:root {
  --ink: #27211d;
  --muted: #7c726a;
  --paper: #fffdfa;
  --canvas: #f3eee7;
  --brown: #4b2b20;
  --brown-2: #6f4030;
  --accent: #c76f49;
  --green: #3e7960;
  --red: #a8463f;
  --line: rgba(58, 42, 33, .12);
  --shadow: 0 18px 55px rgba(66, 38, 26, .1);
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--canvas); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, textarea, select { font: inherit; }
a { color: inherit; text-decoration: none; }
.admin-shell { min-height: 100vh; display: grid; grid-template-columns: 245px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; padding: 28px 20px 20px; color: #f8f2ec; background: #2c1c17; }
.admin-brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 26px; }
.admin-brand-logo { width: 58px; height: 43px; flex: 0 0 58px; overflow: hidden; border-radius: 10px; background: #fff; }
.admin-brand-logo img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; }
.admin-brand-mark { width: 43px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: var(--accent); font: italic 700 22px Georgia, serif; }
.admin-brand strong { display: block; font: 600 18px Georgia, serif; }
.admin-brand small { color: rgba(255,255,255,.45); font-size: 10px; letter-spacing: .11em; text-transform: uppercase; }
.sidebar nav { display: grid; gap: 7px; }
.nav-link { display: flex; align-items: center; gap: 11px; padding: 13px 14px; border-radius: 14px; color: rgba(255,255,255,.6); font-size: 13px; font-weight: 700; }
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255,255,255,.1); }
.nav-icon { width: 21px; text-align: center; color: #e7a280; }
.sidebar-footer { margin-top: auto; padding: 18px 10px 4px; border-top: 1px solid rgba(255,255,255,.1); }
.sidebar-footer strong { display: block; font-size: 12px; }
.sidebar-footer small { display: block; overflow: hidden; margin-top: 4px; color: rgba(255,255,255,.4); font-size: 10px; text-overflow: ellipsis; }
.logout-link { display: inline-block; margin-top: 14px; color: #efaa88; font-size: 11px; font-weight: 800; }
.admin-main { min-width: 0; padding: 30px clamp(22px, 4vw, 54px) 70px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 30px; }
.admin-topbar h1 { margin: 0 0 5px; font: 500 clamp(28px, 4vw, 40px) Georgia, serif; letter-spacing: -.025em; }
.admin-topbar p { margin: 0; color: var(--muted); font-size: 13px; }
.top-actions { display: flex; gap: 9px; }
.button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 16px; border: 0; border-radius: 12px; background: var(--brown); color: #fff; cursor: pointer; font-size: 12px; font-weight: 800; }
.button:hover { background: var(--brown-2); }
.button.secondary { color: var(--brown); background: #eadfd5; }
.button.ghost { color: var(--muted); background: transparent; border: 1px solid var(--line); }
.button.danger { color: var(--red); background: #f4dfdc; }
.button.small { min-height: 34px; padding: 0 11px; font-size: 10px; }
.flash { margin: -8px 0 24px; padding: 14px 17px; border-radius: 14px; font-size: 12px; }
.flash.success { color: #286249; background: #dcece4; }
.flash.error { color: #843a35; background: #f3dedc; }
.dashboard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.metric { position: relative; overflow: hidden; min-height: 154px; padding: 24px; border-radius: 24px; background: var(--paper); box-shadow: var(--shadow); }
.metric::after { content: ""; position: absolute; right: -30px; bottom: -35px; width: 115px; aspect-ratio: 1; border-radius: 50%; background: rgba(199,111,73,.12); }
.metric small { color: var(--muted); font-size: 10px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.metric strong { display: block; margin-top: 16px; font: 500 42px/1 Georgia, serif; }
.metric span { display: block; margin-top: 9px; color: var(--green); font-size: 11px; }
.panel-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; margin-top: 18px; }
.panel { padding: 24px; border-radius: 24px; background: var(--paper); box-shadow: var(--shadow); }
