/* ============================================================
   MEISHI — Premium Design System
   Eight-inspired, Heritage tokens
   ============================================================ */

/* --- Tokens --- */
:root {
  --c-ink:        #1A1C1E;
  --c-slate:      #6C7278;
  --c-clay:       #B8422E;
  --c-clay-dark:  #9B3526;
  --c-clay-light: #F9EDE9;
  --c-stone:      #F7F5F2;
  --c-white:      #FFFFFF;
  --c-smoke:      #F0EDE8;
  --c-border:     #E4E0DC;
  --c-border-mid: #D0CBC4;
  --c-danger:     #C62828;
  --c-success:    #2E7D32;

  --r-xs:  4px;
  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-max: 9999px;

  --s-1:  4px;
  --s-2:  8px;
  --s-3:  12px;
  --s-4:  16px;
  --s-5:  24px;
  --s-6:  32px;
  --s-7:  48px;
  --s-8:  64px;

  --sh-xs: 0 1px 2px rgba(0,0,0,.06);
  --sh-sm: 0 1px 4px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --sh-md: 0 4px 16px rgba(0,0,0,.10), 0 1px 4px rgba(0,0,0,.06);
  --sh-lg: 0 12px 40px rgba(0,0,0,.14), 0 2px 8px rgba(0,0,0,.06);
  --sh-xl: 0 24px 80px rgba(0,0,0,.18);

  --sidebar-w: 248px;
  --topbar-h:  58px;

  --font: 'Inter', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--c-stone);
  color: var(--c-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--c-clay); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: var(--font); }

/* ============================================================
   LAYOUT
   ============================================================ */

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  background: var(--c-white);
  border-right: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform .28s cubic-bezier(.4,0,.2,1);
}

/* Logo */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-5) var(--s-5) var(--s-4);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-mark {
  width: 34px; height: 34px;
  background: var(--c-clay);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(184,66,46,.35);
}
.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--c-ink);
}
.logo-badge {
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--c-clay-light);
  color: var(--c-clay);
  padding: 2px 6px;
  border-radius: var(--r-max);
  margin-left: 2px;
}

.sidebar-close {
  display: none;
  width: 30px; height: 30px;
  align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  color: var(--c-slate);
  font-size: .9rem;
  transition: background .15s;
}
.sidebar-close:hover { background: var(--c-smoke); }

/* Nav */
.sidebar-body { flex: 1; overflow-y: auto; overflow-x: hidden; padding: var(--s-2) var(--s-3); }

.nav-group-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-slate);
  padding: var(--s-4) var(--s-3) var(--s-1);
  opacity: .7;
}

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

.nav-link, .nav-link-btn {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--s-3);
  padding: 9px var(--s-3);
  border-radius: var(--r-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--c-slate);
  transition: background .14s, color .14s;
  white-space: nowrap;
  width: 100%;
  text-align: left;
  line-height: 1.4;
  cursor: pointer;
}
.nav-link:hover, .nav-link-btn:hover {
  background: var(--c-smoke);
  color: var(--c-ink);
  text-decoration: none;
}
.nav-item.active .nav-link {
  background: var(--c-clay-light);
  color: var(--c-clay);
  font-weight: 600;
}
.nav-icon {
  width: 18px; height: 18px;
  flex-shrink: 0;
  opacity: .75;
}
.nav-item.active .nav-icon { opacity: 1; }

/* Sidebar footer */
.sidebar-footer {
  padding: var(--s-4) var(--s-5);
  border-top: 1px solid var(--c-border);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}
.user-avatar {
  width: 32px; height: 32px;
  border-radius: var(--r-max);
  background: linear-gradient(135deg, var(--c-clay) 0%, #e07060 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: .8rem; font-weight: 600; color: var(--c-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: .7rem; color: var(--c-slate); }
.sidebar-stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-3) var(--s-5) var(--s-2);
  font-size: .75rem;
}
.stat-label { color: var(--c-slate); }
.stat-value { font-weight: 700; color: var(--c-ink); font-feature-settings: "tnum"; }

/* Main wrapper */
.layout-wrapper {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Topbar */
.topbar {
  display: none;
  align-items: center;
  height: var(--topbar-h);
  padding: 0 var(--s-5);
  background: rgba(247,245,242,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: var(--s-4);
}
.topbar-hamburger {
  width: 34px; height: 34px;
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  padding: 6px;
  border-radius: var(--r-sm);
  transition: background .15s;
  flex-shrink: 0;
}
.topbar-hamburger:hover { background: var(--c-smoke); }
.topbar-hamburger span { display: block; height: 1.5px; background: var(--c-ink); border-radius: 2px; }
.topbar-title { flex: 1; font-size: 1rem; font-weight: 700; letter-spacing: -.01em; }
.topbar-right { display: flex; gap: var(--s-2); }

