:root {
  --bg:       #0d1117;
  --bg2:      #161b22;
  --bg3:      #1c2128;
  --border:   #30363d;
  --text:     #e6edf3;
  --text2:    #8b949e;
  --accent:   #00d4ff;
  --accent2:  #0099cc;
  --green:    #3fb950;
  --red:      #f85149;
  --orange:   #d29922;
  --radius:   8px;
  --font:     -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  height: 100vh;
  overflow: hidden;
}

/* ─── LOGIN ─── */
#login-screen {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 36px;
  width: 360px;
  text-align: center;
}
.login-logo { margin-bottom: 16px; }
.login-box h1 { font-size: 22px; font-weight: 700; color: var(--accent); }
.login-sub { color: var(--text2); font-size: 13px; margin: 6px 0 24px; }
.login-err { color: var(--red); font-size: 13px; min-height: 20px; margin-bottom: 10px; }
.full-width { width: 100%; }
.apk-link { color: var(--accent); text-decoration: none; }
.apk-link:hover { text-decoration: underline; }

/* ─── FORM ─── */
.form-group { margin-bottom: 14px; text-align: left; }
.form-group label { display: block; font-size: 12px; color: var(--text2); margin-bottom: 5px; }
.form-group input, .form-group select {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
.form-group input:focus, .form-group select:focus { border-color: var(--accent); }
.form-group select option { background: var(--bg3); }

/* ─── BUTTONS ─── */
.btn-primary {
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--radius);
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.btn-primary:hover { background: var(--accent2); }
.btn-ghost {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text2); }
.btn-sm {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
}
.btn-sm:hover { color: var(--text); }
.btn-icon {
  background: none; border: none; color: var(--text2);
  cursor: pointer; font-size: 16px; padding: 4px 6px;
  border-radius: 6px; transition: background .15s;
}
.btn-icon:hover { background: var(--bg3); color: var(--text); }

/* ─── TOP BAR ─── */
.topbar {
  height: 48px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  position: relative; z-index: 10;
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-brand { font-weight: 700; font-size: 15px; color: var(--accent); margin-left: 8px; }
.topbar-tab {
  font-size: 13px; color: var(--text2);
  padding: 6px 12px; border-radius: 6px;
  cursor: pointer; transition: background .15s, color .15s;
}
.topbar-tab:hover { background: var(--bg3); color: var(--text); }
.topbar-tab.active { color: var(--text); background: var(--bg3); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-badge { font-size: 13px; color: var(--text2); }
.role-chip {
  font-size: 10px; font-weight: 700; padding: 2px 6px;
  border-radius: 4px; background: var(--accent)22; color: var(--accent);
  text-transform: uppercase; letter-spacing: .5px;
}

/* ─── LAYOUT ─── */
#app {
  display: flex; flex-direction: column;
  height: 100vh;
}
.view {
  display: none; flex: 1; overflow: hidden;
}
.view.active { display: flex; }

/* ─── SIDEBAR ─── */
.sidebar {
  width: 240px; flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.sidebar-header {
  padding: 12px 14px;
  font-size: 11px; font-weight: 700;
  color: var(--text2); text-transform: uppercase; letter-spacing: .8px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.device-list { overflow-y: auto; flex: 1; }
.device-item {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border)80;
  cursor: pointer;
  transition: background .12s;
  display: flex; align-items: center; gap: 10px;
}
.device-item:hover { background: var(--bg3); }
.device-item.selected { background: var(--bg3); border-left: 2px solid var(--accent); }
.device-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.device-dot.online  { background: var(--green); box-shadow: 0 0 6px var(--green)88; }
.device-dot.offline { background: var(--text2); }
.device-item-info { overflow: hidden; }
.device-item-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.device-item-sub  { font-size: 11px; color: var(--text2); }

