:root {
  --bg: #061019;
  --bg-deep: #040b12;
  --panel: rgba(9, 17, 26, 0.84);
  --panel-strong: rgba(7, 14, 22, 0.94);
  --panel-soft: rgba(12, 22, 34, 0.72);
  --text: #eef7ff;
  --muted: #8da7bc;
  --line: rgba(117, 173, 221, 0.18);
  --line-strong: rgba(117, 173, 221, 0.32);
  --cyan: #66efd7;
  --blue: #88b7ff;
  --blue-deep: #0d6efd;
  --danger: #ff8d80;
  --danger-soft: rgba(255, 141, 128, 0.12);
  --success-soft: rgba(102, 239, 215, 0.12);
  --success-line: rgba(102, 239, 215, 0.3);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.34);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --sans: "Bahnschrift", "Segoe UI Variable Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  background:
    radial-gradient(circle at 12% 18%, rgba(102, 239, 215, 0.14), transparent 23%),
    radial-gradient(circle at 88% 10%, rgba(136, 183, 255, 0.16), transparent 24%),
    linear-gradient(180deg, #061019 0%, #09131d 46%, #050a11 100%);
}

code,
input,
select,
textarea {
  font-family: var(--mono);
}

.console-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(117, 173, 221, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(117, 173, 221, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.92), transparent 94%);
}

.dashboard {
  width: min(1520px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.app-header,
.surface,
.login-panel,
.modal-card,
.flash {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.app-header,
.surface,
.login-panel,
.modal-card {
  border-radius: var(--radius-xl);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 26px;
}

.brand-block,
.brand-copy,
.status-strip,
.header-tools,
.account-chip,
.wifi-card-head,
.wifi-main,
.wifi-route,
.wifi-badges,
.wifi-actions,
.surface-head,
.form-actions,
.user-item,
.bootstrap-note {
  display: flex;
  align-items: center;
}

.brand-block,
.wifi-main {
  gap: 16px;
}

.brand-mark,
.login-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(102, 239, 215, 0.24), rgba(136, 183, 255, 0.22)),
    rgba(8, 16, 24, 0.92);
  border: 1px solid rgba(102, 239, 215, 0.26);
  color: var(--cyan);
  font-weight: 800;
  letter-spacing: 0.12em;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03), 0 20px 40px rgba(0, 0, 0, 0.26);
}

.brand-copy {
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

h1,
h2,
h3,
strong {
  margin: 0;
}

h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
  letter-spacing: -0.05em;
}

h2 {
  font-size: 22px;
  letter-spacing: -0.03em;
}

h3 {
  font-size: 20px;
  letter-spacing: -0.03em;
}

.status-strip,
.header-tools,
.wifi-route,
.wifi-badges,
.wifi-actions,
.form-actions {
  gap: 10px;
  flex-wrap: wrap;
}

.status-pill,
.badge,
.surface-count,
.account-chip {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(136, 183, 255, 0.08);
}

.status-pill,
.badge,
.surface-count {
  min-height: 32px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 12px;
}

.surface-count {
  min-width: 40px;
}

.badge-accent {
  border-color: rgba(102, 239, 215, 0.28);
  background: rgba(102, 239, 215, 0.1);
  color: var(--cyan);
}

.account-chip {
  gap: 10px;
  padding: 10px 14px;
}

.account-chip span {
  color: var(--text);
  font-size: 13px;
}

.account-chip strong {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.ghost-button,
.primary-button,
.danger-button {
  appearance: none;
  border: none;
  border-radius: 999px;
  min-height: 42px;
  padding: 0 18px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease, opacity 140ms ease;
}

.ghost-button:hover,
.primary-button:hover,
.danger-button:hover {
  transform: translateY(-1px);
}

.ghost-button {
  color: var(--text);
  background: rgba(136, 183, 255, 0.12);
  border: 1px solid rgba(136, 183, 255, 0.16);
}

.primary-button {
  color: #041117;
  background: linear-gradient(135deg, var(--cyan), #a3ffe2);
}

.danger-button {
  color: #ffd9d5;
  background: rgba(255, 141, 128, 0.16);
  border: 1px solid rgba(255, 141, 128, 0.18);
}

.flash {
  margin-top: 18px;
  border-radius: var(--radius-md);
  padding: 14px 18px;
}

.flash-success {
  border-color: var(--success-line);
  background: var(--success-soft);
}

.flash-error {
  border-color: rgba(255, 141, 128, 0.26);
  background: var(--danger-soft);
}

.compact-flash {
  margin-top: 0;
}

.flat-list {
  margin: 0;
  padding-left: 18px;
}

.flat-list li + li {
  margin-top: 6px;
}

.workspace {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1.48fr) minmax(380px, 0.92fr);
  gap: 18px;
  align-items: start;
}

.surface {
  padding: 22px;
}

.wifi-surface {
  min-height: calc(100vh - 116px);
}

.control-stack {
  display: grid;
  gap: 18px;
  position: sticky;
  top: 18px;
}