/* Main content */
.main-content {
  flex: 1;
  padding: var(--s-7) var(--s-7);
  max-width: 1160px;
  width: 100%;
  margin: 0 auto;
}

/* ============================================================
   ALERTS
   ============================================================ */
.messages-wrap { padding: var(--s-4) var(--s-7) 0; max-width: 1160px; margin: 0 auto; }
.alert {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  font-size: .875rem;
  font-weight: 500;
  margin-bottom: var(--s-3);
  border: 1px solid transparent;
}
.alert-success { background: #f0faf0; color: var(--c-success); border-color: #b9e5b9; }
.alert-error, .alert-danger { background: #fff0f0; color: var(--c-danger); border-color: #f5baba; }
.alert-info { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 9px 18px;
  font-size: .875rem;
  font-weight: 600;
  border-radius: var(--r-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, box-shadow .15s, transform .1s;
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -.01em;
  line-height: 1.4;
}
.btn:active { transform: scale(.98); }

.btn-primary {
  background: var(--c-clay);
  color: #fff;
  border-color: var(--c-clay);
  box-shadow: 0 1px 3px rgba(184,66,46,.3);
}
.btn-primary:hover { background: var(--c-clay-dark); border-color: var(--c-clay-dark); color: #fff; text-decoration: none; box-shadow: 0 3px 10px rgba(184,66,46,.35); }

.btn-secondary {
  background: var(--c-white);
  color: var(--c-ink);
  border-color: var(--c-border-mid);
  box-shadow: var(--sh-xs);
}
.btn-secondary:hover { background: var(--c-smoke); border-color: var(--c-border-mid); color: var(--c-ink); text-decoration: none; }

.btn-ghost {
  background: transparent;
  color: var(--c-slate);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--c-smoke); color: var(--c-ink); text-decoration: none; }

.btn-danger { background: var(--c-danger); color: #fff; border-color: var(--c-danger); }
.btn-danger:hover { background: #b71c1c; border-color: #b71c1c; color: #fff; text-decoration: none; }

.btn-danger-ghost { background: transparent; color: var(--c-danger); border-color: transparent; font-size: .8rem; padding: 6px 12px; }
.btn-danger-ghost:hover { background: #fff0f0; text-decoration: none; }

.btn-sm { padding: 6px 14px; font-size: .8rem; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-icon { padding: 6px; }
.btn-icon-sm { padding: 4px 8px; }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--s-6);
  gap: var(--s-4);
}
.page-head-left { display: flex; flex-direction: column; gap: 4px; }
.page-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--c-ink);
  line-height: 1.2;
}
.page-meta { font-size: .875rem; color: var(--c-slate); }
.page-head-right { display: flex; gap: var(--s-2); align-items: center; flex-shrink: 0; }

/* ============================================================
   SEARCH BAR
   ============================================================ */
.search-wrap {
  display: flex;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
  flex-wrap: wrap;
}
.search-field {
  flex: 1;
  min-width: 220px;
  display: flex;
  align-items: center;
  gap: var(--s-2);
  background: var(--c-white);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 0 var(--s-4);
  box-shadow: var(--sh-xs);
  transition: border-color .15s, box-shadow .15s;
}
.search-field:focus-within {
  border-color: var(--c-clay);
  box-shadow: 0 0 0 3px rgba(184,66,46,.12);
}
.search-ico { color: var(--c-slate); flex-shrink: 0; width: 16px; height: 16px; }
.search-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 0;
  font-size: .9rem;
  color: var(--c-ink);
  outline: none;
}
.search-input::placeholder { color: var(--c-slate); opacity: .7; }
.search-select {
  background: var(--c-white);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 0 var(--s-4);
  font-size: .875rem;
  color: var(--c-ink);
  height: 42px;
  outline: none;
  cursor: pointer;
  box-shadow: var(--sh-xs);
  min-width: 140px;
}
.search-select:focus { border-color: var(--c-clay); box-shadow: 0 0 0 3px rgba(184,66,46,.12); }

/* ============================================================
   CARD GRID
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--s-4);
}

.card-item {
  background: var(--c-white);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .22s, transform .22s;
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--c-border);
}
.card-item:hover {
  box-shadow: var(--sh-md);
  transform: translateY(-3px);
  text-decoration: none;
}

/* Card image strip */
.card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--c-smoke) 0%, #e8e4df 100%);
  overflow: hidden;
}
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.card-item:hover .card-thumb img { transform: scale(1.03); }
.card-thumb-empty {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-border-mid);
}

