@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");

:root {
  --sidebar-bg: #111827;
  --sidebar-text: #9ca3af;
  --sidebar-active: #ffffff;
  --sidebar-hover: #1f2937;
  --bg: #f9fafb;
  --card: #ffffff;
  --text-main: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --primary: #004d4d;
  --primary-hover: #003d3d;
  --danger: #ef4444;
  --success: #10b981;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  min-height: 100vh;
}

/* AUTH BOX */
.auth-box {
  max-width: 400px;
  margin: 15vh auto;
  background: var(--card);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.auth-box h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  font-weight: 800;
}

.auth-box p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.auth-box label {
  text-align: left;
  display: block;
  margin-bottom: 15px;
  font-weight: 600;
  font-size: 0.85rem;
}

/* LAYOUT */
.panel-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar-bg);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  padding: 0 24px 32px;
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 12px 24px;
  color: var(--sidebar-text);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-active);
}

.nav-item.active {
  background: var(--primary);
  color: #fff;
}

.main-content {
  padding: 32px;
  overflow-y: auto;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.panel-head h1 {
  font-size: 1.5rem;
  font-weight: 800;
}

/* CARDS & COMPONENTS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--card);
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
}

.card {
  background: var(--card);
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-body {
  padding: 24px;
}

/* TABLES */
table {
  width: 100%;
  border-collapse: collapse;
}

th {
  background: #f9fafb;
  padding: 12px 24px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

tr:last-child td {
  border-bottom: none;
}

/* BUTTONS & FORMS */
input,
textarea,
select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.875rem;
  margin-top: 6px;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 77, 77, 0.1);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

button {
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}

button.primary {
  background: var(--primary);
  color: #fff;
}

button.primary:hover {
  background: var(--primary-hover);
}

button.danger {
  background: #fff;
  border-color: var(--danger);
  color: var(--danger);
}

button.danger:hover {
  background: var(--danger);
  color: #fff;
}

button.ghost {
  background: #fff;
  border-color: var(--border);
  color: var(--text-main);
}

.status {
  padding: 12px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: 0.875rem;
  display: none;
}

.status.active {
  display: block;
}

.status.ok {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #10b981;
}

.status.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #ef4444;
}

.badge {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-published {
  background: #ecfdf5;
  color: #059669;
}

.badge-draft {
  background: #f3f4f6;
  color: #4b5563;
}

.hidden {
  display: none !important;
}

@media (max-width: 1024px) {
  .panel-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .sidebar {
    flex-direction: row;
    padding: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .sidebar-logo {
    padding: 12px 16px;
    font-size: 1rem;
    white-space: nowrap;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
  }

  .sidebar-nav {
    flex-direction: row;
    gap: 0;
    flex: 1;
  }

  .nav-item {
    padding: 14px 16px;
    white-space: nowrap;
    font-size: 0.82rem;
    flex-shrink: 0;
  }

  .sidebar>div:last-child {
    padding: 8px 12px !important;
    margin-top: 0 !important;
    display: flex;
    align-items: center;
  }

  .sidebar>div:last-child button {
    padding: 8px 14px;
    font-size: 0.75rem;
    white-space: nowrap;
  }

  .main-content {
    padding: 20px;
  }

  .panel-head {
    margin-bottom: 20px;
  }

  .panel-head h1 {
    font-size: 1.2rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-value {
    font-size: 1.25rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .card-header {
    padding: 14px 16px;
    flex-wrap: wrap;
    gap: 10px;
  }

  .card-header h2 {
    font-size: 1rem;
  }

  .card-body {
    padding: 16px;
  }

  .actions {
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
  }

  button {
    padding: 10px 16px;
    font-size: 0.82rem;
  }

  th {
    padding: 10px 14px;
    font-size: 0.7rem;
  }

  td {
    padding: 12px 14px;
    font-size: 0.82rem;
  }

  /* Login box mobile */
  .auth-box {
    margin: 8vh 16px;
    padding: 28px 20px;
  }

  .auth-box h1 {
    font-size: 1.3rem;
  }
}

@media (max-width: 600px) {
  .sidebar {
    scrollbar-width: none;
  }

  .sidebar::-webkit-scrollbar {
    display: none;
  }

  .sidebar-logo {
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  .nav-item {
    padding: 12px 12px;
    font-size: 0.75rem;
  }

  .main-content {
    padding: 14px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-card {
    padding: 12px;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .stat-value {
    font-size: 1.1rem;
  }

  .card {
    border-radius: 10px;
    margin-bottom: 14px;
  }

  .card-header {
    padding: 12px 14px;
  }

  .card-body {
    padding: 14px;
  }

  /* Table horizontal scroll on small screens */
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }

  thead,
  tbody,
  tr {
    display: table;
    width: 100%;
    table-layout: fixed;
  }

  /* Article list item compact */
  .article-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
  }

  .article-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .article-actions button {
    flex: 1;
    text-align: center;
  }

  /* Image upload area stacks */
  .img-upload-area {
    flex-direction: column;
    align-items: stretch;
  }

  .img-preview {
    width: 100%;
    height: 120px;
  }

  textarea {
    height: 180px !important;
  }

  .actions {
    flex-direction: column;
  }

  .actions button {
    width: 100%;
  }
}