:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f4f4f5;
  --line: #e4e4e7;
  --line-strong: #d4d4d8;
  --text: #18181b;
  --text-soft: #71717a;
  --text-faint: #a1a1aa;
  --accent: #18181b;
  --accent-text: #ffffff;
  --good: #15803d;       --good-bg: #dcfce7;
  --warn: #b45309;       --warn-bg: #fef3c7;
  --bad: #be123c;        --bad-bg: #ffe4e6;
  --info: #1d4ed8;       --info-bg: #dbeafe;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --radius: 10px;
  --radius-sm: 7px;
}

:root[data-theme="dark"] {
  --bg: #0c0c0d;
  --surface: #161618;
  --surface-2: #1f1f22;
  --line: #29292e;
  --line-strong: #38383f;
  --text: #f4f4f5;
  --text-soft: #a1a1aa;
  --text-faint: #71717a;
  --accent: #f4f4f5;
  --accent-text: #0c0c0d;
  --good: #4ade80;       --good-bg: #14321f;
  --warn: #fbbf24;       --warn-bg: #332611;
  --bad: #fb7185;        --bad-bg: #3a1620;
  --info: #93c5fd;       --info-bg: #15233f;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.5), 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

/* Lucide icons sized to surrounding text. */
[data-lucide], svg.lucide { width: 1em; height: 1em; stroke-width: 2; vertical-align: -0.125em; flex-shrink: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased;
  font-feature-settings: 'cv11', 'ss01';
}
.mark {
  display: inline-grid; place-items: center; width: 26px; height: 26px; vertical-align: middle;
  background: var(--accent); color: var(--accent-text); border-radius: 7px; font-size: 15px;
}

/* ---------- Theme toggle ---------- */
.theme-toggle {
  display: grid; place-items: center; width: 34px; height: 34px; cursor: pointer;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--text);
  border-radius: var(--radius-sm); font-size: 14px; transition: background 0.15s;
}
.theme-toggle:hover { background: var(--surface-2); }

/* ---------- Login ---------- */
.login-screen { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: var(--bg); }
.login-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; width: min(380px, 100%); display: flex; flex-direction: column; gap: 12px;
  box-shadow: var(--shadow-md);
}
.login-brand { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.login-brand .sub { width: 100%; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-soft); font-weight: 500; margin-top: 2px; }
.login-hint { color: var(--text-soft); font-size: 13px; margin-bottom: 8px; }
.login-card input {
  font-family: inherit; padding: 11px 13px; border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--text); font-size: 14px;
}
.login-card input::placeholder { color: var(--text-faint); }
.login-card input:focus { outline: none; border-color: var(--text-soft); box-shadow: 0 0 0 3px color-mix(in srgb, var(--text-soft) 18%, transparent); }
.login-error { color: var(--bad); font-size: 13px; min-height: 16px; }
.login-demo { font-size: 12px; color: var(--text-soft); }
.login-demo code { background: var(--surface-2); padding: 2px 6px; border-radius: 4px; color: var(--text); font-size: 12px; }

.primary {
  font-family: inherit; font-weight: 600; font-size: 14px; padding: 11px 16px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); border-radius: var(--radius-sm);
  transition: opacity 0.15s;
}
.primary:hover { opacity: 0.88; }
.ghost {
  font-family: inherit; font-weight: 500; font-size: 14px; padding: 11px 16px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border: 1px solid var(--line-strong); background: transparent; color: var(--text); border-radius: var(--radius-sm);
  transition: background 0.15s;
}
.ghost:hover { background: var(--surface-2); }

/* ---------- Console layout ---------- */
.console { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--surface); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; padding: 20px 14px; gap: 4px;
}
.side-brand { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; padding: 4px 8px 16px; display: flex; align-items: center; gap: 9px; }
.sidebar nav { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.nav-btn {
  font-family: inherit; text-align: left; font-size: 14px; font-weight: 500; padding: 10px 12px;
  display: flex; align-items: center; gap: 10px;
  border: none; background: transparent; color: var(--text-soft); border-radius: var(--radius-sm); cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.nav-btn [data-lucide], .nav-btn svg { width: 16px; height: 16px; }
.nav-btn:hover { background: var(--surface-2); color: var(--text); }
.nav-btn.active { background: var(--surface-2); color: var(--text); font-weight: 600; }
.side-foot { display: flex; flex-direction: column; gap: 10px; font-size: 12px; color: var(--text-soft); padding: 12px 8px 0; border-top: 1px solid var(--line); }
.side-foot-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.logout { font-family: inherit; text-align: left; background: none; border: none; color: var(--bad); cursor: pointer; font-size: 13px; padding: 0; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.logout:hover { text-decoration: underline; }