/* Card body */
.card-body {
  padding: var(--s-4) var(--s-4) var(--s-3);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.card-name {
  font-size: .975rem;
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: -.01em;
  line-height: 1.3;
}
.card-company {
  font-size: .8rem;
  color: var(--c-slate);
  font-weight: 500;
}
.card-job {
  font-size: .75rem;
  color: var(--c-slate);
  opacity: .8;
}
.card-contact {
  font-size: .75rem;
  color: var(--c-slate);
  margin-top: 2px;
  opacity: .8;
}

/* Card footer */
.card-foot {
  padding: var(--s-2) var(--s-4);
  border-top: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  gap: var(--s-1);
  flex-wrap: wrap;
  min-height: 36px;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--r-max);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .01em;
  background: color-mix(in srgb, var(--tag-color, #6C7278) 12%, white);
  color: var(--tag-color, #6C7278);
  border: 1px solid color-mix(in srgb, var(--tag-color, #6C7278) 25%, white);
}

/* ============================================================
   DETAIL VIEW
   ============================================================ */
.detail-wrap {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: var(--s-7);
  align-items: start;
}

.detail-left {
  position: sticky;
  top: calc(var(--topbar-h) + var(--s-5));
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.detail-card-img {
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  width: 100%;
  border: 1px solid var(--c-border);
}

.detail-img-empty {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--c-smoke) 0%, #e4e0da 100%);
  border-radius: var(--r-lg);
  border: 1px solid var(--c-border);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: var(--s-2);
  color: var(--c-border-mid);
  font-size: .8rem;
}

.detail-quick-actions {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

/* Detail right */
.detail-right { display: flex; flex-direction: column; gap: var(--s-5); }

.detail-hero {
  padding-bottom: var(--s-5);
  border-bottom: 1px solid var(--c-border);
}
.detail-name {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.15;
  margin-bottom: 6px;
}
.detail-kana { font-size: .875rem; color: var(--c-slate); }
.detail-name-en { font-size: .875rem; color: var(--c-slate); margin-top: 2px; }

.detail-panel {
  background: var(--c-white);
  border-radius: var(--r-lg);
  border: 1px solid var(--c-border);
  overflow: hidden;
  box-shadow: var(--sh-xs);
}
.panel-head {
  padding: var(--s-3) var(--s-5);
  border-bottom: 1px solid var(--c-border);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-slate);
  background: var(--c-stone);
}
.panel-row {
  display: flex;
  padding: var(--s-3) var(--s-5);
  gap: var(--s-4);
  border-bottom: 1px solid var(--c-border);
  align-items: baseline;
  font-size: .875rem;
}
.panel-row:last-child { border-bottom: none; }
.panel-label { min-width: 64px; font-size: .75rem; color: var(--c-slate); flex-shrink: 0; }
.panel-value { color: var(--c-ink); }
.panel-link { color: var(--c-clay); }
.panel-link:hover { text-decoration: underline; }

.detail-tag-list { display: flex; flex-wrap: wrap; gap: var(--s-1); padding: var(--s-4) var(--s-5); }
.detail-memo { padding: var(--s-4) var(--s-5); font-size: .875rem; color: var(--c-ink); line-height: 1.8; white-space: pre-wrap; }
.detail-meta-bar {
  display: flex; gap: var(--s-4);
  font-size: .75rem; color: var(--c-slate);
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-border);
}
.detail-actions-bar { display: flex; gap: var(--s-2); flex-wrap: wrap; padding-top: var(--s-4); }

/* ============================================================
   FORM
   ============================================================ */
.form-page { max-width: 760px; margin: 0 auto; }
.form-page-wide { max-width: 960px; margin: 0 auto; }

.form-card {
  background: var(--c-white);
  border-radius: var(--r-xl);
  border: 1px solid var(--c-border);
  padding: var(--s-7);
  box-shadow: var(--sh-sm);
}

.form-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: var(--s-5);
}
.form-sub { color: var(--c-slate); font-size: .875rem; margin-bottom: var(--s-4); }

.section-divider {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin: var(--s-6) 0 var(--s-4);
}
.section-divider-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-slate);
  white-space: nowrap;
}
.section-divider-line { flex: 1; height: 1px; background: var(--c-border); }

.field-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--s-4); }

/* Image upload */
.img-upload-area {
  border: 2px dashed var(--c-border-mid);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  text-align: center;
  transition: border-color .15s, background .15s;
  cursor: pointer;
  margin-bottom: var(--s-4);
}
.img-upload-area:hover { border-color: var(--c-clay); background: var(--c-clay-light); }
.img-upload-label { font-size: .85rem; color: var(--c-slate); margin-top: var(--s-2); }
.img-preview-wrap { margin-top: var(--s-3); }
.img-preview { max-height: 180px; border-radius: var(--r-md); margin: 0 auto; box-shadow: var(--sh-sm); }

