/* =====================================================================
   Shared UI components — Top Tobacco Parts Inventory
   ===================================================================== */

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
    display:         inline-flex;
    align-items:     center;
    gap:             var(--space-2);
    padding:         var(--space-2) var(--space-4);
    border:          2px solid transparent;
    border-radius:   var(--radius-md);
    font-size:       var(--font-size-sm);
    font-weight:     600;
    line-height:     1.4;
    white-space:     nowrap;
    cursor:          pointer;
    transition:      background var(--transition-fast),
                     color var(--transition-fast),
                     border-color var(--transition-fast),
                     box-shadow var(--transition-fast);
    user-select:     none;
}
.btn:disabled { opacity: .5; pointer-events: none; }

.btn-primary {
    background: var(--color-primary);
    color:      var(--color-text-inverse);
    border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }

.btn-accent {
    background: var(--color-accent);
    color:      var(--color-text-inverse);
    border-color: var(--color-accent);
}
.btn-accent:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); }

.btn-outline {
    background:   transparent;
    color:        var(--color-primary);
    border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: var(--color-text-inverse); }

.btn-ghost {
    background:   transparent;
    color:        var(--color-text-secondary);
    border-color: transparent;
}
.btn-ghost:hover { background: var(--color-bg-subtle); }

.btn-danger {
    background:   var(--color-danger);
    color:        #fff;
    border-color: var(--color-danger);
}
.btn-danger:hover { background: #a01020; }

.btn-sm { padding: var(--space-1) var(--space-3); font-size: var(--font-size-xs); }
.btn-lg { padding: var(--space-3) var(--space-6); font-size: var(--font-size-md); }
.btn-icon { padding: var(--space-2); }

/* ── Badges ─────────────────────────────────────────────────────────── */
.badge {
    display:       inline-flex;
    align-items:   center;
    gap:           var(--space-1);
    padding:       2px var(--space-2);
    border-radius: var(--radius-pill);
    font-size:     var(--font-size-xs);
    font-weight:   600;
    line-height:   1.5;
    white-space:   nowrap;
}
.badge-primary  { background: var(--color-primary-light); color: #fff; }
.badge-accent   { background: var(--color-accent);        color: #fff; }
.badge-success  { background: var(--color-success-bg);    color: var(--color-success);  border: 1px solid var(--color-success-border); }
.badge-warning  { background: var(--color-warning-bg);    color: var(--color-warning);  border: 1px solid var(--color-warning-border); }
.badge-danger   { background: var(--color-danger-bg);     color: var(--color-danger);   border: 1px solid var(--color-danger-border); }
.badge-info     { background: var(--color-info-bg);       color: var(--color-info);     border: 1px solid var(--color-info-border); }
.badge-muted    { background: var(--color-bg-subtle);     color: var(--color-text-muted); }

/* ── Cards ───────────────────────────────────────────────────────────── */
.card {
    background:    var(--color-bg-surface);
    border:        1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    box-shadow:    var(--shadow-sm);
}
.card-body   { padding: var(--space-6); }
.card-header {
    padding:       var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
    font-weight:   700;
    font-size:     var(--font-size-lg);
}
.card-footer {
    padding:       var(--space-4) var(--space-6);
    border-top:    1px solid var(--color-border-subtle);
    background:    var(--color-bg-subtle);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ── Stat cards (dashboard) ─────────────────────────────────────────── */
.stat-card {
    background:    var(--color-bg-surface);
    border:        1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding:       var(--space-5) var(--space-6);
    box-shadow:    var(--shadow-sm);
    display:       flex;
    align-items:   center;
    gap:           var(--space-4);
    transition:    box-shadow var(--transition-base);
}
.stat-card:hover { box-shadow: var(--shadow-md); }

.stat-card__icon {
    width:          48px;
    height:         48px;
    border-radius:  var(--radius-md);
    display:        flex;
    align-items:    center;
    justify-content:center;
    font-size:      22px;
    flex-shrink:    0;
}
.stat-card__icon--primary { background: rgba(30,58,82,.12); color: var(--color-primary); }
.stat-card__icon--accent  { background: rgba(224,112,16,.12); color: var(--color-accent); }
.stat-card__icon--success { background: var(--color-success-bg); color: var(--color-success); }
.stat-card__icon--warning { background: var(--color-warning-bg); color: var(--color-warning); }
.stat-card__icon--danger  { background: var(--color-danger-bg);  color: var(--color-danger); }

.stat-card__value {
    font-size:   var(--font-size-2xl);
    font-weight: 800;
    line-height: 1;
    color:       var(--color-text);
}
.stat-card__label {
    font-size: var(--font-size-sm);
    color:     var(--color-text-muted);
    margin-top: var(--space-1);
}

