:root {
  color-scheme: dark;
  --bg: #060914;
  --panel: rgba(15, 23, 42, 0.72);
  --panel-strong: rgba(18, 27, 48, 0.92);
  --border: rgba(148, 163, 184, 0.18);
  --text: #f8fafc;
  --muted: #94a3b8;
  --brand: #44d7b6;
  --brand-2: #7c3aed;
  --danger: #fb7185;
  --warning: #fbbf24;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(68, 215, 182, 0.2), transparent 34rem),
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.28), transparent 32rem),
    linear-gradient(135deg, #050816 0%, #0d1324 48%, #08111f 100%);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.shell {
  width: min(1120px, calc(100% - 24px));
  margin: 0 auto;
  padding: 28px 0;
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  margin-bottom: 16px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--brand);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: none;
  margin-bottom: 10px;
  font-size: clamp(1.85rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.045em;
  white-space: nowrap;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  letter-spacing: -0.04em;
}

h3 {
  margin: 8px 0 5px;
  font-size: 0.92rem;
  word-break: break-all;
}

.hero-copy {
  max-width: 640px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.55;
}

.glass-card,
.proxy-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
  padding: 14px;
  margin-bottom: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 12px;
  outline: none;
  background: rgba(2, 6, 23, 0.58);
  color: var(--text);
  padding: 10px 12px;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

input:focus {
  border-color: rgba(68, 215, 182, 0.85);
  box-shadow: 0 0 0 4px rgba(68, 215, 182, 0.12);
}

.field-help {
  color: var(--muted);
  font-size: 0.75rem;
}

.primary-btn,
.ghost-btn,
.toggle-btn {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--text);
  font-weight: 800;
  font-size: 0.9rem;
}

.primary-btn {
  background: linear-gradient(135deg, var(--brand), #16a34a);
  color: #04130f;
}

.ghost-btn,
.toggle-btn {
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(15, 23, 42, 0.72);
}

.toggle-btn.on {
  border-color: rgba(68, 215, 182, 0.5);
  background: rgba(68, 215, 182, 0.16);
  color: var(--brand);
}

.message {
  margin-bottom: 14px;
  border: 1px solid rgba(68, 215, 182, 0.25);
  border-radius: 14px;
  background: rgba(68, 215, 182, 0.1);
  padding: 10px 12px;
  color: #c7fff1;
  font-size: 0.9rem;
}

.message.error {
  border-color: rgba(251, 113, 133, 0.28);
  background: rgba(251, 113, 133, 0.12);
  color: #fecdd3;
}

.form-error {
  margin: -4px 0 12px;
  border: 1px solid rgba(251, 113, 133, 0.28);
  border-radius: 12px;
  background: rgba(251, 113, 133, 0.1);
  color: #fecdd3;
  padding: 9px 11px;
  font-size: 0.82rem;
  font-weight: 700;
}

.hidden {
  display: none !important;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.summary-grid .glass-card {
  padding: 14px;
}

.summary-grid span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.summary-grid strong {
  font-size: 1.16rem;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 14px;
  margin: 14px 0;
}

.dashboard-actions {
  display: flex;
  gap: 8px;
}

.danger-btn {
  border-color: rgba(251, 113, 133, 0.28);
  color: #fecdd3;
}

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

.proxy-card {
  padding: 16px;
  background: var(--panel-strong);
}

.proxy-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.badge {
  display: inline-flex;
  border: 1px solid rgba(68, 215, 182, 0.28);
  border-radius: 999px;
  background: rgba(68, 215, 182, 0.12);
  color: var(--brand);
  padding: 4px 8px;
  font-size: 0.68rem;
  font-weight: 800;
}

.note,
.meta-row,
.proxy-info small {
  color: var(--muted);
  font-size: 0.78rem;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  padding-top: 10px;
  margin-top: 10px;
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.proxy-info,
.proxy-line,
.test-result,
.auto-panel {
  display: grid;
  gap: 4px;
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 14px;
  background: rgba(2, 6, 23, 0.32);
  padding: 10px;
}

.proxy-line {
  width: 100%;
  margin-top: 10px;
  color: var(--text);
  text-align: left;
}

.test-result {
  margin-top: 10px;
}

.test-result.error {
  border-color: rgba(251, 113, 133, 0.28);
  background: rgba(251, 113, 133, 0.1);
}

.proxy-info span,
.proxy-line span,
.test-result span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.proxy-info strong,
.proxy-line strong,
.test-result strong {
  word-break: break-all;
}

.test-result small {
  color: var(--muted);
}

.auto-panel {
  grid-template-columns: minmax(0, 1fr) 130px auto;
  align-items: end;
  gap: 10px;
  margin-top: 10px;
}

.check-row {
  display: flex;
  align-items: center;
  min-height: 38px;
}

.check-row input {
  width: auto;
  margin: 0 8px 0 0;
}

.countdown {
  min-height: 38px;
  border-radius: 12px;
  background: rgba(68, 215, 182, 0.1);
  color: var(--brand);
  padding: 10px 12px;
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.actions button {
  flex: 1 1 118px;
}

@media (max-width: 920px) {
  .hero,
  .auth-panel,
  .summary-grid,
  .key-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 18px, 1120px);
    padding: 18px 0;
  }

  h1 {
    white-space: normal;
  }

  .config-grid {
    grid-template-columns: 1fr;
  }

  .auto-panel {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .proxy-card-head {
    align-items: stretch;
    flex-direction: column;
  }

  .dashboard-actions {
    flex-direction: column;
  }
}