/* ============================================================
   CableSpec Admin Panel — Stylesheet
   Industrial dark theme, professional CMS aesthetic
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --bg:       #080b0f;
  --surface:  #0e1117;
  --s2:       #151a22;
  --s3:       #1b2230;
  --border:   #1e2633;
  --border2:  #28344a;
  --accent:   #f5a623;
  --accent-h: #e6961a;
  --green:    #22c55e;
  --red:      #ef4444;
  --blue:     #3b82f6;
  --purple:   #8b5cf6;
  --yellow:   #eab308;
  --text:     #e2e8f0;
  --dim:      #8899aa;
  --muted:    #3d4f66;
  --mono:     'IBM Plex Mono', monospace;
  --sans:     'IBM Plex Sans', sans-serif;
  --radius:   8px;
  --sidebar-w: 260px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { background:var(--bg); color:var(--text); font-family:var(--sans); min-height:100vh; }
a { text-decoration:none; color:inherit; }
button { font-family:var(--sans); cursor:pointer; }
input,select,textarea { font-family:var(--sans); }

::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--border2); border-radius:3px; }

/* ═══════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════ */
.admin-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: 56px 1fr;
  min-height: 100vh;
}
.admin-topbar {
  grid-column: 1 / -1;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 200;
}
.admin-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
}
.admin-main {
  padding: 28px;
  overflow-x: hidden;
  min-width: 0;
}

/* ═══════════════════════════════════════════
   TOPBAR
═══════════════════════════════════════════ */
.topbar-logo {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
}
.topbar-logo span { color: var(--accent); }
.topbar-badge {
  background: rgba(245,166,35,.12);
  border: 1px solid rgba(245,166,35,.25);
  border-radius: 4px;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--accent);
  letter-spacing: .5px;
  text-transform: uppercase;
}
.topbar-right { margin-left:auto; display:flex; align-items:center; gap:12px; }
.topbar-user {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 12px;
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--dim);
  cursor: pointer;
  transition: all .15s;
}
.topbar-user:hover { border-color: var(--border2); color: var(--text); }
.user-avatar {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #000;
  flex-shrink: 0;
}
.topbar-view-site {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--dim);
  transition: all .15s;
}
.topbar-view-site:hover { border-color: var(--accent); color: var(--accent); }

/* ═══════════════════════════════════════════
   SIDEBAR NAV
═══════════════════════════════════════════ */
.sidebar-section {
  padding: 18px 16px 6px;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.sidebar-section:first-child { padding-top: 20px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 16px;
  font-size: 13.5px;
  color: var(--dim);
  cursor: pointer;
  transition: all .12s;
  border-left: 2px solid transparent;
  text-decoration: none;
  position: relative;
}
.nav-item:hover { background: var(--s2); color: var(--text); }
.nav-item.active {
  color: var(--accent);
  background: rgba(245,166,35,.07);
  border-left-color: var(--accent);
}
.nav-icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #000;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}
.nav-badge.green { background: var(--green); }
.nav-badge.red   { background: var(--red); color: #fff; }
.sidebar-divider { height: 1px; background: var(--border); margin: 10px 16px; }
.sidebar-bottom {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid var(--border);
}

/* ═══════════════════════════════════════════
   PAGE HEADER
═══════════════════════════════════════════ */
.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.page-head-left h1 { font-size: 20px; font-weight: 700; letter-spacing: -.4px; margin-bottom: 3px; }
.page-head-left p  { font-size: 12.5px; color: var(--dim); }
.page-head-right   { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--muted); transition: color .15s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { opacity: .3; }

/* ═══════════════════════════════════════════
   STAT CARDS
═══════════════════════════════════════════ */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color .15s;
}
.stat-card:hover { border-color: var(--border2); }
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.stat-card.accent::before  { background: var(--accent); }
.stat-card.green::before   { background: var(--green); }
.stat-card.blue::before    { background: var(--blue); }
.stat-card.purple::before  { background: var(--purple); }
.stat-card.red::before     { background: var(--red); }
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; font-family: var(--mono); }
.stat-value { font-family: var(--mono); font-size: 28px; font-weight: 600; color: var(--text); margin-bottom: 6px; line-height: 1; }
.stat-sub   { font-size: 11.5px; color: var(--dim); display: flex; align-items: center; gap: 5px; }
.stat-icon  { position: absolute; top: 16px; right: 16px; font-size: 28px; opacity: .12; }

