/* ==========================================================================
   YesTechie Labs Style (UI Kit 0.2.1)
   VoIP sandbox + Kiosk GITS light chrome: grid, mono, sidebar // Nav
   Bridge Analyzer dark header is NOT this file. See UI-KIT.md
   ========================================================================== */


:root {
  --bg-color: #f4f5f4;
  --grid-color: #e2e6e3;
  --panel-bg: rgba(238, 242, 239, 0.85);
  --panel-bg-hover: rgba(220, 226, 222, 0.95);
  --panel-solid: #eff2ef;

  --border-main: #a3b1a6;
  --border-light: #c2ccc4;
  --border-dashed: #b4bfb7;

  --text-dark: #374151;
  --text-muted: #6b7280;

  --accent-blue: #6388b0;
  --accent-blue-trans: rgba(99, 136, 176, 0.2);
  --accent-red: #db6554;
  --accent-red-trans: rgba(219, 101, 84, 0.2);
  --accent-green: #7a9f82;
  --accent-green-trans: rgba(122, 159, 130, 0.2);
  --accent-yellow: #c69c5e;

  --font-mono: "Space Mono", "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-color);
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.5;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: bold;
}

a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   YesTechie Labs Style: login (VoIP sandbox + Kiosk)
   ========================================================================== */

body.page-login {
  background-color: #f5f6f5;
  background-position: center center;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.ambient-scanner-h {
  position: absolute;
  width: 100vw;
  height: 1px;
  background: rgba(99, 136, 176, 0.3);
  top: 0;
  left: 0;
  z-index: 1;
  animation: scan-v 8s linear infinite;
  box-shadow: 0 0 10px rgba(99, 136, 176, 0.5);
}

.ambient-scanner-v {
  position: absolute;
  width: 1px;
  height: 100vh;
  background: rgba(99, 136, 176, 0.2);
  top: 0;
  left: 0;
  z-index: 1;
  animation: scan-h 12s linear infinite;
}

@keyframes scan-v {
  0% { top: -10%; }
  100% { top: 110%; }
}

@keyframes scan-h {
  0% { left: -10%; }
  100% { left: 110%; }
}

.login-container {
  width: 380px;
  background: var(--panel-solid);
  border: 1px solid var(--border-main);
  padding: 40px 40px 50px;
  position: relative;
  z-index: 10;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.panel-corner {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 8px;
  height: 8px;
  background: var(--text-muted);
}

.header-block {
  text-align: center;
  margin-bottom: 30px;
}

.main-title {
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 2px;
  margin-bottom: 8px;
  color: var(--text-dark);
  height: 36px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border-main);
  padding-bottom: 15px;
  min-height: 27px;
  text-transform: none;
}

.form-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: block;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  background: #fdfdfd;
  border: 1px solid var(--accent-blue);
  color: var(--text-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  outline: none;
  transition: all 0.3s ease;
}

input[type="password"].form-control {
  background: #e8ece9;
  border-color: #d1d8d3;
  text-transform: none;
}

.form-control:focus {
  background: #ffffff;
  border-color: var(--text-dark);
  box-shadow: inset 2px 0 0 var(--accent-blue);
}

.error-box {
  background: var(--accent-red-trans);
  border: 1px solid var(--accent-red);
  border-left: 4px solid var(--accent-red);
  color: var(--accent-red);
  padding: 8px 10px;
  font-size: 10px;
  margin-bottom: 15px;
  display: none;
  text-align: center;
}

.error-box.show {
  display: block;
}

.btn-submit {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  background: #d4dde5;
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-submit:hover {
  background: var(--accent-blue);
  color: #ffffff;
}

.btn-submit.processing {
  background: var(--text-dark);
  border-color: var(--text-dark);
  color: #ffffff;
  pointer-events: none;
  animation: pulse 1s infinite alternate;
}

.btn-submit.success {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: #ffffff;
  pointer-events: none;
}

.btn-submit.failed {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #ffffff;
  pointer-events: none;
}

@keyframes pulse {
  0% { opacity: 1; }
  100% { opacity: 0.7; }
}

.login-version {
  text-align: center;
  margin-top: 22px;
  color: var(--text-muted);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: none;
}

/* ==========================================================================
   YesTechie Labs Style: shell, left sidebar // Nav
   ========================================================================== */

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 200px;
  background: var(--panel-bg);
  border-right: 1px solid var(--border-main);
  padding: 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  z-index: 50;
}

.sidebar .logo {
  padding: 15px;
  border-bottom: 2px solid var(--border-main);
}

.sidebar .logo h1 {
  font-size: 13px;
  color: var(--text-dark);
  letter-spacing: 1px;
  white-space: nowrap;
}

.sidebar .logo p {
  font-size: 9px;
  color: var(--text-muted);
  margin-top: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  cursor: pointer;
  font-size: 10px;
  font-weight: bold;
  color: var(--text-muted);
  transition: all 0.15s;
  border-left: 3px solid transparent;
  font-family: inherit;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-item:hover {
  color: var(--text-dark);
  background: var(--panel-bg-hover);
  text-decoration: none;
}

