:root {
  --bg: #0b0f14;
  --bg-2: #111722;
  --panel: rgba(17, 24, 34, 0.88);
  --panel-strong: rgba(20, 28, 39, 0.96);
  --panel-soft: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #eef4ff;
  --muted: #8ea0b6;
  --muted-2: #71849c;
  --accent: #f59e0b;
  --accent-2: #fb7185;
  --signal: #33d17a;
  --cyan: #52d6ff;
  --blue: #4f7cff;
  --violet: #9b6dff;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }

html {
  background:
    radial-gradient(circle at top left, rgba(245, 158, 11, 0.14), transparent 26%),
    radial-gradient(circle at top right, rgba(82, 214, 255, 0.09), transparent 24%),
    linear-gradient(180deg, #0b0f14 0%, #0d1219 52%, #0a0f15 100%);
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  background: transparent;
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

.page { min-height: 100vh; }

/* ── auth pages ─────────────────────────────────────────────────────────── */

.center-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}

.login-shell {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background: rgba(11, 15, 20, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.login-side {
  position: relative;
  padding: 42px;
  background:
    radial-gradient(circle at 20% 18%, rgba(245, 158, 11, 0.18), transparent 22%),
    radial-gradient(circle at 78% 28%, rgba(79, 124, 255, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
}

.login-side::after {
  content: "";
  position: absolute;
  inset: 24px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.05);
  pointer-events: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06);
  color: #dce8ff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.brand-icon {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #111;
  font-weight: 800;
}

.side-title {
  margin: 28px 0 14px;
  max-width: 11ch;
  font-size: clamp(2.4rem, 4vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.side-text {
  max-width: 48ch;
  color: var(--muted);
  line-height: 1.75;
  font-size: 1rem;
}

.side-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.side-stat {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
}

.side-stat strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.22rem;
  color: #fff;
}

.side-stat span {
  color: var(--muted-2);
  font-size: 0.9rem;
}

.login-panel,
.helper-card {
  padding: 42px 38px;
  background: linear-gradient(180deg, rgba(17,24,34,0.96), rgba(14,20,29,0.96));
}

.login-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.login-panel h1,
.helper-card h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.sub,
.helper-card p {
  color: var(--muted);
  line-height: 1.72;
  margin: 12px 0 26px;
}

.field { margin-bottom: 16px; }

.field label {
  display: block;
  margin-bottom: 8px;
  color: #abc0d9;
  font-size: 0.92rem;
}

.field input {
  width: 100%;
  padding: 14px 15px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(8, 12, 18, 0.82);
  color: var(--text);
  outline: none;
  transition: 0.18s ease;
}

.field input:focus {
  border-color: rgba(245, 158, 11, 0.55);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
}

.primary-btn {
  width: 100%;
  padding: 13px 18px;
  border: 0;
  border-radius: 14px;
  color: #151922;
  font-weight: 800;
  background: linear-gradient(135deg, #ffd166, #f59e0b);
  cursor: pointer;
  transition: 0.18s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.primary-btn:hover {
  transform: translateY(-1px);
  filter: saturate(1.05);
}

.primary-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.links-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  color: var(--muted-2);
  font-size: 0.92rem;
}

.links-row a:hover { color: #dfe9f8; }

.login-footer {
  margin-top: 26px;
  text-align: center;
  color: rgba(142, 160, 182, 0.45);
  font-size: 0.84rem;
}

.message {
  display: none;
  margin-bottom: 14px;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.94rem;
}

.message.show { display: block; }
.message.error { background: rgba(239, 68, 68, 0.12); color: #ffb2b2; border: 1px solid rgba(239, 68, 68, 0.22); }
.message.success { background: rgba(51, 209, 122, 0.12); color: #c7f6d7; border: 1px solid rgba(51, 209, 122, 0.22); }

.helper-card {
  width: min(470px, 100%);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.helper-card .brand-mark { margin-bottom: 18px; }

/* ── dashboard shell ────────────────────────────────────────────────────── */

.panel-wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding: 22px 16px 48px;
}

.panel-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.panel-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.panel-brand-copy h1 {
  margin: 0;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.panel-brand-copy p {
  margin: 6px 0 0;
  color: var(--muted);
}

.top-time {
  text-align: right;
  color: rgba(255,255,255,0.55);
  margin-top: 2px;
}

.ghost-btn {
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.03);
  color: rgba(255,255,255,0.78);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ghost-btn:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.2);
}

.ghost-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.icon-btn { gap: 7px; }

/* ── tabs ───────────────────────────────────────────────────────────────── */

.tab-nav {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 6px;
  backdrop-filter: blur(16px);
}

.tab-btn {
  flex: 1;
  padding: 11px 18px;
  border: none;
  border-radius: 14px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: 0.18s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.tab-btn:hover:not(.active) {
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

.tab-btn.active {
  background: linear-gradient(135deg, #ffd166, #f59e0b);
  color: #131922;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── tab section head ───────────────────────────────────────────────────── */

