*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Dark theme (default) ── */
:root {
  --bg:           #0d0d14;
  --bg2:          #12121e;
  --card:         #16162a;
  --card-border:  #252545;
  --card-hover:   #1c1c35;
  --accent:       #a855f7;
  --accent2:      #7c3aed;
  --accent-glow:  rgba(168,85,247,0.15);
  --accent-grad:  linear-gradient(135deg, #7c3aed, #a855f7);
  --green:        #22d3a5;
  --green-bg:     rgba(34,211,165,0.08);
  --green-border: rgba(34,211,165,0.22);
  --red:          #f43f5e;
  --red-bg:       rgba(244,63,94,0.08);
  --red-border:   rgba(244,63,94,0.2);
  --text:         #e2e0f0;
  --text-muted:   #5a5878;
  --text-dim:     #9896b8;
  --shadow:       rgba(0,0,0,0.5);
  --radius:       12px;
  --radius-sm:    8px;
  --mono:         'JetBrains Mono', monospace;
  --transition:   0.22s ease;
}

/* ── Light theme ── */
[data-theme="light"] {
  --bg:           #f4f3ff;
  --bg2:          #ebe9ff;
  --card:         #ffffff;
  --card-border:  #d8d4f0;
  --card-hover:   #f0eeff;
  --accent:       #7c3aed;
  --accent2:      #6d28d9;
  --accent-glow:  rgba(124,58,237,0.12);
  --accent-grad:  linear-gradient(135deg, #6d28d9, #7c3aed);
  --green:        #059669;
  --green-bg:     rgba(5,150,105,0.08);
  --green-border: rgba(5,150,105,0.25);
  --red:          #dc2626;
  --red-bg:       rgba(220,38,38,0.07);
  --red-border:   rgba(220,38,38,0.2);
  --text:         #1e1b3a;
  --text-muted:   #9590b8;
  --text-dim:     #5a5378;
  --shadow:       rgba(100,90,160,0.12);
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

/* Grid background */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(168,85,247,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168,85,247,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--transition);
}

[data-theme="light"] .bg-grid {
  background-image:
    linear-gradient(rgba(124,58,237,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.05) 1px, transparent 1px);
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  position: relative;
  z-index: 1;
}

/* ── Header ── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.logo { display: flex; align-items: center; gap: 14px; }

.logo-icon {
  width: 52px; height: 52px;
  background: var(--accent-grad);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 0 24px rgba(168,85,247,0.3);
}

.header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
}

.accent { color: var(--accent); }

.tagline {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-badge {
  display: flex; align-items: center; gap: 7px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* Theme toggle button */
.theme-toggle {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }

[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Status dot */
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 12px var(--shadow);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card-header h2 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 1.25rem;
}

/* ── Form ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full-width { grid-column: 1 / -1; }

label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.input-wrapper { position: relative; }

.input-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

input[type="text"],
input[type="number"] {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.92rem;
  padding: 10px 14px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
}

.input-wrapper input[type="text"] { padding-left: 38px; }

input[type="text"]:focus,
input[type="number"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input::placeholder { color: var(--text-muted); }

/* ── Presets ── */
.presets {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 1.25rem;
}

.presets-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.preset-btn {
  background: var(--bg2);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  color: var(--text-dim);
  font-size: 0.78rem;
  font-family: inherit;
  padding: 5px 13px;
  cursor: pointer;
  transition: all var(--transition);
}

.preset-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ── Action Buttons ── */
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 1.5rem;
}

.btn-scan {
  display: flex; align-items: center; gap: 8px;
  background: var(--accent-grad);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 11px 24px;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(124,58,237,0.35);
}

.btn-scan:hover  { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(124,58,237,0.45); }
.btn-scan:active { transform: translateY(0); }
.btn-scan:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-stop {
  display: flex; align-items: center; gap: 8px;
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  border-radius: var(--radius-sm);
  color: var(--red);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 11px 20px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-stop:hover { background: rgba(244,63,94,0.14); }

.hidden { display: none !important; }

/* ── Progress ── */
.progress-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 12px var(--shadow);
  transition: background var(--transition), border-color var(--transition);
}

.progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

#progressPct { font-weight: 700; color: var(--accent); }

.progress-bar-wrap {
  height: 7px;
  background: var(--bg2);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-grad);
  border-radius: 4px;
  transition: width 0.3s ease;
  box-shadow: 0 0 12px rgba(168,85,247,0.5);
}

.progress-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

#openCount   { color: var(--green); font-weight: 600; }
#closedCount { color: var(--red);   font-weight: 600; }

/* ── Error ── */
.error-banner {
  display: flex; align-items: center; gap: 10px;
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  border-radius: var(--radius-sm);
  color: var(--red);
  font-size: 0.875rem;
  padding: 12px 16px;
  margin-bottom: 1.25rem;
}

/* ── Summary cards ── */
.results-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.summary-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  text-align: center;
  box-shadow: 0 2px 12px var(--shadow);
  transition: background var(--transition), border-color var(--transition);
}

.summary-card.open {
  border-color: var(--green-border);
  background: linear-gradient(135deg, var(--card), var(--green-bg));
}
.summary-card.closed {
  border-color: var(--red-border);
  background: linear-gradient(135deg, var(--card), var(--red-bg));
}
.summary-card.total {
  border-color: rgba(168,85,247,0.25);
  background: linear-gradient(135deg, var(--card), rgba(168,85,247,0.06));
}

.summary-number {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
  color: var(--text);
}

.summary-card.open    .summary-number { color: var(--green); }
.summary-card.closed  .summary-number { color: var(--red); }
.summary-card.total   .summary-number { color: var(--accent); }

