/* ================== Caltech Admin · Editorial Shell ==================
   Painel administrativo do BlogTech — layout unificado com sidebar +
   topbar, tipografia editorial (Fraunces + Inter + JetBrains Mono).
===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;1,9..144,300;1,9..144,400;1,9..144,500&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@300;400;500&display=swap');

:root {
  --ink: #14231a;
  --ink-soft: #3a4a3c;
  --muted: #6b7a6c;
  --dim: #a1ad9f;
  --paper: #ffffff;
  --paper-warm: #f8faf6;
  --paper-warm-2: #eef6ea;
  --green-deep: #0f2a12;
  --green: #1f5f23;
  --green-mid: #2e7d32;
  --green-soft: #8bc34a;
  --green-tint: rgba(139, 195, 74, 0.08);
  --gold: #c89b3c;
  --gold-dim: #a07e28;
  --line: rgba(20, 35, 26, 0.08);
  --line-strong: rgba(20, 35, 26, 0.14);
  --shadow-soft: 0 10px 30px rgba(10, 40, 10, 0.06);
  --shadow-lift: 0 20px 50px rgba(10, 40, 10, 0.1);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
  font-size: 15px;
  color: var(--ink);
  background: var(--paper-warm);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  line-height: 1.55;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ===== Admin shell (sidebar + main) ===== */
.admin-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.admin-sidebar {
  background: var(--green-deep);
  color: #f3fff3;
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.admin-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-brand-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--green-soft);
}

.admin-brand-name {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  font-size: 1.65rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.admin-brand-name em {
  font-style: italic;
  color: var(--green-soft);
}

.admin-nav-section { display: flex; flex-direction: column; gap: 12px; }

.admin-nav-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.56rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(243, 255, 243, 0.45);
  padding-left: 4px;
}

.admin-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(243, 255, 243, 0.72);
  transition: background-color 0.2s ease, color 0.2s ease;
  border-left: 2px solid transparent;
}

.admin-nav a svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.admin-nav a:hover {
  color: #ffffff;
  background: rgba(139, 195, 74, 0.08);
}

.admin-nav a.active {
  color: #ffffff;
  background: rgba(139, 195, 74, 0.12);
  border-left-color: var(--green-soft);
  font-weight: 600;
}

.admin-sidebar-footer {
  margin-top: auto;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(243, 255, 243, 0.5);
}

.admin-logout {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-soft) !important;
  background: transparent;
  border: 1px solid rgba(139, 195, 74, 0.3);
  padding: 10px 14px !important;
  border-radius: 999px;
  transition: all 0.25s var(--ease);
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  align-self: flex-start;
}

.admin-logout:hover {
  background: var(--green-soft);
  color: var(--green-deep) !important;
  border-color: var(--green-soft);
}

/* ===== Main ===== */
.admin-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* Topbar */
.admin-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 48px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  gap: 32px;
  flex-wrap: wrap;
}

.admin-topbar-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.admin-topbar-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--green);
}

.admin-topbar-h1 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  font-size: clamp(1.5rem, 1.5vw + 0.9rem, 2.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}

.admin-topbar-h1 em { font-style: italic; color: var(--green); }

.admin-topbar-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* Content area */
.admin-content {
  padding: 48px;
  flex: 1;
}

.admin-content-section { margin-bottom: 40px; }

/* ===== Cards / panels ===== */
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.panel-title {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  font-size: 1.4rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}

.panel-title em { font-style: italic; color: var(--green); }

.panel-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  color: var(--muted);
  margin: 4px 0 0;
}

/* Kicker label */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 10px;
}

.kicker::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--green);
}

/* ===== Form fields ===== */
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
}

.field-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

.field-label .req { color: var(--gold-dim); margin-left: 4px; }

.field-hint {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  color: var(--dim);
  line-height: 1.5;
}

.field-counter {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.field-counter strong {
  color: var(--green);
  font-weight: 500;
}

.field-counter.over strong { color: #c23939; }

.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field input[type="url"],
.field input[type="password"],
.field input[type="date"],
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.98rem;
  color: var(--ink);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--dim);
}

/* File input — dropzone */
.dropzone {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--paper-warm);
  border: 1.5px dashed var(--line-strong);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.dropzone:hover,
.dropzone.is-dragging {
  border-color: var(--green);
  background: rgba(139, 195, 74, 0.06);
}

.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.dropzone-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(139, 195, 74, 0.18);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dropzone-icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dropzone-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }

.dropzone-title {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--ink);
}

.dropzone-hint {
  font-size: 0.78rem;
  color: var(--dim);
}

.dropzone-preview {
  margin-left: auto;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--paper-warm-2);
  display: none;
}

.dropzone.has-file .dropzone-preview { display: block; }

.dropzone.has-file .dropzone-title::after {
  content: ' · ✓';
  color: var(--green);
  font-weight: 600;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border: none;
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--green);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--green-deep);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(31, 95, 35, 0.25);
}