/* crispy field overrides */
.mb-3 { margin-bottom: var(--s-4); }
label { font-size: .82rem; font-weight: 600; color: var(--c-ink); display: block; margin-bottom: 5px; }
.form-control {
  width: 100%;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 9px 13px;
  font-size: .9rem;
  font-family: var(--font);
  color: var(--c-ink);
  background: var(--c-white);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
  line-height: 1.5;
}
.form-control:focus { border-color: var(--c-clay); box-shadow: 0 0 0 3px rgba(184,66,46,.12); }
.form-control::placeholder { color: var(--c-slate); opacity: .6; }

.tags-check { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: var(--s-2); }

.form-actions { display: flex; gap: var(--s-2); margin-top: var(--s-6); padding-top: var(--s-5); border-top: 1px solid var(--c-border); }

/* ============================================================
   OCR UPLOAD
   ============================================================ */
.ocr-wrap { max-width: 640px; margin: 0 auto; }

.upload-zone {
  border: 2px dashed var(--c-border-mid);
  border-radius: var(--r-xl);
  padding: var(--s-8) var(--s-7);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
  text-align: center;
  background: var(--c-white);
  box-shadow: var(--sh-sm);
  cursor: pointer;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--c-clay);
  background: var(--c-clay-light);
  box-shadow: 0 0 0 4px rgba(184,66,46,.08);
}
.upload-zone-icon {
  width: 56px; height: 56px;
  background: var(--c-stone);
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-slate);
  margin-bottom: var(--s-2);
}
.upload-zone-title { font-size: 1rem; font-weight: 700; color: var(--c-ink); }
.upload-zone-sub { font-size: .82rem; color: var(--c-slate); }
.upload-zone-hint { font-size: .75rem; color: var(--c-slate); opacity: .7; }

.upload-preview { text-align: center; margin-top: var(--s-5); }
.upload-preview img { max-height: 300px; border-radius: var(--r-lg); margin: 0 auto; box-shadow: var(--sh-md); }

.ocr-spinner {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--s-4); padding: var(--s-7);
  color: var(--c-slate); font-size: .875rem;
}
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--c-border);
  border-top-color: var(--c-clay);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.ocr-or { text-align: center; margin-top: var(--s-5); color: var(--c-slate); font-size: .85rem; }
.ocr-or a { color: var(--c-clay); font-weight: 600; }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: var(--s-8) var(--s-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-4);
  margin-top: var(--s-5);
}
.empty-illus {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--c-smoke) 0%, #e4e0da 100%);
  border-radius: var(--r-xl);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem;
  box-shadow: var(--sh-sm);
}
.empty-title { font-size: 1.15rem; font-weight: 700; color: var(--c-ink); }
.empty-sub { font-size: .875rem; color: var(--c-slate); max-width: 300px; line-height: 1.6; }

/* ============================================================
   TAG MANAGER
   ============================================================ */
.tag-mgr { display: grid; grid-template-columns: 1fr 320px; gap: var(--s-6); align-items: start; }

.tag-list-panel {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-xs);
}
.tag-list-head {
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--c-border);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--c-slate);
  background: var(--c-stone);
}
.tag-row {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-5);
  border-bottom: 1px solid var(--c-border);
}
.tag-row:last-child { border-bottom: none; }
.tag-row-count { font-size: .78rem; color: var(--c-slate); margin-left: auto; }

/* ============================================================
   AUTH
   ============================================================ */
.auth-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 480px;
  background: var(--c-stone);
}
.auth-left {
  background: linear-gradient(145deg, var(--c-clay) 0%, #8b2f20 100%);
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  padding: var(--s-8);
  gap: var(--s-5);
}
.auth-left-mark {
  width: 72px; height: 72px;
  background: rgba(255,255,255,.15);
  border-radius: var(--r-xl);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem;
  backdrop-filter: blur(8px);
}
.auth-left-title { font-size: 2.2rem; font-weight: 800; color: #fff; letter-spacing: -.04em; }
.auth-left-sub { font-size: .95rem; color: rgba(255,255,255,.7); text-align: center; max-width: 280px; line-height: 1.7; }
.auth-left-features { display: flex; flex-direction: column; gap: var(--s-3); width: 100%; max-width: 320px; }
.auth-feature {
  display: flex; align-items: center; gap: var(--s-3);
  background: rgba(255,255,255,.1);
  border-radius: var(--r-md);
  padding: var(--s-3) var(--s-4);
  font-size: .875rem; color: rgba(255,255,255,.9);
  backdrop-filter: blur(4px);
}
.auth-feature-icon { font-size: 1.2rem; }