.surface-head {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.wifi-list,
.user-list {
  display: grid;
  gap: 14px;
}

.wifi-card,
.user-item,
.helper-box,
.empty-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), rgba(255, 255, 255, 0)),
    rgba(6, 14, 22, 0.82);
}

.wifi-card {
  padding: 18px;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.wifi-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background:
    linear-gradient(180deg, rgba(102, 239, 215, 0.02), rgba(255, 255, 255, 0)),
    rgba(7, 15, 24, 0.92);
}

.wifi-card.is-dedicated {
  box-shadow: inset 0 0 0 1px rgba(102, 239, 215, 0.04);
}

.wifi-card-head {
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.wifi-main {
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.wifi-route {
  row-gap: 8px;
}

.route-pill {
  min-height: 28px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(102, 239, 215, 0.16);
  background: rgba(102, 239, 215, 0.08);
  color: #cffbf3;
  font-size: 12px;
}

.route-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(141, 167, 188, 0.55);
}

.wifi-actions {
  justify-content: flex-end;
}

.action-button {
  min-width: 78px;
}

.inline-form {
  margin: 0;
}

.wifi-badges {
  margin-top: 16px;
}

.wifi-meta-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.meta-box {
  min-height: 92px;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(117, 173, 221, 0.12);
  background: rgba(10, 20, 31, 0.78);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
}

.meta-box span,
label span,
.qr-meta dt,
.user-item span {
  color: var(--muted);
  font-size: 12px;
}

.meta-box code,
.bootstrap-note code {
  color: var(--blue);
  font-size: 13px;
  word-break: break-all;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wide-field {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 13px 14px;
  color: var(--text);
  background: rgba(5, 13, 20, 0.94);
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

input[readonly] {
  color: #c1d3e3;
  background: rgba(10, 19, 29, 0.74);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(102, 239, 215, 0.7);
  box-shadow: 0 0 0 3px rgba(102, 239, 215, 0.12);
}

.form-actions {
  grid-column: 1 / -1;
  justify-content: flex-end;
  padding-top: 4px;
}

.helper-box {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.helper-box p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.user-item {
  padding: 14px 16px;
  justify-content: space-between;
  gap: 14px;
}

.user-item strong {
  display: block;
  margin-bottom: 4px;
}

.empty-card {
  padding: 24px;
  text-align: center;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 40;
}

.modal.is-hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 8, 12, 0.74);
  backdrop-filter: blur(8px);
}

.modal-card {
  position: relative;
  width: min(460px, calc(100vw - 24px));
  margin: 6vh auto 0;
  padding: 22px;
  background: var(--panel-strong);
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.modal-head p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.qr-preview {
  margin-top: 18px;
  display: grid;
  place-items: center;
  min-height: 280px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(117, 173, 221, 0.12);
  background: rgba(9, 18, 28, 0.76);
}

.qr-preview img {
  width: min(260px, 100%);
  padding: 12px;
  border-radius: 20px;
  background: #ffffff;
}

.qr-meta {
  margin: 18px 0 0;
}

.qr-meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid rgba(117, 173, 221, 0.12);
}

.qr-meta dd {
  margin: 0;
}

.payload-box {
  min-height: 98px;
  margin-top: 14px;
  resize: vertical;
}

.login-body {
  display: grid;
  place-items: center;
}

.login-shell {
  width: 100%;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, calc(100vw - 24px));
  padding: 28px;
}

.login-mark {
  margin-bottom: 20px;
}

.login-form {
  display: grid;
  gap: 14px;
}

.login-button {
  width: 100%;
  margin-top: 4px;
}

.bootstrap-note {
  margin-top: 18px;
  gap: 10px;
  flex-wrap: wrap;
}

.bootstrap-note code {
  min-height: 32px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(136, 183, 255, 0.08);
}

@media (max-width: 1240px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .control-stack {
    position: static;
  }
}

@media (max-width: 920px) {
  .wifi-meta-grid,
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .wifi-card-head {
    flex-direction: column;
  }

  .wifi-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .dashboard {
    width: min(100vw - 18px, 100%);
    padding: 12px 0 20px;
  }

  .app-header,
  .surface,
  .login-panel,
  .modal-card,
  .flash {
    border-radius: 22px;
  }

  .app-header,
  .surface,
  .login-panel,
  .modal-card {
    padding: 18px;
  }

  .app-header,
  .header-tools,
  .surface-head,
  .helper-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-block {
    width: 100%;
    align-items: flex-start;
  }

  .status-strip,
  .header-tools {
    width: 100%;
  }

  .wifi-meta-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-actions,
  .wifi-actions {
    width: 100%;
  }

  .ghost-button,
  .primary-button,
  .danger-button,
  .action-button {
    width: 100%;
  }

  .route-dot {
    display: none;
  }
}