/* ============================================================
   ShubhaNet IPAM — NOC Dark Theme
   Fonts: JetBrains Mono (data) + Syne (UI labels)
   ============================================================ */

:root {
  --bg-base:       #0a0d12;
  --bg-surface:    #111620;
  --bg-card:       #151c28;
  --bg-hover:      #1a2235;
  --border:        #1e2d45;
  --border-bright: #2a3f60;

  --text-primary:  #e2eaf8;
  --text-muted:    #5a7299;
  --text-dim:      #3a5070;

  --accent:        #00aaff;
  --accent-glow:   rgba(0,170,255,0.15);

  /* Chromatic Semantics (spec §3.1) */
  --active:        #198754;
  --active-bg:     rgba(25,135,84,0.12);
  --reserved:      #FFC107;
  --reserved-bg:   rgba(255,193,7,0.12);
  --decomm:        #DC3545;
  --decomm-bg:     rgba(220,53,69,0.12);
  --available:     #4a6080;
  --available-bg:  rgba(74,96,128,0.08);

  --sidebar-w: 240px;
  --topbar-h:  60px;

  --font-ui:   'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html, body {
  height: 100%;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.6;
}

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

/* ══════════════════════════════════════════════════════════════
   SIDEBAR
══════════════════════════════════════════════════════════════ */
.sidebar {
  position: fixed; top: 0; left: 0;
  width: var(--sidebar-w); height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 100;
}

.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.brand-icon { font-size: 28px; color: var(--accent); line-height: 1; }
.brand-name { font-size: 16px; font-weight: 800; letter-spacing: 0.05em; color: var(--text-primary); }
.brand-sub  { font-size: 10px; font-family: var(--font-mono); color: var(--text-muted); }

.nav-menu { list-style: none; padding: 12px 0; flex: 1; overflow-y: auto; }
.nav-item a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.03em;
  border-left: 3px solid transparent;
  transition: all 0.15s ease;
}
.nav-item a:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-left-color: var(--border-bright);
}
.nav-item.active a {
  color: var(--accent);
  background: var(--accent-glow);
  border-left-color: var(--accent);
}
.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}
.user-badge { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.user-avatar {
  width: 34px; height: 34px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800;
}
.user-name { font-size: 12px; font-weight: 700; }
.user-role { font-size: 10px; font-family: var(--font-mono); margin-top: 1px; }
.user-role.role-0 { color: #ff6b6b; }
.user-role.role-1 { color: var(--accent); }
.user-role.role-2 { color: var(--text-muted); }

.logout-btn {
  display: block; text-align: center;
  padding: 7px; border-radius: 6px;
  background: rgba(220,53,69,0.1); color: #ff6b6b;
  text-decoration: none; font-size: 12px; font-weight: 700;
  letter-spacing: 0.05em;
  border: 1px solid rgba(220,53,69,0.2);
  transition: all 0.15s;
}
.logout-btn:hover { background: rgba(220,53,69,0.2); }

/* ══════════════════════════════════════════════════════════════
   MAIN LAYOUT
══════════════════════════════════════════════════════════════ */
.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex; flex-direction: column;
}

.topbar {
  height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.page-title { font-size: 18px; font-weight: 800; letter-spacing: 0.04em; }
.topbar-meta { display: flex; align-items: center; gap: 16px; }
.clock { font-family: var(--font-mono); font-size: 13px; color: var(--accent); letter-spacing: 0.08em; }

.content-body { padding: 28px; flex: 1; }

/* ══════════════════════════════════════════════════════════════
   CARDS
══════════════════════════════════════════════════════════════ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.card-title {
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 16px;
}

/* ── Stat Grid ─────────────────────────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px 20px;
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
}
.stat-card.available::before { background: var(--available); }
.stat-card.active::before    { background: var(--active); }
.stat-card.reserved::before  { background: var(--reserved); }
.stat-card.decomm::before    { background: var(--decomm); }

.stat-label { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.stat-value { font-family: var(--font-mono); font-size: 32px; font-weight: 700; margin: 4px 0; }
.stat-card.available .stat-value { color: var(--text-primary); }
.stat-card.active    .stat-value { color: var(--active); }
.stat-card.reserved  .stat-value { color: var(--reserved); }
.stat-card.decomm    .stat-value { color: var(--decomm); }
.stat-pct { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }

/* ══════════════════════════════════════════════════════════════
   TABLE
══════════════════════════════════════════════════════════════ */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  padding: 10px 14px;
  text-align: left; font-size: 10px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  position: sticky; top: 0;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background 0.1s; }
tbody tr:hover { background: var(--bg-hover); }
tbody td { padding: 10px 14px; font-family: var(--font-mono); font-size: 12px; }

/* ── Status Badge ─────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 3px 9px; border-radius: 4px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.badge-available    { background: var(--available-bg); color: var(--available); border: 1px solid var(--available); }
.badge-active       { background: var(--active-bg);    color: var(--active);    border: 1px solid var(--active); }
.badge-reserved     { background: var(--reserved-bg);  color: var(--reserved);  border: 1px solid var(--reserved); }
.badge-decommissioned { background: var(--decomm-bg);  color: var(--decomm);    border: 1px solid var(--decomm); }