.auth-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-8) var(--s-7);
  background: var(--c-white);
  box-shadow: -4px 0 40px rgba(0,0,0,.08);
}
.auth-box { width: 100%; max-width: 380px; }
.auth-box-logo { display: flex; align-items: center; gap: var(--s-3); margin-bottom: var(--s-7); }
.auth-box-title { font-size: 1.5rem; font-weight: 800; letter-spacing: -.03em; margin-bottom: var(--s-1); }
.auth-box-sub { font-size: .875rem; color: var(--c-slate); margin-bottom: var(--s-6); }
.auth-link { text-align: center; margin-top: var(--s-5); font-size: .875rem; color: var(--c-slate); }
.auth-link a { color: var(--c-clay); font-weight: 600; }

/* ============================================================
   PAGINATION
   ============================================================ */
.pager { display: flex; align-items: center; justify-content: center; gap: var(--s-3); margin-top: var(--s-6); }
.pager-btn { color: var(--c-clay); font-weight: 600; font-size: .875rem; padding: 6px 14px; border-radius: var(--r-sm); transition: background .14s; }
.pager-btn:hover { background: var(--c-clay-light); text-decoration: none; }
.pager-info { font-size: .82rem; color: var(--c-slate); }

/* ============================================================
   FAB
   ============================================================ */
.fab {
  position: fixed;
  bottom: var(--s-7);
  right: var(--s-7);
  width: 54px; height: 54px;
  border-radius: var(--r-max);
  background: var(--c-clay);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(184,66,46,.45), 0 1px 4px rgba(184,66,46,.3);
  transition: background .15s, box-shadow .15s, transform .18s cubic-bezier(.34,1.56,.64,1);
  z-index: 90;
}
.fab:hover {
  background: var(--c-clay-dark);
  box-shadow: 0 8px 28px rgba(184,66,46,.55);
  transform: scale(1.08);
  text-decoration: none;
  color: #fff;
}

/* ============================================================
   UTILS
   ============================================================ */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.text-danger { color: var(--c-danger); }
.text-muted { color: var(--c-slate); }
.desktop-only { display: flex; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .auth-layout { grid-template-columns: 1fr; }
  .auth-left { display: none; }
  .auth-right { box-shadow: none; background: var(--c-stone); padding: var(--s-5); }
  .auth-box { max-width: 440px; background: var(--c-white); border-radius: var(--r-xl); padding: var(--s-6); box-shadow: var(--sh-lg); }
}

@media (max-width: 860px) {
  .detail-wrap { grid-template-columns: 1fr; }
  .detail-left { position: static; }
  .tag-mgr { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--sh-xl); }
  .sidebar-close { display: flex; }

  .layout-wrapper { margin-left: 0; }
  .topbar { display: flex; }

  .main-content { padding: var(--s-5) var(--s-4); }
  .messages-wrap { padding: var(--s-3) var(--s-4) 0; }

  .page-head { flex-direction: column; gap: var(--s-3); }
  .page-head-right.desktop-only { display: none; }

  .field-grid-2 { grid-template-columns: 1fr; }
  .form-card { padding: var(--s-5); border-radius: var(--r-lg); }

  .fab { bottom: var(--s-5); right: var(--s-4); width: 50px; height: 50px; }
}

@media (max-width: 520px) {
  .card-grid { grid-template-columns: 1fr; }
  .search-wrap { flex-direction: column; }
  .search-select { width: 100%; }
}


/* --- Tokens --- */
:root {
  --color-primary:        #1A1C1E;
  --color-secondary:      #6C7278;
  --color-tertiary:       #B8422E;
  --color-tertiary-dark:  #9E2E1E;
  --color-neutral:        #F7F5F2;
  --color-surface:        #FFFFFF;
  --color-surface-var:    #F0EDE9;
  --color-border:         #DDD9D4;
  --color-danger:         #C62828;
  --color-success:        #2E7D32;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-full: 9999px;

  --sp-xs:  4px;
  --sp-sm:  8px;
  --sp-md:  16px;
  --sp-lg:  24px;
  --sp-xl:  40px;
  --sp-xxl: 64px;

  --shadow-card:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-modal: 0 20px 60px rgba(0,0,0,.15);

  --sidebar-width: 240px;
  --topbar-height: 56px;

  --font: 'Inter', sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--color-neutral);
  color: var(--color-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-tertiary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }

