/* ═══════════════════════════════════════════════════════════════════════════
   BriefArq — CTN Arquitetura  |  admin.css
   Admin panel styles
   ═══════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --off-white:      #FAF9F7;
  --off-white-2:    #F4F1ED;
  --sand:           #E8E0D5;
  --sand-dark:      #D4C8B8;
  --terracotta:     #C4956A;
  --terracotta-dk:  #A97A52;
  --terracotta-lt:  #D4AA88;
  --graphite:       #2C2C2C;
  --light-graphite: #5C5C5C;
  --muted:          #9A9189;
  --white:          #FFFFFF;
  --danger:         #C0392B;
  --danger-lt:      #F9ECEA;
  --success:        #27AE60;
  --success-lt:     #EAF5EE;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --sidebar-w:    240px;
  --header-h:     64px;
  --radius-sm:    4px;
  --radius-md:    8px;
  --transition:   0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--off-white-2);
  color: var(--graphite);
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.25;
}

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

/* ══════════════════════════════════════════════════════════════════════════
   LOGIN PAGE
   ══════════════════════════════════════════════════════════════════════════ */

.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.login-art {
  background: var(--graphite);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 60px;
}

.login-art-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 60px, var(--white) 60px, var(--white) 61px),
    repeating-linear-gradient(90deg, transparent, transparent 60px, var(--white) 60px, var(--white) 61px);
}

.login-art-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
}

.login-art-circle:nth-child(2) {
  width: 400px; height: 400px;
  top: -80px; left: -120px;
}

.login-art-circle:nth-child(3) {
  width: 600px; height: 600px;
  top: -180px; left: -220px;
}

.login-art-circle:nth-child(4) {
  width: 280px; height: 280px;
  bottom: 80px; right: -60px;
}

.login-art-tagline {
  position: relative;
  z-index: 1;
}

.login-art-quote {
  font-family: var(--font-display);
  font-size: 22px;
  font-style: italic;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  margin-bottom: 20px;
  max-width: 320px;
}

.login-art-author {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terracotta-lt);
}

.login-form-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 72px;
  background: var(--off-white);
}

.login-logo {
  margin-bottom: 52px;
  text-align: center;
}

.login-logo-mark {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  color: var(--graphite);
  letter-spacing: 0.1em;
  line-height: 1;
  margin-bottom: 6px;
}

.login-logo-sub {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.login-heading {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  color: var(--graphite);
  margin-bottom: 8px;
  text-align: center;
}

.login-subheading {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 40px;
  text-align: center;
}

.login-form {
  width: 100%;
  max-width: 360px;
}

.login-field {
  margin-bottom: 28px;
  position: relative;
}

.login-field label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  transition: color var(--transition);
}

.login-field:focus-within label {
  color: var(--terracotta);
}

.login-field input {
  width: 100%;
  padding: 12px 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--sand-dark);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--graphite);
  outline: none;
  transition: border-color var(--transition);
}

.login-field input:focus {
  border-color: var(--terracotta);
}

.login-submit {
  width: 100%;
  padding: 15px;
  background: var(--terracotta);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  margin-top: 8px;
  transition: background var(--transition), transform var(--transition);
}

.login-submit:hover {
  background: var(--terracotta-dk);
  transform: translateY(-1px);
}

.login-error {
  background: var(--danger-lt);
  border: 1px solid rgba(192, 57, 43, 0.18);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--danger);
  margin-bottom: 24px;
  text-align: center;
}

/* ══════════════════════════════════════════════════════════════════════════
   ADMIN LAYOUT
   ══════════════════════════════════════════════════════════════════════════ */

.admin-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: auto;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────────────────── */
.admin-sidebar {
  background: var(--graphite);
  color: var(--off-white);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 32px 28px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-logo-mark {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--off-white);
  letter-spacing: 0.08em;
  line-height: 1;
  margin-bottom: 4px;
}

.sidebar-logo-sub {
  font-size: 10px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 400;
  color: rgba(255,255,255,0.55);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}

.sidebar-nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
}

.sidebar-nav-item.active {
  background: rgba(196, 149, 106, 0.15);
  color: var(--terracotta-lt);
}

.sidebar-nav-item svg { flex-shrink: 0; opacity: 0.7; }
.sidebar-nav-item.active svg { opacity: 1; }

.sidebar-divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: 8px 0;
}

.sidebar-footer {
  padding: 20px 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ── Admin Main ────────────────────────────────────────────────────────── */
.admin-main {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--off-white-2);
}

/* ── Admin Header ──────────────────────────────────────────────────────── */
.admin-header {
  background: var(--off-white);
  border-bottom: 1px solid var(--sand);
  padding: 0 40px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 30;
}

.admin-header-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--graphite);
}

.admin-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--light-graphite);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--sand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--terracotta);
  font-weight: 600;
}

/* ── Admin Content ─────────────────────────────────────────────────────── */
.admin-content {
  flex: 1;
  padding: 40px;
}

/* ── Page Header ───────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--sand);
}

.page-header-text {}

.page-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  color: var(--graphite);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.page-subtitle {
  font-size: 14px;
  color: var(--muted);
}

/* ── Stats Grid ────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}

.stat-card {
  background: var(--off-white);
  border: 1px solid var(--sand);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
  color: var(--graphite);
  line-height: 1;
}