/* ─── MAIN PANEL ─── */
.main-panel {
  flex: 1; display: flex; flex-direction: column;
  overflow: hidden; position: relative;
}
.empty-state {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: var(--text2); gap: 8px;
}
.empty-icon { font-size: 48px; opacity: .4; }
.empty-sub { font-size: 13px; text-align: center; line-height: 1.6; }

/* ─── DEVICE HEADER ─── */
.device-header {
  padding: 12px 16px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-shrink: 0;
}
.device-header-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.device-alias {
  font-size: 15px; font-weight: 600;
  border-bottom: 1px dashed transparent;
  outline: none; cursor: text;
}
.device-alias:hover { border-bottom-color: var(--border); }
.device-alias:focus { border-bottom-color: var(--accent); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-dot.online  { background: var(--green); box-shadow: 0 0 6px var(--green)88; }
.status-dot.offline { background: var(--red); }
.device-meta { font-size: 12px; color: var(--text2); }
.device-meta.muted { color: var(--text2)88; }
.device-header-right { display: flex; gap: 6px; }
.ctrl-btn {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 10px; cursor: pointer;
  font-size: 14px; transition: background .15s, border-color .15s;
}
.ctrl-btn:hover { background: var(--bg); border-color: var(--accent); }
.ctrl-btn.active { background: var(--accent)22; border-color: var(--accent); }

/* ─── TABS ─── */
.tab-nav {
  display: flex; gap: 2px; padding: 8px 12px;
  background: var(--bg2); border-bottom: 1px solid var(--border);
  flex-shrink: 0; overflow-x: auto;
}
.tab-btn {
  background: none; border: none; color: var(--text2);
  padding: 5px 12px; border-radius: 6px; cursor: pointer;
  font-size: 13px; white-space: nowrap;
  transition: background .12s, color .12s;
}
.tab-btn:hover { background: var(--bg3); color: var(--text); }
.tab-btn.active { background: var(--bg3); color: var(--accent); font-weight: 600; }
.tab-pane { display: none; flex: 1; overflow: hidden; flex-direction: column; }
.tab-pane.active { display: flex; }

/* ─── SCREEN TAB ─── */
.screen-wrap {
  flex: 1; display: flex; align-items: center; justify-content: center;
  background: #000; position: relative; overflow: hidden;
}
#screen-blank-banner {
  position: absolute; top: 0; left: 0; right: 0;
  background: rgba(200,0,0,.85); color: #fff;
  text-align: center; padding: 6px; font-size: 13px;
  z-index: 5; pointer-events: none;
}
#stream-canvas { max-width: 100%; max-height: 100%; cursor: crosshair; display: block; }
.screen-hint { position: absolute; bottom: 8px; right: 10px; font-size: 11px; color: #ffffff44; pointer-events: none; }
.keypad-row {
  display: flex; gap: 6px; padding: 8px 12px;
  background: var(--bg2); border-top: 1px solid var(--border);
  flex-shrink: 0; flex-wrap: wrap;
}
.key-btn {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 12px; cursor: pointer;
  font-size: 12px; color: var(--text2);
  transition: background .12s;
}
.key-btn:hover { background: var(--bg); color: var(--text); }
.type-row {
  display: flex; gap: 8px; padding: 8px 12px;
  background: var(--bg2); border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.type-field {
  flex: 1; background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); padding: 7px 10px; font-size: 13px; outline: none;
}
.type-field:focus { border-color: var(--accent); }

/* ─── FILES TAB ─── */
.path-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; background: var(--bg2); border-bottom: 1px solid var(--border);
  flex-shrink: 0; font-size: 13px; color: var(--text2);
  font-family: monospace;
}
.file-list { flex: 1; overflow-y: auto; padding: 4px; }
.file-row {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; border-radius: 6px; cursor: pointer;
  transition: background .1s;
}
.file-row:hover { background: var(--bg3); }
.file-icon { font-size: 15px; width: 20px; text-align: center; flex-shrink: 0; }
.file-name { flex: 1; font-size: 13px; }
.file-size { font-size: 11px; color: var(--text2); }
.file-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.file-content-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 12px; background: var(--bg2); border-bottom: 1px solid var(--border);
  font-size: 13px;
}
#file-content-text {
  flex: 1; overflow: auto; padding: 12px; font-family: monospace;
  font-size: 12px; line-height: 1.5; white-space: pre-wrap; word-break: break-all;
  color: var(--text2);
}