/* ══════════════════════════════════════════════════════════════
   FORMS & INPUTS
══════════════════════════════════════════════════════════════ */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px; }
.form-control {
  width: 100%; padding: 9px 12px;
  background: var(--bg-surface); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: 6px;
  font-family: var(--font-mono); font-size: 13px;
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-control:disabled { opacity: 0.5; cursor: not-allowed; }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: 6px; font-size: 12px;
  font-weight: 700; font-family: var(--font-ui); letter-spacing: 0.05em;
  cursor: pointer; border: none; text-decoration: none;
  transition: all 0.15s; white-space: nowrap;
}
.btn-primary   { background: var(--accent); color: #000; }
.btn-primary:hover { opacity: 0.85; }
.btn-success   { background: var(--active); color: #fff; }
.btn-success:hover { opacity: 0.85; }
.btn-warning   { background: var(--reserved); color: #000; }
.btn-warning:hover { opacity: 0.85; }
.btn-danger    { background: var(--decomm); color: #fff; }
.btn-danger:hover { opacity: 0.85; }
.btn-ghost {
  background: transparent; color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 5px 12px; font-size: 11px; }

/* ── Search Bar ───────────────────────────────────────────── */
.search-wrap { position: relative; margin-bottom: 20px; }
.search-wrap .form-control { padding-left: 36px; }
.search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-dim); font-size: 15px; pointer-events: none;
}
.search-hint {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
  margin-top: 6px;
}

/* ── Alert / Notice ───────────────────────────────────────── */
.alert { padding: 12px 16px; border-radius: 7px; font-size: 13px; margin-bottom: 18px; border-left: 3px solid; }
.alert-success { background: var(--active-bg);   border-color: var(--active);   color: #5dba8f; }
.alert-warning { background: var(--reserved-bg); border-color: var(--reserved); color: #ffd54f; }
.alert-danger  { background: var(--decomm-bg);   border-color: var(--decomm);   color: #ff6b6b; }
.alert-info    { background: var(--accent-glow);  border-color: var(--accent);   color: var(--accent); }

/* ── Modal ─────────────────────────────────────────────────── */
.modal-backdrop {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.7); z-index: 500;
  align-items: center; justify-content: center;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--bg-card); border: 1px solid var(--border-bright);
  border-radius: 12px; width: 90%; max-width: 560px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
  animation: modal-in 0.2s ease;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(-16px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 15px; font-weight: 800; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 20px; cursor: pointer; }
.modal-body  { padding: 22px; }
.modal-footer { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── Pagination ───────────────────────────────────────────── */
.pagination { display: flex; align-items: center; gap: 6px; padding: 16px 0; justify-content: center; }
.pagination a, .pagination span {
  padding: 6px 11px; border-radius: 5px; font-size: 12px; font-family: var(--font-mono);
  text-decoration: none; border: 1px solid var(--border); color: var(--text-muted);
}
.pagination a:hover  { border-color: var(--accent); color: var(--accent); }
.pagination .current { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 700; }

/* ── Toolbar ──────────────────────────────────────────────── */
.toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }

/* ── Login Page ───────────────────────────────────────────── */
body.login-page {
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-base);
  background-image: radial-gradient(ellipse at 20% 50%, rgba(0,170,255,0.04) 0%, transparent 60%),
                    radial-gradient(ellipse at 80% 20%, rgba(0,170,255,0.03) 0%, transparent 50%);
}
.login-box {
  width: 380px; background: var(--bg-surface);
  border: 1px solid var(--border); border-radius: 14px;
  padding: 36px; box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .icon { font-size: 40px; color: var(--accent); }
.login-logo h1 { font-size: 20px; font-weight: 800; margin-top: 8px; }
.login-logo p  { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); }

/* ── Log Table Specific ───────────────────────────────────── */
.log-action { font-family: var(--font-mono); font-size: 10px; font-weight: 700; text-transform: uppercase; }
.log-action.assigned      { color: var(--active); }
.log-action.updated       { color: var(--accent); }
.log-action.reserved      { color: var(--reserved); }
.log-action.decommissioned{ color: var(--decomm); }
.log-action.restored      { color: #a8edea; }

/* ── Usage bar ────────────────────────────────────────────── */
.usage-bar-wrap { margin-bottom: 24px; }
.usage-bar { height: 8px; border-radius: 4px; background: var(--bg-surface); overflow: hidden; display: flex; }
.usage-bar-segment { height: 100%; transition: width 0.4s ease; }
.usage-legend { display: flex; gap: 16px; margin-top: 8px; font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); }
.usage-legend span::before { content: '■ '; }
.legend-active    { color: var(--active); }
.legend-reserved  { color: var(--reserved); }
.legend-decomm    { color: var(--decomm); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; }
  .form-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}