.panel + .panel { margin-top: 18px; }
.panel-grid .panel + .panel { margin-top: 0; }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.panel-header h2 { margin: 0; font: 600 22px Georgia, serif; }
.panel-header p { margin: 5px 0 0; color: var(--muted); font-size: 11px; }
.mini-list { display: grid; gap: 5px; }
.mini-item { display: grid; grid-template-columns: 46px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.mini-item:last-child { border-bottom: 0; }
.mini-item img { width: 46px; aspect-ratio: 1; border-radius: 12px; object-fit: cover; }
.mini-item img.is-fallback, .data-summary img.is-fallback { padding: 5px; object-fit: contain; background: #fff; }
.mini-item strong { display: block; font-size: 12px; }
.mini-item small { color: var(--muted); font-size: 10px; }
.mini-item .value { font-size: 12px; font-weight: 900; }
.quick-links { display: grid; gap: 10px; }
.quick-link { padding: 15px; border: 1px solid var(--line); border-radius: 15px; transition: .18s ease; }
.quick-link:hover { border-color: rgba(199,111,73,.45); transform: translateY(-1px); }
.quick-link strong { display: block; font-size: 12px; }
.quick-link small { color: var(--muted); font-size: 10px; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
.form-section-title { grid-column: 1 / -1; padding: 18px 0 2px; border-top: 1px solid var(--line); }
.form-section-title:first-child { padding-top: 0; border-top: 0; }
.form-section-title h3 { margin: 0; font: 600 18px Georgia, serif; }
.form-section-title p { margin: 5px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { color: #5d514a; font-size: 10px; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.field input, .field textarea, .field select { width: 100%; min-height: 46px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 12px; outline: 0; background: #fff; color: var(--ink); font-size: 12px; }
.field textarea { min-height: 92px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: rgba(199,111,73,.75); box-shadow: 0 0 0 3px rgba(199,111,73,.1); }
.field-hint { color: var(--muted); font-size: 10px; line-height: 1.45; }
.checkbox-row { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.check { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }
.form-actions { display: flex; gap: 10px; margin-top: 20px; }
.bulk-import-note { grid-column: 1 / -1; display: grid; gap: 7px; padding: 15px 17px; border-radius: 14px; color: var(--muted); background: #f2ebe4; font-size: 11px; line-height: 1.55; }
.bulk-import-note strong { color: var(--brown); font-size: 12px; }
.bulk-import-note b { color: #5d514a; }

.data-list { display: grid; gap: 10px; }
.data-card { border: 1px solid var(--line); border-radius: 17px; background: #fff; }
.data-summary { display: grid; grid-template-columns: 54px minmax(0, 1fr) auto auto; align-items: center; gap: 14px; padding: 12px; cursor: pointer; list-style: none; }
.data-summary::-webkit-details-marker { display: none; }
.data-summary img { width: 54px; aspect-ratio: 1; border-radius: 13px; object-fit: cover; background: #eee5dc; }
.data-title strong { display: block; font-size: 12px; }
.data-title small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; }
.status { padding: 6px 9px; border-radius: 999px; color: #2d6a4e; background: #dfede5; font-size: 9px; font-weight: 900; text-transform: uppercase; }
.status.off { color: #7f4941; background: #f0dfdc; }
.chevron { width: 28px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; color: var(--accent); background: #f4e5dd; transition: .2s ease; }
details[open] .chevron { transform: rotate(180deg); }
.data-edit { padding: 18px; border-top: 1px solid var(--line); background: #fcfaf7; border-radius: 0 0 17px 17px; }
.danger-zone { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.danger-zone small { color: var(--muted); }
.empty-admin { padding: 44px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 18px; }