.tab-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.tab-section-title {
  margin: 0 0 6px;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.tab-section-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ── monitor tab shared cards ───────────────────────────────────────────── */

.hero-strip {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
  margin-bottom: 16px;
}

.hero-card,
.summary-bar,
.metric-card,
.service-card,
.chart-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
  backdrop-filter: blur(16px);
}

.hero-card {
  padding: 22px 22px 20px;
}

.hero-card h2 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.hero-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

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

.mini-stat {
  padding: 18px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.mini-stat span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted-2);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mini-stat strong {
  font-size: 1.6rem;
  letter-spacing: -0.03em;
}

.summary-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  padding: 14px 18px;
  color: #aab8ca;
  margin-bottom: 18px;
}

.summary-item strong {
  color: #fff;
  margin-left: 8px;
  font-weight: 700;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.metric-card { padding: 18px 18px 16px; }

.metric-title {
  color: rgba(255,255,255,0.46);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.metric-value {
  font-size: 2.15rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.04em;
}

.metric-value.green { color: var(--signal); }
.metric-value.blue  { color: #7aa2ff; }
.metric-value.red   { color: #ff6b6b; }
.metric-value.white { color: #fff; }

.metric-sub { color: rgba(255,255,255,0.48); font-size: 0.88rem; }

.progress {
  margin-top: 16px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease;
}

.service-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.service-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
}

.service-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 10px rgba(51, 209, 122, 0.5);
  flex-shrink: 0;
}

.status-dot.warn {
  background: var(--accent);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.status-dot.dead {
  background: var(--accent-2);
  box-shadow: 0 0 10px rgba(251, 113, 133, 0.5);
}

.svc-state-text {
  font-size: 0.88rem;
  color: var(--muted);
}

.range-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.range-btn {
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.03);
  color: rgba(255,255,255,0.68);
  padding: 9px 16px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.88rem;
  transition: 0.15s ease;
}

.range-btn:hover:not(.active) { background: rgba(255,255,255,0.06); }

.range-btn.active {
  color: #131922;
  background: linear-gradient(135deg, #ffd166, #f59e0b);
  border-color: transparent;
  font-weight: 700;
}

/* ── charts ─────────────────────────────────────────────────────────────── */

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

.chart-card {
  padding: 18px 16px 14px;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.chart-title {
  color: rgba(255,255,255,0.85);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.chart-badge {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.18);
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.chart-svg {
  width: 100%;
  height: 160px;
  display: block;
  overflow: visible;
}

.chart-footer {
  display: flex;
  justify-content: space-between;
  color: rgba(255,255,255,0.3);
  font-size: 0.8rem;
  margin-top: 8px;
}

.panel-footer {
  text-align: center;
  color: rgba(255,255,255,0.3);
  margin-top: 20px;
  font-size: 0.88rem;
}

/* ── MTG profiles tab ───────────────────────────────────────────────────── */

.mtg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 14px;
}

.mtg-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 64px 20px;
  color: var(--muted-2);
  text-align: center;
}

.mtg-empty p { margin: 0; font-size: 0.94rem; }

.mtg-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.18s ease;
}

.mtg-card:hover { border-color: rgba(255,255,255,0.14); }

.mtg-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.mtg-card-name {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 1rem;
}

.mtg-card-port {
  font-size: 0.82rem;
  color: var(--muted-2);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  padding: 3px 10px;
  border-radius: 999px;
  font-family: monospace;
}

.mtg-field-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.28);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
}

.mtg-field-label {
  font-size: 0.76rem;
  color: var(--muted-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  flex-shrink: 0;
  min-width: 46px;
}

.mtg-field-value {
  flex: 1;
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mtg-secret-blur { filter: blur(4px); transition: filter 0.2s ease; user-select: none; }
.mtg-secret-blur.revealed { filter: none; user-select: text; }

.copy-btn, .reveal-btn {
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  padding: 5px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.76rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: 0.15s ease;
}

.copy-btn:hover, .reveal-btn:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

.copy-btn.copied {
  color: var(--signal);
  border-color: rgba(51, 209, 122, 0.3);
}

.mtg-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.mtg-date {
  font-size: 0.8rem;
  color: var(--muted-2);
}

.mtg-actions {
  display: flex;
  gap: 6px;
}

.small-btn {
  padding: 7px 12px;
  border-radius: 10px;
  font-size: 0.8rem;
  cursor: pointer;
  border: 1px solid var(--line-strong);
  transition: 0.15s ease;
}

.small-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}

.small-ghost:hover { background: rgba(255,255,255,0.08); color: var(--text); }

.small-danger {
  background: rgba(251, 113, 133, 0.08);
  color: var(--accent-2);
  border-color: rgba(251, 113, 133, 0.2);
}

.small-danger:hover { background: rgba(251, 113, 133, 0.16); }

/* ── VPS management tab ─────────────────────────────────────────────────── */

.vps-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  margin-bottom: 14px;
  backdrop-filter: blur(16px);
}