.nav-item.active {
  color: var(--text-dark);
  background: var(--accent-blue-trans);
  border-left-color: var(--accent-blue);
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px 15px;
  border-top: 1px solid var(--border-main);
}

.sidebar-footer a {
  font-size: 10px;
  color: var(--text-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
}

.sidebar-footer a:hover {
  color: var(--accent-red);
}

.app-ver {
  font-size: 8px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.main {
  flex: 1;
  padding: 25px;
  max-width: 900px;
}

.main h2 {
  font-size: 13px;
  font-weight: bold;
  margin-bottom: 15px;
  border-bottom: 2px solid var(--border-main);
  padding-bottom: 8px;
}

.section {
  display: none;
}

.section.active {
  display: block;
  background: rgba(255, 255, 255, 0.4);
  border: 1px solid var(--border-light);
  padding: 20px;
}

.note {
  font-size: 9px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.muted {
  color: var(--text-muted);
  font-size: 9px;
}

/* ==========================================================================
   Panels, data-rows, dots
   ========================================================================== */

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border-main);
  padding: 15px;
  position: relative;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.02);
  margin-bottom: 15px;
}

.panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 6px;
  height: 6px;
  background: var(--text-muted);
}

.panel-header {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  border-bottom: 1px solid var(--border-main);
  padding-bottom: 8px;
  margin-bottom: 12px;
  font-weight: bold;
  font-size: 10px;
  gap: 8px;
}

.panel-header > :last-child {
  margin-left: auto;
}

.panel-header.dashed {
  border-bottom: 1px dashed var(--border-main);
}

.panel-header::before {
  content: "|";
  color: var(--border-main);
  font-weight: bold;
  margin-right: 5px;
}

.panel.selectable {
  cursor: pointer;
}

.panel.selectable:hover {
  background: var(--panel-bg-hover);
}

.panel.selected {
  background: var(--accent-blue-trans);
  border-color: var(--accent-blue);
}

.panel-body {
  display: none;
}

.panel.open .panel-body {
  display: block;
  border-top: 1px solid var(--border-main);
  padding-top: 12px;
  margin-top: 4px;
}

.data-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  border-bottom: 1px dotted var(--border-main);
  padding-bottom: 4px;
  font-size: 11px;
  gap: 8px;
}

.data-value {
  font-weight: bold;
  text-align: right;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
  vertical-align: middle;
}

.dot-green { background: var(--accent-green); box-shadow: 0 0 4px var(--accent-green); }
.dot-red { background: var(--accent-red); box-shadow: 0 0 4px var(--accent-red); }
.dot-yellow { background: var(--accent-yellow); box-shadow: 0 0 4px var(--accent-yellow); }
.dot-blue { background: var(--accent-blue); box-shadow: 0 0 4px var(--accent-blue); }

.badge {
  padding: 2px 6px;
  border: 1px solid var(--border-main);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  background: rgba(0, 0, 0, 0.03);
}

/* ==========================================================================
   Buttons, chips, forms
   ========================================================================== */

.btn {
  background: transparent;
  border: 1px solid var(--border-main);
  color: var(--text-dark);
  padding: 6px 12px;
  font-family: inherit;
  font-size: 11px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn::before { content: "["; color: var(--border-main); }
.btn::after { content: "]"; color: var(--border-main); }
.btn:hover { background: var(--panel-bg-hover); }
.btn:disabled { opacity: 0.5; pointer-events: none; }

.btn-primary {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: var(--accent-blue-trans);
}
.btn-primary:hover { background: var(--accent-blue); color: #fff; }
.btn-primary::before,
.btn-primary::after { color: var(--accent-blue); }

.btn-alert,
.btn-danger {
  border-color: var(--accent-red);
  color: var(--accent-red);
  background: var(--accent-red-trans);
}
.btn-alert:hover,
.btn-danger:hover { background: var(--accent-red); color: #fff; }
.btn-alert::before,
.btn-alert::after,
.btn-danger::before,
.btn-danger::after { color: var(--accent-red); }

.btn-sm { padding: 4px 8px; font-size: 10px; }

.btn-row {
  display: flex;
  gap: 8px;
  margin-top: 15px;
  flex-wrap: wrap;
}

.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 0 20px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border: 1px solid var(--border-main);
  font-size: 10px;
  background: rgba(0, 0, 0, 0.03);
  cursor: pointer;
  font-family: inherit;
  text-transform: uppercase;
  color: var(--text-muted);
}

.chip.active {
  background: var(--accent-blue-trans);
  border-color: var(--accent-blue);
  color: var(--text-dark);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
}

.form-group { margin-bottom: 12px; }

.form-group label {
  display: block;
  font-size: 9px;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: normal;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--border-light);
  color: var(--text-dark);
  font-family: inherit;
  font-size: 11px;
  text-transform: uppercase;
  outline: none;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--text-dark);
  background: #fff;
  box-shadow: inset 2px 0 0 var(--accent-blue);
}

input[type="password"],
input.case-sensitive {
  text-transform: none;
  letter-spacing: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.input-wrap { position: relative; }

