/* ============================================================
   SwiftAB Proxy Manager — Global Stylesheet
   Dark theme: #0f1117 base, accent blues/greens
   ============================================================ */

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

:root {
  --bg-base:       #0f1117;
  --bg-surface:    #161b27;
  --bg-elevated:   #1e2436;
  --bg-hover:      #242b3d;
  --border:        #2a3148;
  --border-subtle: #1e2436;

  --text-primary:   #e8eaf0;
  --text-secondary: #8b92a8;
  --text-muted:     #4a5270;

  --accent-blue:   #3b82f6;
  --accent-blue-h: #2563eb;
  --accent-green:  #22c55e;
  --accent-green-h:#16a34a;
  --accent-red:    #ef4444;
  --accent-red-h:  #dc2626;
  --accent-amber:  #f59e0b;
  --accent-purple: #a855f7;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --transition: 150ms ease;
}

html {
  font-size: 15px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }
h4 { font-size: 0.95rem; }

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* ── Layout ── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navbar ── */
.navbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 16px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  text-decoration: none;
}
.navbar-brand svg {
  flex-shrink: 0;
}
.navbar-brand:hover { text-decoration: none; }
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--transition), opacity var(--transition), transform 60ms ease;
  white-space: nowrap;
  line-height: 1;
  user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

.btn-primary  { background: var(--accent-blue);  color: #fff; }
.btn-primary:hover  { background: var(--accent-blue-h); }

.btn-success  { background: var(--accent-green); color: #fff; }
.btn-success:hover  { background: var(--accent-green-h); }

.btn-danger   { background: var(--accent-red);   color: #fff; }
.btn-danger:hover   { background: var(--accent-red-h); }

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

.btn-sm {
  padding: 5px 11px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  padding: 7px;
  border-radius: var(--radius-sm);
  aspect-ratio: 1;
}

/* ── Cards ── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-color: var(--border); box-shadow: var(--shadow-md); }

/* ── Site Grid ── */
.sites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.site-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.site-card:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px var(--accent-blue)22, var(--shadow-md);
  transform: translateY(-1px);
}
.site-card.disabled {
  opacity: 0.55;
  border-color: var(--border-subtle);
}
.site-card.disabled:hover { border-color: var(--border); }

.site-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.site-card-title {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.site-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.site-subdomain {
  font-size: 0.78rem;
  color: var(--accent-blue);
  font-family: var(--font-mono);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.status-badge.active {
  background: rgba(34, 197, 94, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(34, 197, 94, 0.25);
}
.status-badge.disabled {
  background: rgba(139, 146, 168, 0.12);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.status-badge.cert-failed {
  background: rgba(239, 68, 68, 0.12);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.status-badge.active .status-dot {
  box-shadow: 0 0 4px currentColor;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.site-target {
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.site-target span { color: var(--text-muted); }

.site-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 99px;
  border: 1px solid;
}
.cert-badge.ok { color: var(--accent-green); border-color: rgba(34,197,94,0.3); background: rgba(34,197,94,0.08); }
.cert-badge.failed { color: var(--accent-red); border-color: rgba(239,68,68,0.3); background: rgba(239,68,68,0.08); }
.cert-badge.pending { color: var(--accent-amber); border-color: rgba(245,158,11,0.3); background: rgba(245,158,11,0.08); }

.site-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  margin-top: auto;
}
.site-card-actions .spacer { flex: 1; }

/* ── Stats bar ── */
.stats-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}
.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 72px 24px;
  color: var(--text-muted);
}
.empty-state svg {
  margin: 0 auto 16px;
  opacity: 0.3;
}
.empty-state h3 {
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.empty-state p {
  font-size: 0.875rem;
  margin-bottom: 24px;
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 16px;
  animation: fadeIn 150ms ease;
}
.modal-overlay.hidden { display: none; }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 200ms ease;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-size: 1.1rem;
  font-weight: 600;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  line-height: 0;
  transition: color var(--transition), background var(--transition);
}
.modal-close:hover { color: var(--text-primary); background: var(--bg-hover); }

.modal-body {
  padding: 20px 24px;
}
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── Forms ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.form-group:last-child { margin-bottom: 0; }

label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}
label span.req { color: var(--accent-red); margin-left: 2px; }

input[type="text"],
input[type="password"],
input[type="email"],
textarea,
select {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 9px 12px;
  width: 100%;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }

textarea {
  resize: vertical;
  min-height: 100px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: -2px;
}

.input-group {
  display: flex;
  gap: 0;
}
.input-group input {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  border-right: none;
  flex: 1;
}
.input-addon {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 9px 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
  display: flex;
  align-items: center;
}

/* ── Toast notifications ── */
.toasts {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.875rem;
  max-width: 340px;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: all;
  animation: toastIn 200ms ease;
  box-shadow: var(--shadow-md);
}
.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error   { border-left: 3px solid var(--accent-red); }
.toast.info    { border-left: 3px solid var(--accent-blue); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}
.toast.removing {
  animation: toastOut 200ms ease forwards;
}

.toast-icon { flex-shrink: 0; }
.toast-msg  { flex: 1; line-height: 1.4; }

/* ── Page header ── */
.page-header {
  padding: 28px 0 20px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.page-title-block h1 {
  font-size: 1.65rem;
  letter-spacing: -0.03em;
}
.page-title-block p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 3px;
}

/* ── Confirm dialog ── */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 16px;
}
.confirm-overlay.hidden { display: none; }
.confirm-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 28px 24px;
  max-width: 400px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: slideUp 200ms ease;
}
.confirm-box h3 { margin-bottom: 10px; }
.confirm-box p { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 20px; }
.confirm-actions { display: flex; justify-content: flex-end; gap: 10px; }

/* ── Settings panel ── */
.settings-section {
  margin-top: 24px;
}
.settings-section h2 {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

/* ── Loading spinner ── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 600ms linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Login page ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(59,130,246,0.12), transparent),
    var(--bg-base);
  padding: 16px;
}
.login-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}
.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.login-logo-mark {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-logo-text h1 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.login-logo-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.login-card h2 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}
.login-card .subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--accent-red);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.85rem;
  margin-bottom: 14px;
  display: none;
}
.login-error.visible { display: block; }

/* ── Nginx status indicator ── */
.nginx-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.nginx-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
}
.nginx-dot.error { background: var(--accent-red); }

/* ── Responsive ── */
@media (max-width: 640px) {
  .sites-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .stats-bar { gap: 16px; }
  .login-card { padding: 28px 20px; }
}