.btn-gold {
  background: var(--gold);
  color: #1c1300;
}

.btn-gold:hover:not(:disabled) {
  background: var(--gold-dim);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(200, 155, 60, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--green-deep);
  border: 1px solid var(--green);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--green);
  color: #ffffff;
  border-color: var(--green);
}

.btn-dark {
  background: var(--ink);
  color: #ffffff;
}

.btn-dark:hover:not(:disabled) {
  background: var(--green-deep);
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
}

.btn .spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

.btn.is-loading .spinner { display: inline-block; }
.btn.is-loading .btn-label { opacity: 0.7; }

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

/* ===== Alerts / messages ===== */
.alert {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.alert-success {
  background: rgba(139, 195, 74, 0.14);
  color: var(--green-deep);
  border: 1px solid rgba(139, 195, 74, 0.32);
}

.alert-error {
  background: rgba(194, 57, 57, 0.08);
  color: #8a2020;
  border: 1px solid rgba(194, 57, 57, 0.24);
}

.alert-info {
  background: rgba(200, 155, 60, 0.08);
  color: var(--gold-dim);
  border: 1px solid rgba(200, 155, 60, 0.24);
}

/* ===== Tables ===== */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.data-table thead th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  padding: 16px 20px;
  background: var(--paper-warm);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  vertical-align: middle;
}

.data-table tbody tr:last-child td { border-bottom: none; }

.data-table tbody tr {
  transition: background-color 0.2s ease;
}

.data-table tbody tr:hover {
  background: var(--paper-warm);
}

.data-table .mono-cell {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--muted);
}

.data-table .cell-name {
  font-weight: 500;
  color: var(--ink);
}

.data-table-empty {
  padding: 80px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 0.98rem;
}

/* ===== Stats grid ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 28px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 40px;
  height: 3px;
  background: var(--green);
}

.stat-card-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.stat-card-value {
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-weight: 300;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 6px;
}

.stat-card-value em {
  font-style: normal;
  font-size: 0.4em;
  color: var(--green);
  vertical-align: super;
}

.stat-card-trend {
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ===== Search ===== */
.search-field {
  position: relative;
  flex: 1;
  max-width: 420px;
}

.search-field input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.search-field input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.search-field svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  stroke: var(--muted);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

/* ===== Quill overrides ===== */
.quill-wrap {
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  overflow: hidden;
  background: var(--paper);
}

.ql-toolbar.ql-snow {
  border: none !important;
  border-bottom: 1px solid var(--line) !important;
  background: var(--paper-warm) !important;
  padding: 12px 14px !important;
}

.ql-container.ql-snow {
  border: none !important;
  font-family: 'Newsreader', 'Fraunces', Georgia, serif !important;
  font-size: 1.05rem !important;
}

.ql-editor {
  min-height: 420px !important;
  padding: 28px 32px !important;
  line-height: 1.75 !important;
  color: var(--ink) !important;
}

.ql-editor.ql-blank::before {
  font-style: italic;
  color: var(--dim) !important;
}

.ql-editor h1, .ql-editor h2, .ql-editor h3 {
  font-family: 'Fraunces', Georgia, serif !important;
  font-weight: 400 !important;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.ql-editor blockquote {
  border-left: 3px solid var(--green) !important;
  padding-left: 18px !important;
  color: var(--muted) !important;
  font-style: italic;
  margin: 1em 0 !important;
}

.ql-editor img {
  border-radius: 8px;
  margin: 1em 0;
  box-shadow: var(--shadow-soft);
}

.img-uploading {
  pointer-events: none;
  opacity: 0.6;
  position: relative;
}

.img-uploading::after {
  content: 'Enviando imagem...';
  position: absolute;
  top: 12px; right: 12px;
  padding: 6px 14px;
  background: var(--green);
  color: #ffffff;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 999px;
  z-index: 10;
}

/* ===== Editor tools sidebar (split layout) ===== */
.editor-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.editor-tools {
  position: sticky;
  top: 108px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tool-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}

.tool-card-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.tool-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.tool-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tool-metric-value {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  font-style: italic;
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.tool-metric-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 4px;
}

.seo-preview {
  padding: 16px 18px;
  background: var(--paper-warm);
  border-radius: 10px;
  border: 1px solid var(--line);
}

.seo-preview-url {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 6px;
  word-break: break-all;
}

.seo-preview-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.2;
  color: var(--green);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.seo-preview-desc {
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .editor-layout { grid-template-columns: 1fr; }
  .editor-tools { position: static; }
}

@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar {
    position: static;
    height: auto;
    padding: 22px 24px;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
  }
  .admin-brand { padding-bottom: 0; border-bottom: none; }
  .admin-nav { flex-direction: row; flex-wrap: wrap; }
  .admin-sidebar-footer { padding-top: 0; border-top: none; width: 100%; }
  .admin-topbar { padding: 22px 24px; }
  .admin-content { padding: 32px 24px; }
}

@media (max-width: 600px) {
  .admin-topbar-actions { width: 100%; }
  .btn { width: 100%; }
  .tool-metrics { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}