.input-wrap .reveal {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  font-size: 11px;
  color: var(--text-muted);
  background: none;
  border: none;
  padding: 2px;
  font-family: inherit;
  text-transform: uppercase;
}

.err-banner {
  border: 1px solid var(--accent-red);
  background: var(--accent-red-trans);
  color: var(--accent-red);
  padding: 8px 10px;
  margin-bottom: 12px;
  font-size: 10px;
}

.empty-state {
  padding: 24px 10px;
  text-align: center;
  border: 1px dashed var(--border-light);
  color: var(--text-muted);
  font-size: 10px;
}

/* ==========================================================================
   Hardware banks, terminal, toast, modal
   ========================================================================== */

.power-bank {
  display: flex;
  gap: 2px;
  height: 12px;
  margin-top: 5px;
  width: 100%;
}

.power-segment {
  flex: 1;
  border: 1px solid var(--border-main);
  background: rgba(0, 0, 0, 0.03);
}

.power-segment.active { background: var(--accent-blue); border-color: var(--accent-blue); }
.power-segment.warning { background: var(--accent-yellow); border-color: var(--accent-yellow); }
.power-segment.critical { background: var(--accent-red); border-color: var(--accent-red); }

.terminal-window {
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid var(--border-main);
  max-height: 500px;
  overflow-y: auto;
  padding: 12px;
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 10px;
  text-transform: none;
  letter-spacing: 0;
}

.terminal-line {
  margin-bottom: 2px;
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-ts { color: var(--border-main); margin-right: 8px; }
.terminal-err { color: var(--accent-red); }
.terminal-warn { color: var(--accent-yellow); }
.terminal-ok { color: var(--accent-green); }

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 10px 15px;
  font-size: 10px;
  font-weight: bold;
  border: 1px solid var(--border-main);
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.3s;
  z-index: 100;
  font-family: inherit;
  text-transform: uppercase;
  background: var(--panel-bg);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  background: var(--accent-green-trans);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.toast.error {
  background: var(--accent-red-trans);
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

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

.modal {
  background: var(--bg-color);
  border: 1px solid var(--border-main);
  padding: 20px;
  width: 380px;
  text-align: center;
  position: relative;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.05);
}

.modal::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 6px;
  height: 6px;
  background: var(--text-muted);
}

.modal h3 {
  font-size: 12px;
  font-weight: bold;
  margin-bottom: 6px;
}

.modal p {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 15px;
}

.modal .btn-row { justify-content: center; }

/* ==========================================================================
   Mobile drawer (VoIP sandbox index.html)
   ========================================================================== */

.mobile-top,
.sidebar-backdrop,
.menu-btn {
  display: none;
}

body.nav-open { overflow: hidden; }

@media (max-width: 768px) {
  .mobile-top {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 40;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    padding-top: max(10px, env(safe-area-inset-top));
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border-main);
  }

  .menu-btn {
    display: flex;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: transparent;
    border: 1px solid var(--border-main);
    cursor: pointer;
  }

  .menu-btn span {
    display: block;
    width: 16px;
    height: 1.5px;
    background: var(--text-dark);
  }

  .mobile-brand {
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
  }

  .mobile-site {
    font-size: 9px;
    color: var(--text-muted);
    margin-top: 1px;
  }

  .layout {
    flex-direction: column;
    min-height: 100dvh;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(280px, 86vw);
    z-index: 60;
    transform: translateX(-105%);
    transition: transform 0.2s ease;
    padding-top: env(safe-area-inset-top);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 8px 0 24px rgba(0, 0, 0, 0.12);
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 50;
  }

  .sidebar-backdrop.show { display: block; }

  .nav-item {
    padding: 14px 16px;
    font-size: 12px;
    min-height: 44px;
    border-left-width: 4px;
  }

  .sidebar-footer { padding-bottom: max(12px, env(safe-area-inset-bottom)); }

  .main {
    padding: 12px;
    max-width: none;
    padding-bottom: max(20px, env(safe-area-inset-bottom));
  }

  .section.active { padding: 14px; }
  .form-row,
  .form-grid-3 { grid-template-columns: 1fr; }
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 16px; padding: 10px; }
  .btn { min-height: 44px; padding: 10px 14px; }
  .btn-row .btn,
  .toolbar .btn { flex: 1; justify-content: center; }
  .toast {
    left: 12px;
    right: 12px;
    bottom: max(16px, env(safe-area-inset-bottom));
    text-align: center;
  }
}

@media (max-width: 480px) {
  body.page-login {
    align-items: flex-start;
    height: auto;
    min-height: 100dvh;
    overflow: auto;
    padding: 28px 16px;
    padding-top: max(28px, env(safe-area-inset-top));
    padding-bottom: max(28px, env(safe-area-inset-bottom));
  }

  .login-container {
    width: 100%;
    max-width: 380px;
    padding: 28px 20px 36px;
  }

  .main-title {
    font-size: 20px;
    height: auto;
    min-height: 32px;
  }

  .form-control,
  .btn-submit {
    font-size: 16px;
    min-height: 44px;
  }
}