/* ========== RESET & BASE ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --sidebar-width: 280px;
  --topbar-height: 56px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  /* Colors */
  --bg-sidebar: #f7f8fa;
  --bg-main: #ffffff;
  --bg-code: #f4f5f7;
  --bg-input: #f9fafb;
  --border: #e5e7eb;
  --border-light: #f0f1f3;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;

  /* Method Colors */
  --get: #22c55e;
  --get-bg: #f0fdf4;
  --post: #3b82f6;
  --post-bg: #eff6ff;
  --patch: #f59e0b;
  --patch-bg: #fffbeb;
  --delete: #ef4444;
  --delete-bg: #fef2f2;

  /* Status */
  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ========== LOGIN OVERLAY ========== */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s, visibility 0.3s;
}

.login-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.login-card {
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.login-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.login-logo span {
  color: var(--post);
}

.login-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.5;
}

.login-form {
  text-align: left;
}

.login-field {
  margin-bottom: 16px;
}

.login-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.login-field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color 0.15s;
  background: var(--bg-input);
}

.login-field input:focus {
  border-color: var(--post);
}

.login-field input::placeholder {
  color: var(--text-muted);
}

.login-error {
  font-size: 13px;
  color: var(--error);
  min-height: 20px;
  margin-bottom: 8px;
  text-align: center;
}

.login-btn {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 6px;
  background: var(--post);
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.login-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.login-btn:active {
  transform: translateY(0);
}

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

/* Topbar logout */
.btn-logout {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  background: var(--bg-main);
  color: var(--text-secondary);
  transition: all 0.15s;
  margin-left: 8px;
}

.btn-logout:hover {
  border-color: var(--error);
  color: var(--error);
}

/* ========== TOPBAR ========== */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-height);
  background: var(--bg-main);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
  gap: 16px;
}

.topbar-logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.topbar-logo span {
  color: var(--post);
}

.topbar-auth {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.auth-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.auth-tab {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  border: none;
  background: var(--bg-main);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.auth-tab:not(:last-child) {
  border-right: 1px solid var(--border);
}

.auth-tab.active {
  background: var(--post);
  color: white;
}

.auth-input-group {
  display: none;
  align-items: center;
  gap: 6px;
}

.auth-input-group.active {
  display: flex;
}

.auth-input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  font-family: var(--font-mono);
  width: 220px;
  outline: none;
  transition: border-color 0.15s;
}

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

.auth-input::placeholder {
  color: var(--text-muted);
}

/* ========== LAYOUT ========== */
.layout {
  display: flex;
  margin-top: var(--topbar-height);
  min-height: calc(100vh - var(--topbar-height));
}

/* ========== SIDEBAR ========== */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  bottom: 0;
  overflow-y: auto;
  padding: 16px 0;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.sidebar-search {
  padding: 0 12px 12px;
}

.sidebar-search input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: var(--bg-main);
  outline: none;
  transition: border-color 0.15s;
}

.sidebar-search input:focus {
  border-color: var(--post);
}

.sidebar-search input::placeholder {
  color: var(--text-muted);
}

/* Category */
.category {
  margin-bottom: 4px;
}

.category-header {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}

.category-header:hover {
  background: rgba(0, 0, 0, 0.03);
}

.category-arrow {
  width: 16px;
  height: 16px;
  margin-right: 6px;
  color: var(--text-muted);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.category.open .category-arrow {
  transform: rotate(90deg);
}

.category-name {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.category-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-main);
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 500;
}

/* Endpoint list */
.endpoint-list {
  display: none;
  padding: 2px 0;
}

.category.open .endpoint-list {
  display: block;
}

.endpoint-item {
  display: flex;
  align-items: center;
  padding: 6px 16px 6px 38px;
  cursor: pointer;
  transition: background 0.15s;
  gap: 8px;
}

.endpoint-item:hover {
  background: rgba(0, 0, 0, 0.03);
}

.endpoint-item.active {
  background: rgba(59, 130, 246, 0.08);
  border-right: 2px solid var(--post);
}

.method-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 0.3px;
  flex-shrink: 0;
  min-width: 42px;
  text-align: center;
}

.method-badge.get {
  color: var(--get);
  background: var(--get-bg);
}

.method-badge.post {
  color: var(--post);
  background: var(--post-bg);
}

.method-badge.patch {
  color: var(--patch);
  background: var(--patch-bg);
}

.method-badge.delete {
  color: var(--delete);
  background: var(--delete-bg);
}

.endpoint-path {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.endpoint-item.active .endpoint-path {
  color: var(--text-primary);
}

