:root {
  --bg: #071116;
  --bg-2: #0d1b21;
  --card: rgba(7, 18, 23, 0.92);
  --card-soft: rgba(13, 29, 36, 0.9);
  --line: rgba(124, 233, 255, 0.16);
  --text: #eef9ff;
  --muted: #9db3bf;
  --accent: #41d9ff;
  --accent-2: #7ce9ff;
  --danger: #ff4d67;
  --success: #1fe28f;
  --shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Poppins", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(61, 189, 230, 0.22), transparent 28rem),
    radial-gradient(circle at bottom right, rgba(65, 217, 255, 0.1), transparent 30rem),
    linear-gradient(180deg, #071116 0%, #020608 100%);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.panel-shell {
  width: min(1440px, calc(100% - 36px));
  margin: 20px auto 30px;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.panel-topbar {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(4, 10, 14, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 20px;
}

.panel-brand {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.panel-brand img {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-brand-copy h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
}

.panel-brand-copy p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.panel-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: flex-start;
}

.panel-link {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
}

.panel-link.active,
.panel-link:hover {
  border-color: rgba(124, 233, 255, 0.35);
  background: linear-gradient(135deg, rgba(65, 217, 255, 0.16), rgba(65, 217, 255, 0.05));
}

.panel-main {
  margin-top: 0;
}

.panel-card {
  margin-bottom: 20px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.panel-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-card h2,
.panel-card h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.panel-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

.panel-intro {
  margin-bottom: 18px;
}

.panel-intro h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
}

.panel-intro p {
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 760px;
}

.panel-grid {
  display: grid;
  gap: 18px;
}

.panel-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
}

.panel-input,
.panel-textarea,
.panel-file {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(124, 233, 255, 0.14);
  border-radius: 16px;
  background: var(--card-soft);
  color: var(--text);
  outline: none;
}

.panel-textarea {
  min-height: 130px;
  resize: vertical;
}

.panel-input:focus,
.panel-textarea:focus,
.panel-file:focus {
  border-color: rgba(124, 233, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(65, 217, 255, 0.08);
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 18px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #041016;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 20px 35px rgba(13, 124, 145, 0.25);
}

.panel-btn.secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: none;
}

.panel-btn.danger {
  background: linear-gradient(135deg, #ff6a72, var(--danger));
  color: #fff;
}

.panel-table-wrap {
  overflow: auto;
  border-radius: 20px;
  border: 1px solid rgba(124, 233, 255, 0.12);
}

.panel-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
}

.panel-table th,
.panel-table td {
  padding: 16px;
  border-bottom: 1px solid rgba(124, 233, 255, 0.08);
  text-align: left;
  vertical-align: middle;
}

.panel-table th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.panel-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.panel-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(65, 217, 255, 0.12);
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 600;
}

.panel-preview {
  width: 100%;
  min-height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(124, 233, 255, 0.22);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.panel-preview img {
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
}

.panel-help {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.panel-spacer-top {
  margin-top: 18px;
}

.panel-actions-between {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.panel-copy {
  color: var(--muted);
  font-size: 14px;
}

.panel-title-sm {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
}

.panel-stat {
  min-height: 120px;
}

.panel-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-2);
}

.panel-empty {
  padding: 18px;
  border: 1px dashed rgba(124, 233, 255, 0.16);
  border-radius: 18px;
  color: var(--muted);
  text-align: center;
}

.panel-alert {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(124, 233, 255, 0.14);
  background: rgba(65, 217, 255, 0.08);
  color: var(--text);
}

.panel-login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.panel-login-card {
  width: min(440px, 100%);
  padding: 34px 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(5, 12, 16, 0.9);
  box-shadow: var(--shadow);
}

.panel-login-card img {
  width: 78px;
  height: 78px;
  border-radius: 20px;
  object-fit: cover;
  margin-bottom: 18px;
}

.panel-login-card h1 {
  margin: 0 0 8px;
  font-size: 30px;
  font-weight: 600;
}

.panel-login-card p {
  margin: 0 0 24px;
  color: var(--muted);
}

.panel-login-stage {
  width: min(1120px, calc(100% - 32px));
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 440px);
  gap: 28px;
  align-items: center;
}

.panel-login-hero {
  padding: 24px 18px;
}

.panel-login-kicker {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--accent-2);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-login-hero h2 {
  margin: 18px 0 10px;
  font-size: clamp(34px, 5vw, 66px);
  line-height: 1.03;
}

.panel-login-hero p {
  max-width: 620px;
  color: var(--muted);
  font-size: 16px;
}

.panel-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.panel-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 13px;
}

.modal-content {
  border-radius: 22px;
  border: 1px solid var(--line);
  background: #081216;
}

.modal-header,
.modal-footer {
  border-color: rgba(124, 233, 255, 0.08);
}

.table td,
.table th {
  color: var(--text);
}

.table thead th {
  border-bottom-color: rgba(124, 233, 255, 0.1);
}

@media (max-width: 900px) {
  .panel-shell {
    grid-template-columns: 1fr;
  }

  .panel-grid.two,
  .panel-grid.three {
    grid-template-columns: 1fr;
  }

  .panel-login-stage {
    grid-template-columns: 1fr;
  }

  .panel-login-hero {
    order: 2;
    padding: 4px 0 0;
  }

  .panel-topbar {
    position: static;
  }

  .panel-nav {
    justify-content: flex-start;
  }
}