/* ── Navbar ─────────────────────────────────────────────────────────────── */
.navbar {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: 60px;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.025em;
  flex-shrink: 0;
}

.nav-logo {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #635BFF, #818CF8);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  letter-spacing: -0.02em;
  font-family: var(--font-sans);
  box-shadow: 0 0 14px rgba(99,91,255,0.45);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Nav links (base) ────────────────────────────────────────────────────── */
.nav-links a {
  text-decoration: none;
}

/* Ghost button — 대시보드 */
.nav-text-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: 7px;
  color: #64748B;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
  background: transparent;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-text-link:hover { background: rgba(99,91,255,0.08); color: #635BFF; }
.nav-text-link::after { display: none !important; }

/* Filled button — 새 어노테이션 */
.nav-cta-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 18px;
  border-radius: 8px;
  background: #635BFF;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(99,91,255,0.45);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.nav-cta-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(99,91,255,0.60);
  color: #fff;
}

.nav-cta-link::after { display: none !important; }

/* ── Logout button ───────────────────────────────────────────────────────── */
.nav-logout {
  display: inline-flex;
  align-items: center;
  background: transparent;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  color: #64748B;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-logout:hover {
  border-color: rgba(99,91,255,0.50);
  color: #635BFF;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #635BFF;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0 24px;
  height: 44px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: all 0.15s ease;
  box-shadow: 0 2px 8px rgba(99,91,255,0.35);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(99,91,255,0.45);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(99,91,255,0.35);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--bg);
  border: 1.5px solid #635BFF;
  border-radius: 8px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  color: #635BFF;
  transition: all 0.15s ease;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.btn-outline:hover {
  background: #635BFF;
  color: #fff;
  box-shadow: 0 4px 12px rgba(99,91,255,0.28);
}

/* ── Dark button (JSONL 다운로드) ────────────────────────────────────────── */
.btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #1a1a2e;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0 20px;
  height: 40px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  letter-spacing: -0.01em;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-dark:hover {
  background: #252547;
  box-shadow: 0 4px 14px rgba(26,26,46,0.32);
  transform: translateY(-1px);
}

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

/* ── Cards ──────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-light);
}

.card h3 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ── Shared form elements ────────────────────────────────────────────────── */
.form-group  { display: flex; flex-direction: column; gap: 7px; }
.form-label  { font-size: 13px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }

.form-input {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
}

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

/* ── Navbar pipeline indicator ───────────────────────────────────────────── */
.nav-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: #FCD34D;
  padding: 5px 12px;
  background: rgba(245,158,11,0.14);
  border: 1px solid rgba(245,158,11,0.28);
  border-radius: 99px;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.nav-indicator-dot {
  width: 7px;
  height: 7px;
  background: #F59E0B;
  border-radius: 50%;
  flex-shrink: 0;
  animation: nav-dot-pulse 1.4s ease-in-out infinite;
}

@keyframes nav-dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(0.75); }
}

/* ── Version badge ───────────────────────────────────────────────────────── */
.nav-version {
  font-size: 11px;
  font-weight: 600;
  color: #818CF8;
  background: rgba(99,91,255,0.18);
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: 0.02em;
  border: 1px solid rgba(99,91,255,0.25);
  font-family: var(--font-mono);
}

/* ── Toast notifications ──────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  align-items: flex-end;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--bg);
  border-radius: 10px;
  padding: 13px 16px 13px 14px;
  min-width: 280px;
  max-width: 400px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.11), 0 1px 4px rgba(0,0,0,0.07);
  border-left: 3.5px solid transparent;
  pointer-events: all;
  transform: translateX(calc(100% + 28px));
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.2, 0.64, 1), opacity 0.2s ease;
  will-change: transform, opacity;
}

.toast.toast-show {
  transform: translateX(0);
  opacity: 1;
}

.toast.toast-hide {
  transform: translateX(calc(100% + 28px));
  opacity: 0;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.toast-success { border-left-color: #10B981; }
.toast-error   { border-left-color: #EF4444; }
.toast-warning { border-left-color: #F59E0B; }
.toast-info    { border-left-color: #635BFF; }