/* ── Toast notifications ─────────────────────────────────────────────── */
#toast-container {
    position:   fixed;
    bottom:     calc(var(--bottom-nav-h) + var(--space-4));
    right:      var(--space-4);
    z-index:    var(--z-toast);
    display:    flex;
    flex-direction: column;
    gap:        var(--space-2);
    pointer-events: none;
}
@media (min-width: 769px) {
    #toast-container { bottom: var(--space-4); }
}

.toast {
    display:       flex;
    align-items:   flex-start;
    gap:           var(--space-3);
    padding:       var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    background:    var(--color-text);
    color:         var(--color-text-inverse);
    box-shadow:    var(--shadow-lg);
    font-size:     var(--font-size-sm);
    font-weight:   500;
    max-width:     340px;
    pointer-events: auto;
    animation:     slideInToast .22s ease both;
}
@keyframes slideInToast {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}
.toast--success { background: var(--color-success); }
.toast--warning { background: var(--color-warning); }
.toast--error   { background: var(--color-danger); }
.toast--info    { background: var(--color-info); }

/* ── Confirm dialog ─────────────────────────────────────────────────── */
.confirm-overlay {
    position:  fixed; inset: 0;
    background: rgba(0,0,0,.5);
    display:   flex; align-items: center; justify-content: center;
    z-index:   var(--z-modal);
    padding:   var(--space-4);
}
.confirm-dialog {
    background:    var(--color-bg-surface);
    border-radius: var(--radius-xl);
    padding:       var(--space-8);
    max-width:     400px; width: 100%;
    box-shadow:    var(--shadow-xl);
}
.confirm-dialog h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-3); }
.confirm-dialog p  { color: var(--color-text-secondary); margin-bottom: var(--space-6); }
.confirm-actions   { display: flex; gap: var(--space-3); justify-content: flex-end; }

/* ── Loading overlay ─────────────────────────────────────────────────── */
#loading-overlay {
    position:       fixed; inset: 0;
    background:     rgba(255,255,255,.85);
    display:        flex; align-items: center; justify-content: center;
    z-index:        var(--z-overlay);
    backdrop-filter:blur(2px);
}
#loading-overlay.hidden { display: none; }

/* ── Empty state ─────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding:    var(--space-12) var(--space-6);
    color:      var(--color-text-muted);
}
.empty-state__icon  { font-size: 48px; margin-bottom: var(--space-4); }
.empty-state__title { font-size: var(--font-size-lg); font-weight: 600; color: var(--color-text-secondary); margin-bottom: var(--space-2); }

/* ── Inventory stock badges ─────────────────────────────────────────── */
.stock-badge { font-size: var(--font-size-xs); font-weight: 700; padding: 2px 8px; border-radius: var(--radius-pill); }
.stock-badge--ok       { background: var(--color-in-stock-bg);    color: var(--color-in-stock); }
.stock-badge--low      { background: var(--color-low-stock-bg);   color: var(--color-low-stock); }
.stock-badge--out      { background: var(--color-out-of-stock-bg); color: var(--color-out-of-stock); }

/* ── Role badge ─────────────────────────────────────────────────────── */
.role-badge            { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: var(--radius-pill); text-transform: uppercase; letter-spacing: .04em; }
.role-badge--admin     { background: #2d1080; color: #fff; }
.role-badge--manager   { background: var(--color-primary); color: #fff; }
.role-badge--user      { background: var(--color-bg-subtle); color: var(--color-text-secondary); }
.role-badge--readonly  { background: var(--color-bg-muted); color: var(--color-text-muted); }

/* ── Refresh Modal (brand logo click) ──────────────────────────────── */
.refresh-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.refresh-modal {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 32px 28px 24px;
    width: 300px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0,0,0,0.45);
}
.refresh-modal-icon    { font-size: 44px; margin-bottom: 12px; }
.refresh-modal-title   { font-size: 1.1rem; font-weight: 700; color: var(--color-text-secondary); margin-bottom: 6px; }
.refresh-modal-desc    { font-size: .825rem; color: var(--color-text-muted); margin-bottom: 22px; line-height: 1.5; }
.refresh-modal-offline { padding: 10px 14px; border-radius: 8px; background: var(--color-bg-subtle); color: var(--color-text-muted); font-size: .8rem; margin-bottom: 14px; }
.refresh-modal .btn-refresh-now {
    display: block; width: 100%;
    padding: 13px; border-radius: 8px; border: none;
    background: var(--color-accent); color: #fff;
    font-size: .95rem; font-weight: 600; cursor: pointer;
    margin-bottom: 10px;
}
.refresh-modal .btn-refresh-now:hover { opacity: .9; }
.refresh-modal .btn-refresh-cancel {
    display: block; width: 100%;
    padding: 11px; border-radius: 8px; border: none;
    background: var(--color-bg-subtle); color: var(--color-text-muted);
    font-size: .9rem; cursor: pointer;
}
.refresh-modal .btn-refresh-cancel:hover { color: var(--color-text-secondary); }