.qr-layout { display: grid; grid-template-columns: minmax(260px, .7fr) minmax(330px, 1.3fr); gap: 22px; align-items: start; }
.qr-card { padding: 28px; border-radius: 26px; background: #fff; box-shadow: var(--shadow); text-align: center; }
.qr-frame { width: min(100%, 330px); aspect-ratio: 1; display: grid; place-items: center; margin: 0 auto 20px; padding: 20px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.qr-frame img { width: 100%; height: 100%; object-fit: contain; }
.qr-card h2 { margin: 0; font: 600 24px Georgia, serif; }
.qr-card p { color: var(--muted); font-size: 11px; line-height: 1.6; }
.qr-url { overflow-wrap: anywhere; padding: 12px; border-radius: 12px; background: var(--canvas); color: var(--brown); font-size: 11px; font-weight: 700; }
.setup-steps { counter-reset: step; display: grid; gap: 14px; margin-top: 20px; }
.setup-step { position: relative; min-height: 58px; padding: 4px 0 0 50px; }
.setup-step::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; width: 34px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 50%; background: #eee1d8; color: var(--brown); font-size: 11px; font-weight: 900; }
.setup-step strong { display: block; font-size: 12px; }
.setup-step p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }

.login-page { min-height: 100vh; display: grid; grid-template-columns: 1.1fr .9fr; background: #2b1a15; }
.login-visual { position: relative; display: flex; align-items: flex-end; min-height: 100vh; padding: clamp(38px, 7vw, 90px); color: #fff; background: linear-gradient(180deg, rgba(34,19,13,.1), rgba(34,19,13,.88)), url('../img/coffee.jpg') center/cover; }
.login-visual h1 { max-width: 520px; margin: 0; font: 500 clamp(45px, 6vw, 76px)/.98 Georgia, serif; letter-spacing: -.04em; }
.login-visual p { max-width: 480px; color: rgba(255,255,255,.65); line-height: 1.7; }
.login-side { display: grid; place-items: center; padding: 30px; background: var(--canvas); }
.login-card { width: min(100%, 420px); }
.login-card .admin-brand { padding: 0 0 34px; color: var(--ink); }
.login-card h2 { margin: 0; font: 500 36px Georgia, serif; }
.login-card > p { margin: 10px 0 28px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.login-card .field { margin-bottom: 14px; }
.login-card .button { width: 100%; min-height: 50px; margin-top: 8px; }
.login-help { margin-top: 22px; padding: 14px; border-radius: 13px; background: #e9dfd6; color: var(--muted); font-size: 10px; line-height: 1.6; }

@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 76px minmax(0, 1fr); }
  .sidebar { padding-inline: 12px; }
  .admin-brand { justify-content: center; padding-inline: 0; }
  .admin-brand > div, .nav-link span:not(.nav-icon), .sidebar-footer strong, .sidebar-footer small { display: none; }
  .nav-link { justify-content: center; padding-inline: 0; }
  .sidebar-footer { text-align: center; }
  .panel-grid, .qr-layout { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .admin-shell { display: block; }
  .sidebar { position: static; width: 100%; height: auto; padding: 12px 14px; flex-direction: row; align-items: center; overflow-x: auto; }
  .admin-brand { display: none; }
  .sidebar nav { display: flex; gap: 5px; }
  .nav-link { flex: 0 0 auto; padding: 10px 12px; }
  .nav-link span:not(.nav-icon) { display: inline; }
  .sidebar-footer { display: none; }
  .admin-main { padding: 22px 14px 60px; }
  .admin-topbar { align-items: flex-start; }
  .top-actions { flex-direction: column; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-section-title { grid-column: auto; }
  .bulk-import-note { grid-column: auto; }
  .field.full { grid-column: auto; }
  .data-summary { grid-template-columns: 46px minmax(0, 1fr) auto; }
  .data-summary img { width: 46px; }
  .data-summary .status { display: none; }
  .danger-zone { align-items: flex-start; flex-direction: column; }
  .login-page { grid-template-columns: 1fr; }
  .login-visual { display: none; }
  .login-side { min-height: 100vh; padding: 22px; }
}