/* ==========================================================================
   Hardware POS - shared design system
   Loaded after Bootstrap 5. One place for brand colour, type, focus and
   component styling so every screen (login, terminal, admin) matches.
   Motif: the tape measure - used on the login panel and terminal header only.
   ========================================================================== */

:root {
    /* Brand */
    --pos-green-900: #00301b;
    --pos-green-800: #004d2a;
    --pos-green-700: #006a3a;   /* primary */
    --pos-green-100: #e3f1e9;
    --pos-amber:     #f5a300;   /* safety amber: accents/fills, never text on white */
    --pos-amber-100: #fff3d1;

    /* Neutrals (slightly warm so screens feel less clinical) */
    --pos-ink:   #1c2420;
    --pos-muted: #5b6760;
    --pos-line:  #dde2dc;
    --pos-bg:    #eef0eb;
    --pos-paper: #ffffff;

    /* Status */
    --pos-danger:     #b3261e;
    --pos-danger-100: #fbe9e7;

    --pos-radius: 10px;
    --pos-radius-sm: 6px;
    --pos-shadow: 0 1px 2px rgba(28,36,32,.06), 0 4px 14px rgba(28,36,32,.06);
    --pos-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    /* Bootstrap bridge */
    --bs-primary: var(--pos-green-700);
    --bs-primary-rgb: 0, 106, 58;
    --bs-body-font-family: var(--pos-font);
    --bs-body-color: var(--pos-ink);
    --bs-border-color: var(--pos-line);
    --bs-heading-color: var(--pos-ink);
}

body { font-family: var(--pos-font); color: var(--pos-ink); }

/* Money and quantities must line up in columns */
.num, .table td, .table th, input[type=number] { font-variant-numeric: tabular-nums; }

/* ---- Buttons & forms: bigger touch targets for counter use ---- */
.btn { border-radius: var(--pos-radius-sm); font-weight: 600; min-height: 40px; background-image: none; }
.btn-lg { min-height: 56px; }
.btn-primary {
    --bs-btn-bg: var(--pos-green-700); --bs-btn-border-color: var(--pos-green-700);
    --bs-btn-hover-bg: var(--pos-green-800); --bs-btn-hover-border-color: var(--pos-green-800);
    --bs-btn-active-bg: var(--pos-green-900); --bs-btn-active-border-color: var(--pos-green-900);
    --bs-btn-disabled-bg: #7aa892; --bs-btn-disabled-border-color: #7aa892;
}
.btn-outline-primary {
    --bs-btn-color: var(--pos-green-700); --bs-btn-border-color: var(--pos-green-700);
    --bs-btn-hover-bg: var(--pos-green-700); --bs-btn-hover-border-color: var(--pos-green-700);
}
.text-primary { color: var(--pos-green-700) !important; }
.bg-primary   { background-color: var(--pos-green-700) !important; }

.form-control, .form-select { min-height: 42px; border-radius: var(--pos-radius-sm); }
.form-label { font-weight: 600; font-size: .875rem; }

/* Keyboard focus that is always visible (POS is used with keyboard/scanner) */
:focus-visible { outline: 3px solid var(--pos-amber); outline-offset: 2px; }
.form-control:focus, .form-select:focus {
    border-color: var(--pos-green-700);
    box-shadow: 0 0 0 .2rem rgba(0,106,58,.2);
}

/* ---- Admin tables & cards ---- */
.card { border-color: var(--pos-line); border-radius: var(--pos-radius); }
.table > thead th { color: var(--pos-muted); font-size: .78rem; font-weight: 700; letter-spacing: .02em; }
.table > thead.table-dark th { color: #fff; }
.table-hover > tbody > tr:hover > * { background-color: var(--pos-green-100); }
.sidebar-link.active { background-color: var(--pos-amber) !important; color: var(--pos-ink) !important; }

/* ---- Tape-measure motif ---- */
.tape { position: relative; height: 20px; color: rgba(255,255,255,.55); }
.tape::before, .tape::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; }
.tape::before { height: 20px; background: repeating-linear-gradient(90deg, currentColor 0 2px, transparent 2px 48px); }
.tape::after  { height: 10px; background: repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 8px); }
.tape--amber  { color: var(--pos-amber); }

/* ---- Toasts (replace alert()) ---- */
.pos-toasts { position: fixed; bottom: 16px; left: 16px; z-index: 2000; display: grid; gap: 8px; width: min(380px, calc(100vw - 32px)); }
.pos-toast {
    display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px;
    border-radius: var(--pos-radius); background: var(--pos-paper);
    border: 1px solid var(--pos-line); border-left-width: 5px;
    box-shadow: var(--pos-shadow); font-size: .92rem;
}
.pos-toast--error { border-left-color: var(--pos-danger); }
.pos-toast--warn  { border-left-color: var(--pos-amber); }
.pos-toast--ok    { border-left-color: var(--pos-green-700); }

/* ---- Keyboard hint chips ---- */
.kbd {
    display: inline-block; padding: 1px 6px; font: 600 .72rem/1.5 ui-monospace, Consolas, monospace;
    color: var(--pos-muted); background: var(--pos-bg);
    border: 1px solid var(--pos-line); border-bottom-width: 2px; border-radius: 4px;
}

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