.toast-icon { flex-shrink: 0; margin-top: 1px; display: flex; }
.toast-success .toast-icon { color: #10B981; }
.toast-error   .toast-icon { color: #EF4444; }
.toast-warning .toast-icon { color: #F59E0B; }
.toast-info    .toast-icon { color: #635BFF; }

.toast-message {
  flex: 1;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  letter-spacing: -0.01em;
  font-family: var(--font-sans);
  white-space: pre-line;
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  padding: 0 0 0 6px;
  transition: color 0.12s;
  margin-top: -2px;
}
.toast-close:hover { color: var(--text); }

/* ── Loading skeletons ────────────────────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position:  400px 0; }
}

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e5e5e5 50%, #f0f0f0 75%);
  background-size: 400px 100%;
  animation: shimmer 1.6s infinite linear;
  border-radius: 6px;
  display: block;
}

.skel-annotation-item {
  padding: 18px 20px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--bg);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.skel-annotation-left { flex: 1; min-width: 0; }
.skel-annotation-right { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; flex-shrink: 0; }

/* ── Nav user avatar + dropdown ───────────────────────────────────────────── */
.nav-user {
  position: relative;
}

.nav-avatar-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px 8px 4px 4px;
  border-radius: 8px;
  font-family: var(--font-sans);
  transition: background 0.15s;
}

.nav-avatar-btn:hover {
  background: rgba(99,91,255,0.08);
}

.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #635BFF, #818CF8);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: -0.01em;
  box-shadow: 0 0 12px rgba(99,91,255,0.35);
}

.nav-username {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  max-width: 100px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-avatar-chevron {
  color: #9CA3AF;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.nav-avatar-btn[aria-expanded="true"] .nav-avatar-chevron {
  transform: rotate(180deg);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12), 0 1px 3px rgba(0,0,0,0.06);
  min-width: 220px;
  padding: 6px;
  z-index: 500;
}

.user-dropdown[hidden] { display: none; }

.dropdown-info {
  padding: 10px 12px 12px;
}

.dropdown-name {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 3px;
}

.dropdown-email {
  display: block;
  font-size: 12px;
  color: #9CA3AF;
  letter-spacing: -0.01em;
}

.dropdown-divider {
  border: none;
  border-top: 1px solid #F3F4F6;
  margin: 4px 0;
}

.dropdown-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-sans);
  color: #EF4444;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.dropdown-logout:hover {
  background: var(--red-light);
}

/* ── Site footer ─────────────────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 32px 24px 36px;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  margin-top: 24px;
  letter-spacing: 0.01em;
}

.footer-tech {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  font-size: 12px;
}

.footer-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
}

.footer-chip-ai {
  background: #EEECFF;
  border-color: rgba(99,91,255,0.2);
  color: #635BFF;
}

.footer-by {
  font-size: 11.5px;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.footer-by a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.footer-by a:hover { text-decoration: underline; }

.form-error {
  font-size: 13px;
  color: var(--red);
  background: var(--red-light);
  border-radius: var(--radius);
  padding: 10px 14px;
  border: 1px solid rgba(220,38,38,0.15);
}

/* ───────────────────────────────────────────────────────────────────────────
   다크모드 토글 버튼 (theme.js가 .nav-links에 주입)
   ─────────────────────────────────────────────────────────────────────────── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.theme-toggle:hover { background: var(--bg-subtle-hover); transform: translateY(-1px); }
.theme-toggle:active { transform: translateY(0); }

/* ───────────────────────────────────────────────────────────────────────────
   다크모드: 네비바 및 텍스트 오버라이드
   ─────────────────────────────────────────────────────────────────────────── */
:root[data-theme="dark"] .navbar {
  background: rgba(15,17,23,0.92);
  border-bottom: 1px solid var(--border);
}
:root[data-theme="dark"] .nav-brand { color: var(--text); }

/* ───────────────────────────────────────────────────────────────────────────
   반응형 — 네비바 / 토스트
   ─────────────────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar { padding: 0 16px; }
  .nav-version { display: none; }
  .nav-username { display: none; }
  .nav-links { gap: 12px; }
}
@media (max-width: 480px) {
  .nav-brand { font-size: 14px; gap: 8px; }
  .nav-logo { width: 30px; height: 30px; font-size: 11px; }
  #toast-container { left: 16px; right: 16px; }
  .toast { max-width: 100%; }
}