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all .15s;
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary  { background: var(--accent); color: #000; font-weight: 600; }
.btn-primary:hover { background: var(--accent-h); }
.btn-secondary { background: var(--s2); border: 1px solid var(--border2); color: var(--dim); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: rgba(245,166,35,.05); }
.btn-danger   { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.2); color: var(--red); }
.btn-danger:hover { background: rgba(239,68,68,.2); border-color: var(--red); }
.btn-success  { background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.2); color: var(--green); }
.btn-success:hover { background: rgba(34,197,94,.2); border-color: var(--green); }
.btn-sm       { padding: 5px 12px; font-size: 12px; }
.btn-icon     { padding: 7px; width: 32px; height: 32px; justify-content: center; }

/* ═══════════════════════════════════════════
   FORM ELEMENTS
═══════════════════════════════════════════ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.form-label .required { color: var(--red); }
.form-label .hint { font-weight: 400; color: var(--muted); text-transform: none; font-size: 10.5px; letter-spacing: 0; }

.form-input, .form-select, .form-textarea {
  background: var(--s2);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 10px 13px;
  color: var(--text);
  font-size: 13.5px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,166,35,.12);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--muted); }
.form-input.error { border-color: var(--red); }
.form-textarea { resize: vertical; min-height: 90px; line-height: 1.6; }
.form-select { cursor: pointer; }
.form-select option { background: var(--s3); }
.form-hint { font-size: 11px; color: var(--muted); }
.form-error { font-size: 11.5px; color: var(--red); }

/* Input with unit */
.input-group { position: relative; display: flex; }
.input-group .form-input { border-radius: 6px 0 0 6px; }
.input-addon {
  background: var(--s3);
  border: 1px solid var(--border2);
  border-left: none;
  border-radius: 0 6px 6px 0;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  display: flex;
  align-items: center;
}

/* Checkbox / toggle */
.form-check { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.form-check input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.form-check-label { font-size: 13.5px; color: var(--dim); }

/* Toggle switch */
.toggle-wrap { display: flex; align-items: center; gap: 10px; }
.toggle {
  position: relative;
  width: 44px; height: 24px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--s3);
  border: 1px solid var(--border2);
  border-radius: 24px;
  cursor: pointer;
  transition: background .2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 2px; top: 2px;
  background: var(--muted);
  border-radius: 50%;
  transition: transform .2s, background .2s;
}
.toggle input:checked + .toggle-slider { background: rgba(245,166,35,.2); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); background: var(--accent); }

/* ═══════════════════════════════════════════
   CARDS
═══════════════════════════════════════════ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  padding: 14px 20px;
  background: var(--s2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: .8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-title::before { content:''; width:3px; height:12px; background:var(--accent); border-radius:2px; }
.card-body { padding: 20px; }
.card-footer { padding: 14px 20px; background: var(--s2); border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: flex-end; gap: 8px; }

/* ═══════════════════════════════════════════
   TABLE
═══════════════════════════════════════════ */
.table-wrap { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table thead tr {
  border-bottom: 1px solid var(--border);
  background: var(--s2);
}
.data-table th {
  padding: 11px 16px;
  text-align: left;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.data-table th:hover { color: var(--dim); }
.data-table th .sort-icon { opacity: .3; }
.data-table th.sorted .sort-icon { opacity: 1; color: var(--accent); }
.data-table tbody tr {
  border-bottom: 1px solid rgba(30,38,51,.6);
  transition: background .1s;
}
.data-table tbody tr:hover { background: var(--s2); }
.data-table tbody tr:last-child { border-bottom: none; }
.data-table td { padding: 11px 16px; color: var(--dim); vertical-align: middle; }
.data-table td.mono { font-family: var(--mono); font-size: 12px; }
.data-table .td-actions { display: flex; align-items: center; gap: 5px; }

/* ═══════════════════════════════════════════
   BADGES
═══════════════════════════════════════════ */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .3px;
  white-space: nowrap;
}
.badge-green  { background: rgba(34,197,94,.1);  color: var(--green); border: 1px solid rgba(34,197,94,.2); }
.badge-red    { background: rgba(239,68,68,.1);  color: var(--red);   border: 1px solid rgba(239,68,68,.2); }
.badge-blue   { background: rgba(59,130,246,.1); color: var(--blue);  border: 1px solid rgba(59,130,246,.2); }
.badge-orange { background: rgba(245,166,35,.1); color: var(--accent);border: 1px solid rgba(245,166,35,.2); }
.badge-purple { background: rgba(139,92,246,.1); color: var(--purple);border: 1px solid rgba(139,92,246,.2); }
.badge-gray   { background: rgba(61,79,102,.2);  color: var(--muted); border: 1px solid rgba(61,79,102,.3); }