/* ============================================================
   LAYOUT
   ============================================================ */

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform .25s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-lg);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}
.logo-icon { font-size: 1.4rem; }

.sidebar-close { display: none; padding: var(--sp-xs); color: var(--color-secondary); font-size: 1rem; }

.sidebar-body { flex: 1; overflow-y: auto; overflow-x: hidden; padding: var(--sp-md) 0; }

.sidebar-section-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--color-secondary);
  padding: var(--sp-md) var(--sp-lg) var(--sp-xs);
}

.nav-list { list-style: none; }
.nav-item { display: block; }

.nav-link, .nav-link-btn {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--sp-sm);
  padding: 10px var(--sp-lg);
  color: var(--color-secondary);
  font-size: .9rem;
  font-weight: 500;
  line-height: 1.4;
  transition: background .15s, color .15s;
  border-radius: 0;
  width: 100%;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
}
.nav-link:hover, .nav-link-btn:hover { background: var(--color-neutral); color: var(--color-primary); text-decoration: none; }
.nav-item.active .nav-link { color: var(--color-tertiary); background: #fdf1ee; font-weight: 600; }
.nav-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: inherit;
}

.sidebar-footer {
  padding: var(--sp-md) var(--sp-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8rem;
}
.card-count-label { color: var(--color-secondary); }
.card-count-num { font-weight: 700; color: var(--color-primary); }

/* Wrapper */
.layout-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Topbar (mobile header) */
.topbar {
  display: none;
  align-items: center;
  height: var(--topbar-height);
  padding: 0 var(--sp-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: var(--sp-md);
}
.topbar-menu {
  width: 36px; height: 36px;
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  padding: 4px;
}
.topbar-menu span { display: block; height: 2px; background: var(--color-primary); border-radius: 2px; }
.topbar-title { flex: 1; font-weight: 700; font-size: 1.05rem; }
.topbar-actions { display: flex; gap: var(--sp-sm); }

/* Main content */
.main-content {
  flex: 1;
  padding: var(--sp-xl) var(--sp-xl);
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 150;
}

/* ============================================================
   MESSAGES
   ============================================================ */
.messages-container { padding: var(--sp-sm) var(--sp-xl) 0; max-width: 1200px; margin: 0 auto; }
.alert {
  padding: var(--sp-sm) var(--sp-md);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  margin-bottom: var(--sp-sm);
}
.alert-success { background: #e8f5e9; color: var(--color-success); border: 1px solid #a5d6a7; }
.alert-error, .alert-danger { background: #ffebee; color: var(--color-danger); border: 1px solid #ef9a9a; }
.alert-info { background: #e3f2fd; color: #1565c0; border: 1px solid #90caf9; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: var(--sp-xs);
  padding: 10px 20px;
  font-size: .875rem; font-weight: 600;
  border-radius: var(--radius-sm);
  border: none; cursor: pointer;
  transition: background .15s, color .15s, box-shadow .15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--color-tertiary); color: #fff; }
.btn-primary:hover { background: var(--color-tertiary-dark); color: #fff; text-decoration: none; }

.btn-secondary { background: transparent; color: var(--color-tertiary); border: 1.5px solid var(--color-tertiary); }
.btn-secondary:hover { background: #fdf1ee; text-decoration: none; }

.btn-ghost { background: transparent; color: var(--color-secondary); }
.btn-ghost:hover { background: var(--color-surface-var); color: var(--color-primary); text-decoration: none; }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #b71c1c; text-decoration: none; color: #fff; }

.btn-danger-ghost { background: transparent; color: var(--color-danger); font-size: .8rem; }
.btn-danger-ghost:hover { background: #ffebee; text-decoration: none; }

.btn-sm { padding: 6px 14px; font-size: .8rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-icon { padding: 4px 8px; }

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--sp-lg);
}
.page-header-left { display: flex; align-items: baseline; gap: var(--sp-md); }
.page-title { font-size: 1.75rem; font-weight: 700; color: var(--color-primary); }
.page-subtitle { font-size: .9rem; color: var(--color-secondary); }
.page-sub { color: var(--color-secondary); margin-bottom: var(--sp-lg); }
.desktop-only { display: flex; }

/* ============================================================
   SEARCH BAR
   ============================================================ */
.search-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-lg);
  background: var(--color-surface);
  padding: var(--sp-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}
.search-input-wrap {
  flex: 1; min-width: 200px;
  display: flex; align-items: center;
  gap: var(--sp-sm);
  background: var(--color-neutral);
  border-radius: var(--radius-sm);
  padding: 0 var(--sp-sm);
}
.search-icon { color: var(--color-secondary); flex-shrink: 0; }
.search-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px 0;
  font-size: .9rem;
  font-family: var(--font);
  color: var(--color-primary);
  outline: none;
}
.search-filters { display: flex; align-items: center; gap: var(--sp-sm); flex-wrap: wrap; }
.search-filters select {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: .875rem;
  font-family: var(--font);
  background: var(--color-surface);
  color: var(--color-primary);
  outline: none;
}

