,165,2,0.08); border: 1px solid rgba(255,165,2,0.25); color: var(--accent-orange); }

/* ── Form Elements ───────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.form-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 14px;
  transition: var(--transition);
  width: 100%;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}

/* ── File Upload Drop Zone ───────────────────────── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-input);
  position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent-cyan);
  background: rgba(0,212,255,0.04);
  box-shadow: var(--glow-cyan);
}

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

.upload-icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
  display: block;
}

.upload-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.upload-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Loading Spinner ─────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0,212,255,0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Activity Feed ───────────────────────────────── */
.activity-feed { display: flex; flex-direction: column; gap: var(--space-sm); }

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--bg-hover-subtle);
}

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.activity-dot.green  { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); }
.activity-dot.red    { background: var(--accent-red);   box-shadow: 0 0 6px var(--accent-red); }
.activity-dot.cyan   { background: var(--accent-cyan);  box-shadow: 0 0 6px var(--accent-cyan); }
.activity-dot.orange { background: var(--accent-orange); box-shadow: 0 0 6px var(--accent-orange); }

.activity-text { font-size: 13px; color: var(--text-primary); }
.activity-time { font-size: 11px; color: var(--text-muted); margin-top: 2px; font-family: var(--font-mono); }

/* ── Metric Row ──────────────────────────────────── */
.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--bg-hover-subtle);
}

.metric-row:last-child { border-bottom: none; }

.metric-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ── Tooltip ─────────────────────────────────────── */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #1e2535;
  color: var(--text-primary);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 999;
}
[data-tooltip]:hover::after { opacity: 1; }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .sidebar { transform: translateX(-100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px); }
  .main-content { margin-left: 0; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .page-content { padding: var(--space-md); }
}