:root {
  --bg-main: #0a0c10;
  --bg-card: #13161f;
  --bg-card-hover: #181c28;
  --bg-input: #0e1017;
  --border-color: #202433;
  --border-focus: #3b82f6;

  --accent-blue: #2563eb;
  --accent-blue-hover: #1d4ed8;
  --accent-cyan: #38bdf8;
  --accent-emerald: #10b981;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.hidden {
  display: none !important;
}

/* ----------------------------------------------------
   AUTHENTICATION VIEW
---------------------------------------------------- */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.auth-header {
  text-align: center;
  margin-bottom: 28px;
}

.logo-badge {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  background: #171b26;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.auth-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.auth-header p {
  color: var(--text-muted);
  font-size: 13px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 6px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-dim);
  pointer-events: none;
}

.input-wrapper input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px 12px 42px;
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease;
}

.input-wrapper input:focus {
  border-color: var(--border-focus);
}

.btn-icon-eye {
  position: absolute;
  right: 14px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
}

.btn-icon-eye:hover {
  color: var(--text-main);
}

.alert-error {
  background: #2a1215;
  border: 1px solid #5c1d24;
  color: #f87171;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 18px;
}

.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s ease;
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
}

.w-full {
  width: 100%;
}

.auth-footer {
  margin-top: 22px;
  text-align: center;
}

.secure-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-emerald);
  font-size: 12px;
  font-weight: 500;
}

/* ----------------------------------------------------
   DASHBOARD VIEW
---------------------------------------------------- */
.dashboard-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* HEADER */
.app-header {
  height: 64px;
  padding: 0 28px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-icon {
  width: 34px;
  height: 34px;
  background: #1c2130;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-dim);
}

.status-pill {
  background: #0d2118;
  border: 1px solid #164e3b;
  padding: 5px 12px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--accent-emerald);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
}

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

.nav-tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-input);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-tab:hover {
  color: var(--text-main);
}

.nav-tab.active {
  background: #232838;
  color: #ffffff;
}

.btn-secondary {
  background: #171b26;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s ease;
}

.btn-secondary:hover {
  background: #202534;
}

.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}

/* MAIN CONTENT */
.app-main {
  flex: 1;
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 20px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* SEARCH HERO */
.search-hero {
  text-align: center;
  margin-bottom: 40px;
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 540px;
  margin: 0 auto 28px;
  line-height: 1.5;
}

/* SEARCH INPUT BOX */
.proxy-search-box {
  max-width: 740px;
  margin: 0 auto 18px;
}

.search-input-group {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 6px 8px 6px 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: border-color 0.15s ease;
}

.search-input-group:focus-within {
  border-color: var(--border-focus);
}

.search-protocol {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 14px;
  margin-right: 10px;
  display: flex;
  align-items: center;
  gap: 4px;
  user-select: none;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 15px;
  outline: none;
  padding: 8px 0;
}

.btn-search-go {
  background: var(--accent-blue);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-lg);
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s ease;
}

.btn-search-go:hover {
  background: var(--accent-blue-hover);
}

.quick-options {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.toggle-control {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  color: var(--text-muted);
}

.toggle-control input {
  display: none;
}

.toggle-slider {
  width: 32px;
  height: 18px;
  background: #252a3a;
  border-radius: 9999px;
  position: relative;
  transition: background 0.15s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform 0.15s;
}

.toggle-control input:checked + .toggle-slider {
  background: var(--accent-blue);
}

.toggle-control input:checked + .toggle-slider::before {
  transform: translateX(14px);
}

/* BOOKMARKS */
.bookmarks-section {
  max-width: 820px;
  margin: 0 auto;
}

.section-title {
  font-size: 15px;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 14px;
}

.bookmarks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.bookmark-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.bookmark-card:hover {
  background: var(--bg-card-hover);
  border-color: #31384c;
}

.bm-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: #1a1e2a;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.bm-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.bm-name {
  font-size: 13px;
  font-weight: 600;
  color: #f1f5f9;
}

.bm-sub {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* FORWARD PROXY CONFIG CARD */
.proxy-guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 28px;
}

.guide-header h2 {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

.guide-header p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 24px;
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 30px;
}

.config-field {
  background: #0f121a;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cfg-label {
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cfg-value {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-cyan);
}

.copy-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-copy, .btn-copy-code {
  background: #1c2130;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-copy:hover, .btn-copy-code:hover {
  background: #252c40;
  color: #ffffff;
}

.btn-copy.copied, .btn-copy-code.copied {
  background: #143526;
  color: #34d399;
  border-color: #1b533b;
}

.code-snippets h3 {
  font-size: 15px;
  color: #cbd5e1;
  margin-bottom: 12px;
}

.snippet-block {
  background: #0d1017;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
}

.snippet-header {
  padding: 8px 14px;
  background: #121622;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}

.snippet-block pre {
  padding: 14px;
  overflow-x: auto;
}

.snippet-block code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: #cbd5e1;
}

/* SETTINGS CARD */
.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 28px;
}

.settings-card h2 {
  font-size: 20px;
  color: #ffffff;
  margin-bottom: 20px;
}

.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}

.settings-item:last-child {
  border-bottom: none;
}

.settings-item strong {
  display: block;
  font-size: 14px;
  color: #f1f5f9;
  margin-bottom: 3px;
}

.settings-item p {
  font-size: 13px;
  color: var(--text-muted);
}

.settings-item code {
  background: #0d1017;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-cyan);
}

.badge-success {
  background: #0f291e;
  color: #34d399;
  border: 1px solid #164e3b;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-user {
  background: #142238;
  color: var(--accent-cyan);
  border: 1px solid #1d3d66;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

/* FOOTER */
.app-footer {
  padding: 20px 28px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}

@media (max-width: 768px) {
  .app-header {
    padding: 0 16px;
    height: auto;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .header-center {
    display: none;
  }
  .hero-title {
    font-size: 24px;
  }
  .bookmarks-grid {
    grid-template-columns: 1fr;
  }
  .app-footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}