/* ============================================================
   CARD GRID (Eight-style)
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-md);
}

.card-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .2s, transform .2s;
  color: inherit;
  text-decoration: none;
}
.card-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,.12); transform: translateY(-2px); }

.card-item-image {
  aspect-ratio: 16/9;
  background: var(--color-surface-var);
  overflow: hidden;
}
.card-item-image img { width: 100%; height: 100%; object-fit: cover; }
.card-item-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-border);
}

.card-item-body { padding: var(--sp-md); flex: 1; display: flex; flex-direction: column; gap: 2px; }
.card-item-name { font-size: 1rem; font-weight: 700; color: var(--color-primary); }
.card-item-company { font-size: .82rem; color: var(--color-secondary); font-weight: 500; }
.card-item-title { font-size: .78rem; color: var(--color-secondary); }
.card-item-contact { font-size: .78rem; color: var(--color-secondary); margin-top: 2px; }
.card-item-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: var(--sp-xs); }

/* Tags */
.tag {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: .72rem; font-weight: 500;
  background: color-mix(in srgb, var(--tag-color, #6C7278) 15%, white);
  color: var(--tag-color, #6C7278);
  border: 1px solid color-mix(in srgb, var(--tag-color, #6C7278) 30%, white);
}

/* ============================================================
   DETAIL VIEW
   ============================================================ */
.detail-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--sp-xl);
  align-items: start;
}

.detail-image-wrap {
  position: sticky;
  top: calc(var(--topbar-height) + var(--sp-lg));
}
.detail-card-image {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  width: 100%;
}
.detail-image-placeholder {
  aspect-ratio: 16/9;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 2px dashed var(--color-border);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: var(--sp-sm);
  color: var(--color-border);
  font-size: .8rem;
}

.detail-info { display: flex; flex-direction: column; gap: var(--sp-lg); }

.detail-name-block { padding-bottom: var(--sp-lg); border-bottom: 1px solid var(--color-border); }
.detail-name { font-size: 2rem; font-weight: 700; line-height: 1.2; }
.detail-kana { font-size: .9rem; color: var(--color-secondary); margin-top: 4px; }
.detail-name-en { font-size: .9rem; color: var(--color-secondary); }

.detail-section { display: flex; flex-direction: column; gap: var(--sp-sm); }
.detail-section-title { font-size: .72rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--color-secondary); }

.detail-row { display: flex; gap: var(--sp-md); align-items: baseline; }
.detail-label { min-width: 56px; font-size: .78rem; color: var(--color-secondary); flex-shrink: 0; }
.detail-value { font-size: .9rem; color: var(--color-primary); }
.detail-link { font-size: .9rem; color: var(--color-tertiary); }

.detail-memo { font-size: .9rem; color: var(--color-primary); line-height: 1.7; }

.detail-meta {
  display: flex; gap: var(--sp-md);
  font-size: .75rem; color: var(--color-secondary);
  border-top: 1px solid var(--color-border);
  padding-top: var(--sp-md);
}

.detail-actions { display: flex; gap: var(--sp-sm); flex-wrap: wrap; }

.tag-list { display: flex; flex-wrap: wrap; gap: var(--sp-xs); }

/* ============================================================
   FORM
   ============================================================ */
.form-page { max-width: 720px; margin: 0 auto; }
.form-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--sp-xl);
  box-shadow: var(--shadow-card);
}
.form-title { font-size: 1.5rem; font-weight: 700; margin-bottom: var(--sp-lg); }
.form-sub { color: var(--color-secondary); font-size: .875rem; margin-bottom: var(--sp-md); }
.form-section-title {
  font-size: .72rem; font-weight: 700; letter-spacing: .07em;
  text-transform: uppercase; color: var(--color-secondary);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--sp-xs);
  margin: var(--sp-lg) 0 var(--sp-md);
}
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--sp-md); }
.form-image-upload { margin-bottom: var(--sp-md); }
.form-label { font-size: .85rem; font-weight: 600; display: block; margin-bottom: var(--sp-xs); }
.image-preview { max-height: 200px; border-radius: var(--radius-sm); margin-top: var(--sp-sm); }
.form-actions { display: flex; gap: var(--sp-sm); margin-top: var(--sp-xl); }