.stat-desc {
  font-size: 13px;
  color: var(--muted);
}

/* ── Table ─────────────────────────────────────────────────────────────── */
.table-card {
  background: var(--off-white);
  border: 1px solid var(--sand);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.table-card-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--sand);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.table-card-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--graphite);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  padding: 12px 20px;
  text-align: left;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--off-white-2);
  border-bottom: 1px solid var(--sand);
}

.admin-table td {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--graphite);
  border-bottom: 1px solid var(--sand);
  vertical-align: middle;
}

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

.admin-table tr:hover td { background: var(--off-white-2); }

.table-project-name {
  font-weight: 500;
  color: var(--graphite);
}

.table-client-name {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

/* ── Badges ────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
}

.badge-active {
  background: var(--success-lt);
  color: var(--success);
}

.badge-inactive {
  background: var(--sand);
  color: var(--muted);
}

.badge-count {
  background: var(--off-white-2);
  color: var(--light-graphite);
  border: 1px solid var(--sand);
}

/* ── Table actions ─────────────────────────────────────────────────────── */
.table-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  letter-spacing: 0.03em;
  white-space: nowrap;
  text-decoration: none;
}

.action-btn-ghost {
  background: transparent;
  color: var(--light-graphite);
  border: 1px solid var(--sand-dark);
}

.action-btn-ghost:hover {
  background: var(--off-white-2);
  color: var(--graphite);
  border-color: var(--graphite);
}

.action-btn-primary {
  background: var(--terracotta);
  color: var(--white);
  border: 1px solid transparent;
}

.action-btn-primary:hover {
  background: var(--terracotta-dk);
}

.action-btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(192,57,43,0.2);
}

.action-btn-danger:hover {
  background: var(--danger-lt);
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  letter-spacing: 0.04em;
  text-decoration: none;
}

.btn-primary-admin {
  background: var(--terracotta);
  color: var(--white);
}

.btn-primary-admin:hover {
  background: var(--terracotta-dk);
  transform: translateY(-1px);
}

.btn-secondary-admin {
  background: var(--off-white-2);
  color: var(--graphite);
  border: 1px solid var(--sand-dark);
}

.btn-secondary-admin:hover {
  background: var(--sand);
}

/* ── Form Card ─────────────────────────────────────────────────────────── */
.form-card {
  background: var(--off-white);
  border: 1px solid var(--sand);
  border-radius: var(--radius-md);
  max-width: 560px;
  overflow: hidden;
}

.form-card-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--sand);
  background: var(--off-white-2);
}

.form-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--graphite);
}

.form-card-body {
  padding: 32px;
}

.admin-field {
  margin-bottom: 28px;
  position: relative;
}

.admin-field:last-child { margin-bottom: 0; }

.admin-field label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  transition: color var(--transition);
}

.admin-field:focus-within label {
  color: var(--terracotta);
}

.admin-input,
.admin-textarea,
.admin-select {
  width: 100%;
  padding: 11px 14px;
  background: var(--off-white);
  border: 1px solid var(--sand-dark);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--graphite);
  outline: none;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.admin-input:focus,
.admin-textarea:focus,
.admin-select:focus {
  border-color: var(--terracotta);
}

.admin-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.admin-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239A9189' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ── Checkbox toggle ───────────────────────────────────────────────────── */
.toggle-field {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.toggle-field input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 40px;
  height: 22px;
  border-radius: 100px;
  background: var(--sand-dark);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background var(--transition);
}

.toggle-field input[type="checkbox"]:checked {
  background: var(--terracotta);
}

.toggle-field input[type="checkbox"]::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  transition: transform var(--transition);
}

.toggle-field input[type="checkbox"]:checked::after {
  transform: translateX(18px);
}

.toggle-label {
  font-size: 14px;
  color: var(--graphite);
}

/* ── Form footer ───────────────────────────────────────────────────────── */
.form-card-footer {
  padding: 20px 32px;
  border-top: 1px solid var(--sand);
  background: var(--off-white-2);
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
}

/* ── Response cards ────────────────────────────────────────────────────── */
.response-card {
  background: var(--off-white);
  border: 1px solid var(--sand);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  overflow: hidden;
}

.response-card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--sand);
  background: var(--off-white-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.response-card-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--graphite);
}

.response-card-date {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.response-card-body {
  padding: 24px;
}

.response-section {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--sand);
}

.response-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.response-section-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 14px;
}

.response-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.response-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.response-field-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.response-field-value {
  font-size: 14px;
  color: var(--graphite);
  line-height: 1.5;
}

/* ── Copy link button ──────────────────────────────────────────────────── */
.copy-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--off-white-2);
  border: 1px solid var(--sand-dark);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--light-graphite);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

.copy-link-btn:hover {
  background: var(--sand);
  color: var(--graphite);
}

.copy-link-btn.copied {
  background: var(--success-lt);
  color: var(--success);
  border-color: rgba(39, 174, 96, 0.2);
}

/* ── Empty state ───────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 40px;
}

.empty-state-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: var(--sand);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--graphite);
  margin-bottom: 8px;
}

.empty-state-desc {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
}

/* ── Breadcrumb ────────────────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: var(--muted);
  transition: color var(--transition);
}

.breadcrumb a:hover { color: var(--graphite); }

.breadcrumb-sep {
  color: var(--sand-dark);
}

.breadcrumb-current {
  color: var(--graphite);
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .login-page {
    grid-template-columns: 1fr;
  }
  .login-art { display: none; }
  .login-form-side { padding: 48px 32px; }

  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    display: none;
  }

  .admin-content {
    padding: 24px;
  }

  .admin-header {
    padding: 0 24px;
  }
}