/* ========== MAIN CONTENT ========== */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 32px 40px;
  max-width: 900px;
}

/* Welcome */
.welcome {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
}

.welcome h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.welcome p {
  font-size: 14px;
}

/* Endpoint Detail */
.endpoint-detail {
  display: none;
}

.endpoint-detail.active {
  display: block;
}

/* Header */
.detail-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.detail-method-url {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.detail-method {
  font-size: 13px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}

.detail-method.get {
  color: var(--get);
  background: var(--get-bg);
}

.detail-method.post {
  color: var(--post);
  background: var(--post-bg);
}

.detail-method.patch {
  color: var(--patch);
  background: var(--patch-bg);
}

.detail-method.delete {
  color: var(--delete);
  background: var(--delete-bg);
}

.detail-url {
  font-size: 15px;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-primary);
}

.detail-summary {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.detail-description {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Auth badge */
.auth-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
  margin-top: 10px;
}

.auth-badge.jwt {
  color: #7c3aed;
  background: #f5f3ff;
}

.auth-badge.apikey {
  color: #0891b2;
  background: #ecfeff;
}

.auth-badge.none {
  color: var(--text-muted);
  background: var(--bg-code);
}

.auth-badge svg {
  width: 12px;
  height: 12px;
}

/* Section */
.detail-section {
  margin-bottom: 24px;
}

.section-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* Parameters table */
.params-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.params-table th {
  text-align: left;
  padding: 8px 12px;
  background: var(--bg-code);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

.params-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}

.param-name {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-primary);
  font-size: 13px;
}

.param-required {
  color: var(--error);
  font-size: 10px;
  font-weight: 600;
  margin-left: 4px;
}

.param-type {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.param-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.param-input {
  width: 100%;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--font-mono);
  background: var(--bg-input);
  outline: none;
  transition: border-color 0.15s;
}

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

.param-input::placeholder {
  color: var(--text-muted);
}

/* Request body */
.body-editor {
  width: 100%;
  min-height: 140px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-mono);
  line-height: 1.5;
  background: var(--bg-code);
  color: var(--text-primary);
  outline: none;
  resize: vertical;
  tab-size: 2;
  transition: border-color 0.15s;
}

.body-editor:focus {
  border-color: var(--post);
}

/* Try it out */
.try-section {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
}

.btn-send {
  padding: 8px 20px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-send.get {
  background: var(--get);
  color: white;
}

.btn-send.post {
  background: var(--post);
  color: white;
}

.btn-send.patch {
  background: var(--patch);
  color: white;
}

.btn-send.delete {
  background: var(--delete);
  color: white;
}

.btn-send:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-send:active {
  transform: translateY(0);
}

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

.btn-send svg {
  width: 14px;
  height: 14px;
}

.btn-clear {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: var(--bg-main);
  color: var(--text-secondary);
  transition: all 0.15s;
}

.btn-clear:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
}

/* Response */
.response-section {
  display: none;
}

.response-section.active {
  display: block;
}

.response-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.status-badge {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.status-badge.success {
  color: var(--success);
  background: var(--get-bg);
}

.status-badge.error {
  color: var(--error);
  background: var(--delete-bg);
}

.status-badge.warning {
  color: var(--warning);
  background: var(--patch-bg);
}

.response-time {
  font-size: 12px;
  color: var(--text-muted);
}

.response-body {
  background: #1e293b;
  color: #e2e8f0;
  padding: 16px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 500px;
  overflow-y: auto;
}

.response-body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.response-body::-webkit-scrollbar-thumb {
  background: #475569;
  border-radius: 4px;
}

/* JSON syntax */
.json-key {
  color: #93c5fd;
}

.json-string {
  color: #86efac;
}

.json-number {
  color: #fbbf24;
}

.json-boolean {
  color: #c084fc;
}

.json-null {
  color: #f87171;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Example values */
.example-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
}

/* Enum select */
.param-select {
  width: 100%;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--font-mono);
  background: var(--bg-input);
  outline: none;
  cursor: pointer;
}

.param-select:focus {
  border-color: var(--post);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    position: relative;
    top: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 300px;
  }

  .layout {
    flex-direction: column;
  }

  .main {
    margin-left: 0;
    padding: 20px 16px;
  }

  .topbar-auth {
    display: none;
  }

  .auth-input {
    width: 160px;
  }
}