.summary-number.mono {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--accent);
  word-break: break-all;
  line-height: 1.4;
}

.summary-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 5px;
  margin-bottom: 1rem;
  box-shadow: 0 2px 8px var(--shadow);
}

.tab-btn {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 10px 16px;
  cursor: pointer;
  transition: all var(--transition);
}

.tab-btn.active {
  background: var(--bg2);
  color: var(--text);
  box-shadow: 0 1px 5px var(--shadow);
}

.tab-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.tab-dot.open   { background: var(--green); box-shadow: 0 0 6px var(--green); }
.tab-dot.closed { background: var(--red); }

.tab-count {
  background: var(--bg);
  border-radius: 10px;
  padding: 1px 7px;
  font-size: 0.72rem;
  font-weight: 600;
}

.tab-btn.active .tab-count { background: var(--accent); color: #fff; }

/* ── Search row ── */
.search-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
}

.search-wrap { flex: 1; position: relative; }

.search-wrap svg {
  position: absolute;
  left: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-wrap input { padding-left: 34px; }

.btn-export {
  display: flex; align-items: center; gap: 6px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.82rem;
  padding: 9px 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}

.btn-export:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

/* ── Table ── */
.table-wrap {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--shadow);
}

table { width: 100%; border-collapse: collapse; }

thead th {
  background: var(--bg2);
  padding: 11px 16px;
  text-align: left;
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--card-border);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

thead th:hover { color: var(--text); }
.sort-icon { opacity: 0.35; margin-left: 4px; }

tbody tr {
  border-bottom: 1px solid var(--card-border);
  transition: background var(--transition);
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--card-hover); }

tbody td { padding: 11px 16px; font-size: 0.88rem; }

.port-num {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.service-name { color: var(--text-dim); }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  border-radius: 20px;
  font-size: 0.73rem;
  font-weight: 700;
  padding: 3px 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge-open {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid var(--green-border);
}

.badge-closed {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid var(--red-border);
}

.badge-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px;
  padding: 3rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ── Animations ── */
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }

/* ── Login page ── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
}

.login-theme-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 2.2rem 2rem;
  box-shadow: 0 8px 40px var(--shadow);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 2rem;
}

.login-logo-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  flex-shrink: 0;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.login-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.login-btn {
  width: 100%;
  justify-content: center;
  margin-top: 1.5rem;
  padding: 12px;
  font-size: 0.95rem;
}

.login-hint {
  margin-top: 1.2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.login-hint code {
  font-family: var(--mono);
  color: var(--accent);
  background: var(--accent-glow);
  padding: 1px 5px;
  border-radius: 4px;
}

/* Password toggle */
.pw-toggle {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
}

.pw-toggle:hover { color: var(--accent); }

/* ── Flash messages ── */
.flash {
  display: flex;
  align-items: center;
  gap: 9px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  padding: 11px 15px;
  margin-bottom: 1rem;
}

.flash-error {
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  color: var(--red);
}

.flash-success {
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  color: var(--green);
}

/* ── Navigation buttons ── */
.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 14px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.btn-nav:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

.btn-logout-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  border-radius: var(--radius-sm);
  color: var(--red);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 14px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.btn-logout-sm:hover { background: rgba(244,63,94,0.15); }

/* ── User / role display ── */
.user-label {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text);
}

.role-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.role-admin {
  background: rgba(168,85,247,0.12);
  color: var(--accent);
  border: 1px solid rgba(168,85,247,0.3);
}

.role-user {
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid var(--green-border);
}

/* ── Admin panel ── */
.admin-form-grid {
  grid-template-columns: 1fr 1fr 1fr auto;
  align-items: end;
}

.form-group-btn {
  justify-content: flex-end;
}

select {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.92rem;
  padding: 10px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239896b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.user-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 1px 7px;
  margin-left: 6px;
  text-transform: none;
  letter-spacing: 0;
}

.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent-grad);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  margin-right: 8px;
  flex-shrink: 0;
}

.mono-text {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text);
}

.you-badge {
  display: inline;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg2);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1px 6px;
  margin-left: 6px;
  vertical-align: middle;
}

.text-muted { color: var(--text-muted); font-size: 0.85rem; }

.inline-form { display: inline; }

.pw-change-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.pw-change-row input {
  flex: 1;
  padding: 7px 10px;
  font-size: 0.82rem;
}

.btn-icon-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background: var(--accent-glow);
  border: 1px solid rgba(168,85,247,0.3);
  border-radius: var(--radius-sm);
  color: var(--accent);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}

.btn-icon-action:hover { background: rgba(168,85,247,0.25); }

.locked-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 10px;
  font-size: 0.66rem;
  font-weight: 700;
  padding: 2px 7px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(251,191,36,0.12);
  color: #fbbf24;
  border: 1px solid rgba(251,191,36,0.3);
  margin-left: 6px;
  vertical-align: middle;
}

.action-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.btn-unlock {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(251,191,36,0.1);
  border: 1px solid rgba(251,191,36,0.3);
  border-radius: var(--radius-sm);
  color: #fbbf24;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-unlock:hover { background: rgba(251,191,36,0.2); }

.btn-delete {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  border-radius: var(--radius-sm);
  color: var(--red);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-delete:hover { background: rgba(244,63,94,0.16); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .admin-form-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .form-grid         { grid-template-columns: 1fr; }
  .admin-form-grid   { grid-template-columns: 1fr; }
  .results-summary   { grid-template-columns: 1fr 1fr; }
  .header-badge      { display: none; }
  .header h1         { font-size: 1.3rem; }
  .btn-nav span,
  .btn-logout-sm span { display: none; }
}