.content { padding: 32px 40px; overflow-y: auto; }
.view-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
h1 { font-weight: 700; font-size: 26px; letter-spacing: -0.02em; margin-bottom: 24px; }
.view-head h1 { margin-bottom: 0; }
.muted { color: var(--text-soft); font-size: 13px; margin-top: 18px; }

/* ---------- Stats ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); }
.stat-icon {
  display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 14px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm);
  color: var(--text-soft); font-size: 17px;
}
.stat .label { font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-soft); }
.stat .value { font-size: 32px; font-weight: 700; letter-spacing: -0.02em; margin-top: 8px; font-variant-numeric: tabular-nums; }
.stat .value.accent { color: var(--text); }
.stat .value.warn { color: var(--warn); }

/* ---------- Table ---------- */
.data-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.data-table th {
  text-align: left; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-soft); padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--surface-2);
}
.data-table td { padding: 13px 16px; border-bottom: 1px solid var(--line); font-size: 14px; font-variant-numeric: tabular-nums; vertical-align: middle; }
.cell-thumb { width: 38px; height: 38px; border-radius: 6px; object-fit: cover; border: 1px solid var(--line); display: block; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--surface-2); }
.row-actions { white-space: nowrap; }
.row-actions button { font-family: inherit; font-size: 16px; background: none; border: none; cursor: pointer; padding: 6px; border-radius: 6px; display: inline-grid; place-items: center; }
.row-actions button:hover { background: var(--surface-2); }
.row-actions .edit { color: var(--info); }
.row-actions .del { color: var(--bad); }
.stock-low { color: var(--warn); font-weight: 600; }

select {
  font-family: inherit; font-size: 14px; padding: 9px 38px 9px 13px;
  appearance: none; -webkit-appearance: none; -moz-appearance: none; cursor: pointer;
  border-radius: var(--radius-sm); border: 1px solid var(--line-strong);
  background-color: var(--surface); color: var(--text);
  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='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
select:focus { outline: none; border-color: var(--text-soft); box-shadow: 0 0 0 3px color-mix(in srgb, var(--text-soft) 18%, transparent); }

/* ---------- Orders ---------- */
.order-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 14px; box-shadow: var(--shadow-sm); }
.order-top { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 10px; }
.order-ref { font-weight: 700; font-variant-numeric: tabular-nums; }
.order-buyer { color: var(--text-soft); font-size: 13px; margin-top: 3px; display: inline-flex; align-items: center; gap: 6px; }
.order-total { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.order-items { margin-top: 12px; font-size: 13px; color: var(--text-soft); }
.order-items span { display: inline-flex; align-items: center; gap: 5px; margin-right: 16px; }
.order-foot { margin-top: 14px; display: flex; align-items: center; gap: 12px; }
.badge-status { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; padding: 4px 10px; border-radius: 20px; font-weight: 600; }
.s-received { background: var(--info-bg); color: var(--info); }
.s-processing { background: var(--warn-bg); color: var(--warn); }
.s-dispatched { background: var(--good-bg); color: var(--good); }
.s-cancelled { background: var(--bad-bg); color: var(--bad); }

/* ---------- Modal ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: grid; place-items: center; z-index: 50; padding: 20px; }
.modal {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  width: min(520px, 100%); max-height: calc(100vh - 40px); overflow-y: auto;
  display: flex; flex-direction: column; gap: 13px; box-shadow: var(--shadow-lg);
}
.modal h2 { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.modal label { display: flex; flex-direction: column; gap: 5px; min-width: 0; font-size: 12px; font-weight: 600; color: var(--text-soft); }
.label-hint { font-weight: 400; color: var(--text-faint); }
.modal input {
  font-family: inherit; padding: 10px 12px; border-radius: var(--radius-sm); border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--text); font-size: 14px; min-width: 0; width: 100%;
}
.modal input::placeholder { color: var(--text-faint); }
.modal input:focus { outline: none; border-color: var(--text-soft); box-shadow: 0 0 0 3px color-mix(in srgb, var(--text-soft) 18%, transparent); }
.modal input:disabled { background: var(--surface-2); color: var(--text-soft); }
.modal-row { display: grid; gap: 10px; }
.modal-row.two { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.modal-row.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.img-preview {
  border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden;
  background: var(--surface-2); height: 130px;
}
.img-preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.modal-error { color: var(--bad); font-size: 13px; min-height: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }

@media (max-width: 720px) {
  .console { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; align-items: center; padding: 12px; gap: 12px; }
  .sidebar nav { flex-direction: row; }
  .side-brand { padding: 0 8px 0 0; }
  .side-foot { flex-direction: row; align-items: center; margin-left: auto; border-top: none; padding: 0; }
  .content { padding: 20px; }
  .modal-row.two, .modal-row.three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 460px) {
  .modal-overlay { padding: 12px; }
  .modal { padding: 20px; }
  .modal-row.two, .modal-row.three { grid-template-columns: 1fr; }
}