.vps-block-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted-2);
  margin-bottom: 16px;
  font-weight: 600;
}

.vps-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.vps-svc-card {
  background: rgba(0,0,0,0.28);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
}

.vps-svc-head {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
}

.vps-svc-name {
  font-weight: 700;
  font-size: 0.92rem;
}

.vps-svc-state {
  font-size: 0.8rem;
  color: var(--muted-2);
  margin-left: auto;
}

.vps-svc-state.active-state { color: var(--signal); }
.vps-svc-state.warn-state   { color: var(--accent); }
.vps-svc-state.dead-state   { color: var(--accent-2); }

.vps-btn-group {
  display: flex;
  gap: 6px;
}

.vps-btn {
  flex: 1;
  padding: 7px 10px;
  border-radius: 9px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  text-align: center;
  transition: 0.15s ease;
}

.vps-btn:hover { background: rgba(255,255,255,0.09); color: var(--text); }
.vps-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.vps-btn.btn-restart { border-color: rgba(245, 158, 11, 0.25); color: var(--accent); }
.vps-btn.btn-restart:hover { background: rgba(245, 158, 11, 0.1); }

.log-controls {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  align-items: center;
}

.log-select {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(8, 12, 18, 0.82);
  color: var(--text);
  outline: none;
  cursor: pointer;
  min-width: 180px;
}

.log-select:focus { border-color: rgba(245, 158, 11, 0.45); }

.log-terminal {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  font-family: "Cascadia Code", "Consolas", monospace;
  font-size: 0.76rem;
  line-height: 1.7;
  color: rgba(180, 210, 240, 0.8);
  max-height: 340px;
  overflow-y: auto;
  overflow-x: auto;
  white-space: pre;
  margin: 0;
}

.log-terminal::-webkit-scrollbar { width: 6px; height: 6px; }
.log-terminal::-webkit-scrollbar-track { background: transparent; }
.log-terminal::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 999px; }

.danger-zone { border-color: rgba(251, 113, 133, 0.15); }

.danger-title { color: var(--accent-2); }

.danger-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.danger-info strong {
  display: block;
  margin-bottom: 5px;
  font-size: 0.96rem;
}

.danger-info p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.danger-btn {
  padding: 11px 20px;
  border-radius: 12px;
  border: 1px solid rgba(251, 113, 133, 0.3);
  background: rgba(251, 113, 133, 0.08);
  color: var(--accent-2);
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
  transition: 0.15s ease;
}

.danger-btn:hover {
  background: rgba(251, 113, 133, 0.18);
  border-color: rgba(251, 113, 133, 0.5);
}

.danger-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── modal ──────────────────────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.68);
  display: grid;
  place-items: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(6px);
}

.modal-overlay[hidden] { display: none; }

.modal-box {
  width: min(480px, 100%);
  background: rgba(14, 20, 30, 0.98);
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.modal-head h3 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.modal-close-btn {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--muted);
  cursor: pointer;
  padding: 6px;
  display: grid;
  place-items: center;
  transition: 0.15s ease;
}

.modal-close-btn:hover { background: rgba(255,255,255,0.1); color: var(--text); }

.modal-sub {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 20px;
}

.modal-result {
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  line-height: 1.7;
  background: rgba(51, 209, 122, 0.08);
  border: 1px solid rgba(51, 209, 122, 0.18);
  color: #c7f6d7;
}

.modal-result[hidden] { display: none; }
.modal-result.error-result { background: rgba(239, 68, 68, 0.08); border-color: rgba(239, 68, 68, 0.2); color: #ffb2b2; }

.modal-result-link {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 9px;
  padding: 9px 12px;
  margin-top: 10px;
  word-break: break-all;
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--cyan);
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.modal-actions .ghost-btn { flex: 1; justify-content: center; }
.modal-submit-btn { flex: 2; }

/* ── spinner ────────────────────────────────────────────────────────────── */

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  flex-shrink: 0;
}

.spinner[hidden] { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── responsive ─────────────────────────────────────────────────────────── */

/* ── chart hover tooltip ────────────────────────────────────────────────── */

#chart-tooltip {
  position: fixed;
  display: none;
  z-index: 200;
  pointer-events: none;
  background: rgba(10, 14, 22, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 8px 13px;
  min-width: 72px;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.tt-val {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.tt-time {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.38);
  margin-top: 3px;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 1100px) {
  .login-shell,
  .hero-strip,
  .grid-4,
  .charts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .login-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .hero-strip,
  .hero-aside,
  .grid-4,
  .service-row,
  .charts-grid,
  .vps-services-grid {
    grid-template-columns: 1fr;
  }

  .tab-btn span { display: none; }

  .panel-top {
    flex-direction: column;
    align-items: stretch;
  }

  .top-time { text-align: left; }

  .login-side,
  .login-panel,
  .helper-card {
    padding: 28px 24px;
  }

  .danger-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .tab-section-head {
    flex-direction: column;
  }

  .tab-section-head .primary-btn { width: 100%; }
}