/* crispy overrides */
.form-control {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font);
  font-size: .9rem;
  width: 100%;
  transition: border-color .15s;
  background: var(--color-surface);
  color: var(--color-primary);
}
.form-control:focus { outline: none; border-color: var(--color-tertiary); box-shadow: 0 0 0 3px rgba(184,66,46,.15); }

label { font-size: .85rem; font-weight: 600; color: var(--color-primary); }
.mb-3 { margin-bottom: var(--sp-md); }

.tags-check-group .checkboxselectmultiple { display: flex; flex-wrap: wrap; gap: var(--sp-sm); margin-top: var(--sp-xs); }

/* ============================================================
   OCR UPLOAD
   ============================================================ */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-xxl) var(--sp-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.upload-zone.drag-over { border-color: var(--color-tertiary); background: #fdf1ee; }
.upload-zone-text { font-weight: 600; color: var(--color-primary); }
.upload-zone-sub { color: var(--color-secondary); font-size: .85rem; }

.upload-preview { text-align: center; }
.upload-preview img { max-height: 320px; border-radius: var(--radius-md); box-shadow: var(--shadow-card); margin: 0 auto var(--sp-md); }

.ocr-spinner {
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-md);
  padding: var(--sp-xl);
  color: var(--color-secondary);
}
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-tertiary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.ocr-manual { text-align: center; margin-top: var(--sp-xl); }
.link-muted { color: var(--color-secondary); font-size: .85rem; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  text-align: center;
  padding: var(--sp-xxl) var(--sp-xl);
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-md);
}
.empty-icon { font-size: 4rem; }
.empty-title { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); }
.empty-sub { color: var(--color-secondary); }

/* ============================================================
   TAG MANAGER
   ============================================================ */
.tag-manager { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-xl); align-items: start; }
.tag-list-manage { display: flex; flex-direction: column; gap: var(--sp-sm); }
.tag-manage-row { display: flex; align-items: center; gap: var(--sp-sm); padding: var(--sp-sm) var(--sp-md); background: var(--color-surface); border-radius: var(--radius-sm); box-shadow: var(--shadow-card); }
.tag-count { margin-left: auto; font-size: .78rem; color: var(--color-secondary); }

/* ============================================================
   AUTH PAGES
   ============================================================ */
.auth-body, .auth-layout {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-neutral);
}
.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-xxl) var(--sp-xl);
  box-shadow: var(--shadow-modal);
  width: 100%; max-width: 440px;
}
.auth-logo { font-size: 1.8rem; font-weight: 700; text-align: center; margin-bottom: var(--sp-md); }
.auth-title { font-size: 1.4rem; font-weight: 700; text-align: center; margin-bottom: var(--sp-xl); }
.auth-link { text-align: center; margin-top: var(--sp-lg); font-size: .875rem; color: var(--color-secondary); }
.auth-link a { color: var(--color-tertiary); }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination { display: flex; align-items: center; justify-content: center; gap: var(--sp-md); margin-top: var(--sp-xl); }
.page-link { color: var(--color-tertiary); font-weight: 600; font-size: .875rem; }
.page-info { color: var(--color-secondary); font-size: .875rem; }

/* ============================================================
   FAB
   ============================================================ */
.fab {
  position: fixed;
  bottom: var(--sp-xl); right: var(--sp-xl);
  width: 56px; height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-tertiary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(184,66,46,.4);
  transition: background .15s, box-shadow .15s, transform .15s;
  z-index: 90;
}
.fab:hover { background: var(--color-tertiary-dark); box-shadow: 0 6px 24px rgba(184,66,46,.5); transform: scale(1.05); text-decoration: none; color: #fff; }

/* ============================================================
   UTILITY
   ============================================================ */
.text-danger { color: var(--color-danger); }

/* ============================================================
   RESPONSIVE — Mobile
   ============================================================ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-modal);
  }
  .sidebar-close { display: flex; align-items: center; justify-content: center; }
  .sidebar-overlay { display: block; }

  .layout-wrapper { margin-left: 0; }
  .topbar { display: flex; }

  .main-content { padding: var(--sp-lg) var(--sp-md); }

  .detail-layout { grid-template-columns: 1fr; }
  .detail-image-wrap { position: static; }

  .tag-manager { grid-template-columns: 1fr; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .desktop-only { display: none; }

  .page-header { flex-direction: column; align-items: flex-start; gap: var(--sp-sm); }

  .fab { bottom: var(--sp-lg); right: var(--sp-md); }
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
  .form-card { padding: var(--sp-lg); }
  .auth-card { padding: var(--sp-xl) var(--sp-lg); }
}