/* ═══════════════════════════════════════════
   ALERTS / FLASH
═══════════════════════════════════════════ */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13.5px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid;
}
.alert-success { background: rgba(34,197,94,.08); border-color: rgba(34,197,94,.25); color: var(--green); }
.alert-error   { background: rgba(239,68,68,.08); border-color: rgba(239,68,68,.25); color: var(--red); }
.alert-warning { background: rgba(245,166,35,.08); border-color: rgba(245,166,35,.25); color: var(--accent); }
.alert-info    { background: rgba(59,130,246,.08); border-color: rgba(59,130,246,.25); color: var(--blue); }
.alert-close { margin-left:auto; background:none; border:none; color:inherit; opacity:.6; cursor:pointer; font-size:16px; padding:0; }
.alert-close:hover { opacity: 1; }

/* ═══════════════════════════════════════════
   FILE UPLOAD ZONE
═══════════════════════════════════════════ */
.upload-zone {
  border: 2px dashed var(--border2);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  background: var(--s2);
  position: relative;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: rgba(245,166,35,.04);
}
.upload-zone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.upload-icon { font-size: 32px; margin-bottom: 10px; opacity: .5; }
.upload-label { font-size: 13.5px; color: var(--dim); margin-bottom: 5px; }
.upload-label strong { color: var(--accent); }
.upload-hint  { font-size: 11.5px; color: var(--muted); }
.upload-preview {
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--s3);
  border: 1px solid var(--border2);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--green);
}
.upload-preview .up-name { flex: 1; color: var(--dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upload-preview .up-size { color: var(--muted); font-family: var(--mono); font-size: 11px; }

/* ═══════════════════════════════════════════
   PROGRESS / STEP
═══════════════════════════════════════════ */
.step-nav {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.step {
  flex: 1;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  border-right: 1px solid var(--border);
  cursor: pointer;
  transition: all .15s;
  position: relative;
}
.step:last-child { border-right: none; }
.step:hover { background: var(--s2); }
.step.active { color: var(--accent); background: rgba(245,166,35,.05); }
.step.done { color: var(--green); }
.step-num {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--s2);
  border: 1px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.step.active .step-num { background: var(--accent); border-color: var(--accent); color: #000; }
.step.done  .step-num  { background: rgba(34,197,94,.15); border-color: var(--green); color: var(--green); }

/* Tab panels */
.form-panel { display: none; }
.form-panel.active { display: block; }

/* ═══════════════════════════════════════════
   SEARCH / FILTER BAR
═══════════════════════════════════════════ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.search-input-wrap svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); pointer-events: none; }
.search-input-wrap input {
  width: 100%;
  background: var(--s2);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 9px 12px 9px 35px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color .2s;
}
.search-input-wrap input:focus { border-color: var(--accent); }
.search-input-wrap input::placeholder { color: var(--muted); }
.filter-select {
  background: var(--s2);
  border: 1px solid var(--border2);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--dim);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* ═══════════════════════════════════════════
   LOGIN PAGE
═══════════════════════════════════════════ */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.login-header {
  padding: 32px 32px 24px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.login-logo { font-family: var(--mono); font-size: 22px; font-weight: 600; margin-bottom: 6px; }
.login-logo span { color: var(--accent); }
.login-sub { font-size: 12.5px; color: var(--muted); }
.login-body { padding: 28px 32px 32px; }

/* ═══════════════════════════════════════════
   MISC
═══════════════════════════════════════════ */
.section-divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
  position: relative;
}
.section-divider span {
  position: absolute;
  left: 0; top: -9px;
  background: var(--surface);
  padding-right: 12px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .8px;
}
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state .empty-icon { font-size: 48px; margin-bottom: 14px; opacity: .4; }
.empty-state p { font-size: 14px; }
.text-up   { color: var(--green); }
.text-down { color: var(--red); }
.mono      { font-family: var(--mono); }

@media (max-width:900px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .step-nav { flex-direction: column; }
  .step { border-right: none; border-bottom: 1px solid var(--border); }
}