:root {
  --black: #151515;
  --dark: #232631;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --white: #ffffff;
  --yellow: #f5c500;
  --yellow-dark: #d4a800;
  --red: #cc0000;
  --green: #0f9d58;
  --shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
  --radius: 20px;
  --radius-sm: 12px;
}
* { box-sizing: border-box; }
body.admin-body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 55%, #fff7ed 100%);
  color: var(--text);
}
.hidden { display: none !important; }
.logo-de { color: var(--black); }
.logo-plus { color: var(--red); }
.logo-dot { color: var(--yellow-dark); }
.admin-login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.admin-login-card,
.admin-section,
.summary-card,
.admin-topbar {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.7);
  box-shadow: var(--shadow);
}
.admin-login-card {
  width: min(100%, 470px);
  border-radius: 28px;
  padding: 34px;
}
.admin-brand {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.admin-brand-small { font-size: 1.45rem; margin-bottom: 4px; }
.admin-login-card h1,
.admin-topbar h2,
.admin-section h3 { margin: 0 0 8px; }
.admin-login-card p,
.admin-topbar p,
.admin-section-head p {
  color: var(--muted);
  margin: 0;
}
.admin-login-form,
.lang-editor-card,
.media-editor-card,
.course-editor-card {
  display: grid;
  gap: 14px;
}
.admin-login-form { margin-top: 24px; }
label { display: grid; gap: 8px; font-size: 0.92rem; font-weight: 600; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: rgba(245,197,0,0.9);
  box-shadow: 0 0 0 4px rgba(245,197,0,0.18);
}
.admin-login-note {
  min-height: 22px;
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--red);
}
.admin-btn {
  border: none;
  border-radius: 14px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.admin-btn:hover { transform: translateY(-1px); }
.admin-btn-primary {
  background: linear-gradient(135deg, var(--yellow), #ffdd57);
  color: var(--black);
  box-shadow: 0 14px 30px rgba(245,197,0,0.25);
}
.admin-btn-light { background: #fff; color: var(--text); border: 1px solid var(--line); }
.admin-btn-danger { background: linear-gradient(135deg, #d61f1f, #a60000); color: #fff; }
.admin-app { padding: 24px; }
.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-radius: 24px;
  padding: 22px 24px;
  margin-bottom: 22px;
}
.admin-topbar-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.admin-status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 84px;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .05em;
  font-size: .78rem;
  background: #111827;
  color: #fff;
}
.admin-main { display: grid; gap: 22px; }
.admin-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.summary-card {
  border-radius: 22px;
  padding: 22px;
}
.summary-card span { display: block; color: var(--muted); margin-bottom: 8px; }
.summary-card strong { font-size: 1.9rem; }
.admin-section {
  border-radius: 24px;
  padding: 24px;
}
.admin-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.admin-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}
.admin-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  background: #fff;
}
.admin-toggle input { width: 18px; height: 18px; }
.admin-lang-grid,
.media-editor-grid,
.courses-editor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.lang-editor-card,
.media-editor-card,
.course-editor-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
}
.lang-editor-card h4,
.media-editor-card h4,
.course-editor-card h4 {
  margin: 0 0 8px;
}
.course-editor-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.course-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .86rem;
  color: var(--muted);
}
.course-toggle input { width: 16px; height: 16px; }
.json-editor {
  min-height: 340px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  line-height: 1.6;
}
.applications-table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
}
.applications-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1100px;
  background: #fff;
}
.applications-table th,
.applications-table td {
  border-bottom: 1px solid var(--line);
  padding: 14px 12px;
  text-align: left;
  vertical-align: top;
}
.applications-table th {
  background: #f8fafc;
  color: var(--muted);
  font-size: .84rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.application-message {
  max-width: 240px;
  white-space: pre-wrap;
  color: var(--text);
}
.application-note {
  min-width: 180px;
  min-height: 84px;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  background: rgba(15, 157, 88, 0.1);
  color: var(--green);
}
.status-pill.is-new { background: rgba(245,197,0,0.18); color: #7a5800; }
.status-pill.is-contacted { background: rgba(59,130,246,0.12); color: #1d4ed8; }
.status-pill.is-done { background: rgba(15,157,88,0.12); color: #0f9d58; }
.status-pill.is-cancelled { background: rgba(204,0,0,0.1); color: var(--red); }
.admin-empty {
  text-align: center;
  color: var(--muted);
  padding: 28px 14px;
}
.admin-toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #111827;
  color: #fff;
  padding: 14px 18px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease;
  z-index: 999;
}
.admin-toast.show {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 1200px) {
  .admin-summary-grid,
  .admin-lang-grid,
  .media-editor-grid,
  .courses-editor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 860px) {
  .admin-app { padding: 16px; }
  .admin-topbar,
  .admin-section-head,
  .admin-panel-grid {
    grid-template-columns: 1fr;
    display: grid;
  }
  .admin-topbar { padding: 20px; }
  .admin-summary-grid,
  .admin-lang-grid,
  .media-editor-grid,
  .courses-editor-grid,
  .admin-panel-grid {
    grid-template-columns: 1fr;
  }
}