/* ─── DATA TAB ─── */
.data-toolbar {
  display: flex; gap: 6px; padding: 10px 12px;
  background: var(--bg2); border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.data-btn {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 14px; cursor: pointer;
  font-size: 12px; color: var(--text2); transition: all .12s;
}
.data-btn:hover { color: var(--text); border-color: var(--text2); }
.data-btn.active { color: var(--accent); border-color: var(--accent); background: var(--accent)11; }
.data-output { flex: 1; overflow-y: auto; padding: 8px 12px; }
.data-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px; margin-bottom: 8px;
}
.data-card-title { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.data-card-body { font-size: 12px; color: var(--text2); line-height: 1.6; }

/* ─── CAMERA TAB ─── */
.camera-controls { padding: 12px; display: flex; gap: 10px; flex-shrink: 0; }
.camera-output { flex: 1; overflow-y: auto; padding: 8px 12px; display: flex; flex-wrap: wrap; gap: 10px; align-content: flex-start; }
.camera-output img { max-width: 100%; max-height: 300px; border-radius: 8px; border: 1px solid var(--border); }

/* ─── AUDIO TAB ─── */
.audio-controls { padding: 16px 12px; display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.audio-status { font-size: 13px; color: var(--text2); }
.audio-status.recording { color: var(--red); animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .4; } }
.audio-output { flex: 1; overflow-y: auto; padding: 8px 12px; display: flex; flex-direction: column; gap: 8px; }
.audio-output audio { width: 100%; }

/* ─── SHELL TAB ─── */
.shell-output {
  flex: 1; overflow-y: auto; padding: 10px 14px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 12px; line-height: 1.6;
  background: #0a0e13;
}
.shell-line { margin-bottom: 10px; }
.shell-cmd  { color: var(--accent); }
.shell-out  { color: var(--text2); white-space: pre-wrap; word-break: break-all; }
.shell-err  { color: var(--red); white-space: pre-wrap; }
.shell-input-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; background: var(--bg2); border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.shell-prompt { color: var(--accent); font-family: monospace; font-size: 14px; }
.shell-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-family: monospace; font-size: 13px;
}

/* ─── APPS TAB ─── */
.apps-toolbar {
  display: flex; gap: 8px; padding: 10px 12px;
  background: var(--bg2); border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.search-input {
  flex: 1; background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); padding: 7px 10px; font-size: 13px; outline: none;
}
.search-input:focus { border-color: var(--accent); }
.apps-list { flex: 1; overflow-y: auto; padding: 4px; }
.app-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 6px;
}
.app-row:nth-child(odd) { background: var(--bg2)66; }
.app-name { font-size: 13px; }
.app-pkg  { font-size: 11px; color: var(--text2); font-family: monospace; }
.app-sys  { font-size: 10px; padding: 1px 5px; border-radius: 3px; background: var(--border); color: var(--text2); }

/* ─── INFO TAB ─── */
.info-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px; padding: 16px; overflow-y: auto;
}
.info-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 14px;
}
.info-card-label { font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; }
.info-card-value { font-size: 16px; font-weight: 600; }