/* ── Camera Scanner ──────────────────────────────────────────────────── */
.scanner-overlay {
    position:   fixed;
    inset:      0;
    background: rgba(0,0,0,.88);
    display:    flex;
    align-items: center;
    justify-content: center;
    z-index:    1200;
    padding:    var(--space-4);
    opacity:    0;
    transition: opacity .2s ease;
    pointer-events: none;
}
.scanner-overlay.open {
    opacity:        1;
    pointer-events: all;
}

.scanner-modal {
    background:    #111;
    border-radius: var(--radius-xl);
    width:         100%;
    max-width:     440px;
    display:       flex;
    flex-direction: column;
    overflow:      hidden;
    box-shadow:    0 24px 64px rgba(0,0,0,.7);
}

.scanner-modal__header {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    padding:         var(--space-4) var(--space-5);
    border-bottom:   1px solid rgba(255,255,255,.1);
}
.scanner-modal__title {
    color:       #fff;
    font-weight: 600;
    font-size:   var(--font-size-sm);
}
.scanner-modal__close {
    background: none;
    border:     none;
    cursor:     pointer;
    color:      rgba(255,255,255,.6);
    font-size:  1.2rem;
    line-height: 1;
    padding:    var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    transition: color .15s;
}
.scanner-modal__close:hover { color: #fff; }

.scanner-modal__body {
    padding: var(--space-4);
}

/* Container html5-qrcode renders into */
#tt-scanner-reader {
    width:         100%;
    min-height:    220px;
    border-radius: var(--radius-lg);
    overflow:      hidden;
    background:    #000;
}
#tt-scanner-reader video {
    width:      100% !important;
    max-height: 55vh;
    display:    block;
    object-fit: cover;
}

.scanner-hint {
    color:      rgba(255,255,255,.5);
    text-align: center;
    font-size:  var(--font-size-xs);
    margin-top: var(--space-3);
}
.scanner-error {
    color:       #ff7979;
    text-align:  center;
    font-size:   var(--font-size-sm);
    margin-top:  var(--space-3);
    white-space: pre-wrap;
    line-height: 1.5;
}

.scanner-modal__footer {
    padding:         var(--space-3) var(--space-5) var(--space-5);
    display:         flex;
    justify-content: center;
}
.scanner-cancel-btn {
    color:        rgba(255,255,255,.5) !important;
    border-color: rgba(255,255,255,.2) !important;
    font-size:    var(--font-size-sm);
}
.scanner-cancel-btn:hover {
    color:        rgba(255,255,255,.8) !important;
    border-color: rgba(255,255,255,.4) !important;
}

/* "Starting camera…" status line above the video */
.scanner-status {
    color:       rgba(255,255,255,.55);
    font-size:   var(--font-size-xs);
    text-align:  center;
    padding:     var(--space-2) 0 var(--space-3);
    font-style:  italic;
}

/* "or enter manually" divider */
.scanner-divider {
    display:         flex;
    align-items:     center;
    gap:             var(--space-3);
    padding:         var(--space-2) var(--space-5);
    color:           rgba(255,255,255,.3);
    font-size:       var(--font-size-xs);
    text-transform:  uppercase;
    letter-spacing:  .06em;
}
.scanner-divider::before,
.scanner-divider::after {
    content:    '';
    flex:       1;
    height:     1px;
    background: rgba(255,255,255,.15);
}

/* Manual entry row */
.scanner-manual {
    display:    flex;
    gap:        var(--space-2);
    padding:    0 var(--space-4) var(--space-3);
}
.scanner-manual-input {
    flex:            1;
    background:      rgba(255,255,255,.08) !important;
    border-color:    rgba(255,255,255,.2)  !important;
    color:           #fff !important;
    font-family:     monospace;
    font-size:       var(--font-size-sm);
    text-transform:  uppercase;
    letter-spacing:  .04em;
}
.scanner-manual-input::placeholder { color: rgba(255,255,255,.3) !important; }
.scanner-manual-input:focus {
    border-color: var(--color-accent) !important;
    outline:      none;
    box-shadow:   0 0 0 2px rgba(224,112,16,.35);
}

/* 📷 icon button in the search bar toolbar */
.btn-scan-icon {
    background:    none;
    border:        1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor:        pointer;
    font-size:     1.25rem;
    line-height:   1;
    padding:       5px 9px;
    color:         var(--color-text-secondary);
    transition:    border-color .15s, background .15s;
    flex-shrink:   0;
}
.btn-scan-icon:hover {
    border-color: var(--color-primary);
    background:   var(--color-bg-subtle);
}

/* Small "📷 Scan" link below a form input */
.btn-scan-field {
    display:       inline-flex;
    align-items:   center;
    gap:           4px;
    background:    none;
    border:        1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor:        pointer;
    font-size:     var(--font-size-xs);
    color:         var(--color-text-muted);
    padding:       4px 10px;
    margin-top:    var(--space-2);
    transition:    border-color .15s, color .15s;
}
.btn-scan-field:hover {
    border-color: var(--color-primary);
    color:        var(--color-primary);
}