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

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-hover: #1c2230;
  --border: #21262d;
  --border-hover: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-dim: #6e7681;
  --green: #3fb950;
  --green-bg: rgba(63, 185, 80, 0.1);
  --red: #f85149;
  --red-bg: rgba(248, 81, 73, 0.1);
  --blue: #58a6ff;
  --yellow: #e3b341;
  --purple: #bc8cff;
  --radius: 10px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

/* ── LOGIN ── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo svg {
  width: 48px;
  height: 48px;
  color: var(--blue);
}

.login-logo h1 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 12px;
  color: var(--text);
}

.login-logo p {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-hover);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
  transition: border-color 0.15s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
}

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

.btn-primary {
  background: var(--blue);
  color: #0d1117;
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

.btn-primary:hover:not(:disabled) { opacity: 0.85; }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 8px 14px;
  font-size: 13px;
}

.btn-ghost:hover { background: var(--border); color: var(--text); }

.error-msg {
  color: var(--red);
  font-size: 13px;
  margin-top: 12px;
  text-align: center;
  min-height: 20px;
}

/* ── DASHBOARD LAYOUT ── */
.dash-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.dash-header-left svg {
  color: var(--blue);
  width: 22px;
  height: 22px;
}

.dash-header-left span {
  font-weight: 600;
  font-size: 15px;
}

.dash-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.updated-at {
  font-size: 12px;
  color: var(--text-dim);
}

.dash-content {
  padding: 20px 28px;
}

/* ── SUMMARY CARDS ── */
.summary-row {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  min-width: 180px;
}

.summary-card .label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.summary-card .count {
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
}

.summary-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.summary-card.active .count { color: var(--green); }
.summary-card.active .icon { background: var(--green-bg); color: var(--green); }
.summary-card.inactive .count { color: var(--red); }
.summary-card.inactive .icon { background: var(--red-bg); color: var(--red); }

/* ── FILTER BAR ── */
.filter-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.search-wrap {
  flex: 1;
  min-width: 180px;
  position: relative;
}

.search-wrap svg {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.search-wrap input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px 9px 34px;
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}

.search-wrap input:focus { border-color: var(--blue); }
.search-wrap input::placeholder { color: var(--text-dim); }

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

.filter-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  cursor: pointer;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.filter-checkbox input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-hover);
  border-radius: 4px;
  background: var(--bg);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}

.filter-checkbox input[type="checkbox"]:checked {
  background: var(--green);
  border-color: var(--green);
}

.filter-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: 2px solid #0d1117;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.filter-checkbox:hover span { color: var(--text); }

.total-badge {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

.total-badge span {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 12px;
  font-weight: 600;
  color: var(--text);
  font-size: 14px;
}

/* ── CARDS GRID ── */
.server-section { margin-bottom: 32px; }

.server-section-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 14px;
  padding-left: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.server-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 14px;
}

@media (max-width: 1800px) { .cards-grid { grid-template-columns: repeat(6, 1fr); } }
@media (max-width: 1500px) { .cards-grid { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 1200px) { .cards-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 900px)  { .cards-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px)  { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 400px)  { .cards-grid { grid-template-columns: 1fr; } }

.db-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.15s, transform 0.1s;
}

.db-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.db-card-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.db-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.version-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(88, 166, 255, 0.12);
  color: var(--blue);
  white-space: nowrap;
  flex-shrink: 0;
}

.version-badge.offline {
  background: rgba(110, 118, 129, 0.15);
  color: var(--text-dim);
}

.db-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  word-break: break-all;
  line-height: 1.3;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  align-self: flex-start;
}

.badge-active { background: var(--green-bg); color: var(--green); }
.badge-inactive { background: var(--red-bg); color: var(--red); }

.db-metrics {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.metric-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.metric-icon.nfe      { color: var(--blue); }
.metric-icon.sales    { color: var(--yellow); }
.metric-icon.prod     { color: var(--purple); }
.metric-icon.empresas { color: #34d399; }

.metric-label {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 52px;
}

.metric-count {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  min-width: 50px;
}

.metric-count.empty { color: var(--text-dim); font-weight: 400; }

.metric-date {
  font-size: 11px;
  color: var(--text-dim);
  margin-left: auto;
}


.db-card-footer {
  border-top: 1px solid var(--border);
  padding-top: 10px;
  font-size: 11px;
  text-align: center;
}

.db-card-footer.active  { color: var(--green); }
.db-card-footer.inactive { color: var(--red); }
.db-card-footer.unknown { color: var(--text-dim); }

/* ── LOADING & EMPTY ── */
.loading-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  gap: 16px;
  color: var(--text-muted);
  font-size: 14px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

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

.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-muted);
}

.empty-state svg { width: 40px; height: 40px; color: var(--text-dim); margin-bottom: 12px; }

.error-banner {
  background: var(--red-bg);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--red);
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hidden { display: none !important; }

/* ── COUNTDOWN RING ── */
.countdown-ring {
  transform: rotate(-90deg);
  flex-shrink: 0;
}

.countdown-bg {
  fill: none;
  stroke: rgba(255,255,255,0.1);
  stroke-width: 2;
}

.countdown-arc {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2;
  stroke-dasharray: 37.7;
  stroke-dashoffset: 0;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear;
}