/* ─── ADMIN VIEW ─── */
#view-admin { display: none; padding: 24px; overflow-y: auto; }
#view-admin.active { display: block; }
.admin-panel { max-width: 900px; margin: 0 auto; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.admin-header h2 { font-size: 18px; }
.accounts-table { width: 100%; border-collapse: collapse; }
.accounts-table th {
  text-align: left; padding: 10px 12px; font-size: 11px;
  text-transform: uppercase; letter-spacing: .5px; color: var(--text2);
  background: var(--bg2); border-bottom: 1px solid var(--border);
}
.accounts-table td { padding: 12px 12px; border-bottom: 1px solid var(--border)66; font-size: 13px; }
.accounts-table tr:hover td { background: var(--bg2)66; }
.ak-mono { font-family: monospace; font-size: 11px; color: var(--text2); }
.expires-badge { font-size: 11px; padding: 2px 7px; border-radius: 4px; }
.expires-badge.ok     { background: var(--green)22; color: var(--green); }
.expires-badge.soon   { background: var(--orange)22; color: var(--orange); }
.expires-badge.expired { background: var(--red)22; color: var(--red); }
.expires-badge.never  { background: var(--bg3); color: var(--text2); }

/* ─── MODAL ─── */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 500;
}
.modal-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px; width: 400px;
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.modal-header h3 { font-size: 16px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ─── CONTEXT MENU ─── */
.ctx-menu {
  position: fixed; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px; z-index: 200; min-width: 120px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.ctx-menu div {
  padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
.ctx-menu div:hover { background: var(--bg3); }

/* ─── SETTINGS / APK / ALERTS PAGES ─── */
#view-apklink, #view-alerts { display: none; overflow-y: auto; }
#view-apklink.active, #view-alerts.active { display: block; }
.settings-panel { max-width: 680px; margin: 0 auto; padding: 32px 24px; }
.settings-header { margin-bottom: 28px; }
.settings-header h2 { font-size: 20px; margin-bottom: 8px; }
.settings-sub { color: var(--text2); font-size: 14px; line-height: 1.6; }

/* APK link card */
.apk-link-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px; margin-bottom: 24px;
}
.apk-link-label { font-size: 12px; color: var(--text2); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 10px; }
.apk-link-row { display: flex; gap: 8px; flex-wrap: wrap; }
.apk-url-input {
  flex: 1; min-width: 200px; background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text2); padding: 9px 12px;
  font-family: monospace; font-size: 13px; outline: none;
}
.copy-msg { font-size: 13px; color: var(--green); margin-top: 8px; min-height: 20px; }
.link { color: var(--accent); text-decoration: none; }
.link:hover { text-decoration: underline; }

/* QR code */
.apk-qr-wrap { margin-bottom: 28px; }
.apk-qr-label { font-size: 13px; color: var(--text2); margin-bottom: 12px; }
.apk-qr {
  background: #fff; border-radius: 10px; padding: 12px;
  display: inline-block;
}
.apk-qr canvas, .apk-qr img { display: block; }

/* Instructions */
.apk-instructions {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px;
}
.apk-instructions h3 { font-size: 14px; font-weight: 600; margin-bottom: 14px; color: var(--text2); text-transform: uppercase; letter-spacing: .5px; }
.apk-instructions ol { padding-left: 20px; }
.apk-instructions li { margin-bottom: 10px; color: var(--text2); font-size: 14px; line-height: 1.5; }
.apk-instructions li b { color: var(--text); }

/* Alerts setup */
.alert-setup-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px; margin-bottom: 24px;
  display: flex; flex-direction: column; gap: 18px;
}
.alert-step { display: flex; gap: 14px; align-items: flex-start; }
.step-num {
  width: 28px; height: 28px; border-radius: 50%; background: var(--accent)22;
  color: var(--accent); font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.step-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.step-body { font-size: 13px; color: var(--text2); line-height: 1.6; }
.step-body code { background: var(--bg3); border-radius: 4px; padding: 1px 5px; font-size: 12px; color: var(--accent); word-break: break-all; }

.alert-events-title { font-size: 12px; color: var(--text2); text-transform: uppercase; letter-spacing: .5px; margin: 24px 0 10px; }
.alert-events { display: flex; flex-direction: column; gap: 8px; }
.alert-event {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 16px; font-size: 14px; color: var(--text2);
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text2); }