@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@300;400;500;600;700;800;900&family=Poppins:wght@300;400;500;600;700&display=swap');
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root { --bg: #0B0C10; --surface: #121212; --surface-alt: #1A1A1A; --border: #363636; --text: #FCFCFC; --text-secondary: #D0D0D0; --accent: #66FCF1; --accent-hover: #4ABDB4; --danger: #CF2E2E; --danger-hover: #ff3b3b; --success: #00d084; --warning: #fcb900; --slab: #66FCF1; --remnant: #7B68EE; --available: #00d084; --sold: #CF2E2E; --reserved: #fcb900; --radius: 0px; --shadow: 0 2px 10px rgba(0,0,0,0.4); --shadow-lg: 0 20px 40px rgba(0,0,0,0.6); --transition: cubic-bezier(0.165, 0.84, 0.44, 1); --safe-top: env(safe-area-inset-top, 0px); --safe-bottom: env(safe-area-inset-bottom, 0px); --safe-left: env(safe-area-inset-left, 0px); --safe-right: env(safe-area-inset-right, 0px); }
html { -webkit-text-size-adjust: 100%; -webkit-font-smoothing: antialiased; }
body { font-family: 'Heebo', -apple-system, sans-serif; font-size: 15px; line-height: 1.7; background: var(--bg); color: var(--text-secondary); min-height: 100dvh; padding-top: var(--safe-top); padding-bottom: var(--safe-bottom); }
body h1,body h2,body h3 { color: var(--text); font-weight: 700; line-height: 1.2; margin: 0; }
.container { max-width: 1400px; margin: 0 auto; padding: 24px; padding-left: calc(24px + var(--safe-left)); padding-right: calc(24px + var(--safe-right)); }
header { margin-bottom: 24px; display: flex; align-items: center; gap: 16px; }
.logo { height: 44px; width: auto; flex-shrink: 0; }
.header-text { flex: 1; }
header h1 { font-size: 28px; font-weight: 700; color: var(--text); letter-spacing: 0; }
.subtitle { color: var(--text-secondary); font-size: 14px; margin-top: 2px; font-weight: 300; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; transition: border-color 0.2s var(--transition); }
.stat-card:hover { border-color: var(--accent); }
.stat-card .stat-number { font-size: 32px; font-weight: 700; line-height: 1; color: var(--text); font-family: 'Poppins', sans-serif; }
.stat-card.slab .stat-number { color: var(--slab); }
.stat-card.remnant .stat-number { color: var(--remnant); }
.stat-card.sold .stat-number { color: var(--sold); }
.stat-card.reserved .stat-number { color: var(--reserved); }
.stat-card .stat-label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-top: 6px; font-weight: 500; }
.stat-card .stat-detail { font-size: 12px; color: var(--text-secondary); margin-top: 2px; font-weight: 300; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar-left { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.toolbar-right { display: flex; align-items: center; gap: 12px; }
.tabs { display: flex; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.tab { padding: 8px 16px; border: none; background: transparent; cursor: pointer; font-size: 13px; font-weight: 500; color: var(--text-secondary); transition: all 0.2s var(--transition); min-height: 44px; min-width: 44px; text-transform: uppercase; letter-spacing: 0.5px; }
.tab:hover { background: var(--surface-alt); color: var(--text); }
.tab.active { background: var(--accent); color: var(--bg); }
.status-filters select { padding: 8px 32px 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; background: var(--surface); color: var(--text); cursor: pointer; min-height: 44px; font-family: 'Heebo', sans-serif; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23D0D0D0'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; }
.status-filters select:focus { outline: none; border-color: var(--accent); }
.search-box { position: relative; }
.search-box input { padding: 8px 12px 8px 36px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; width: 260px; background: var(--surface); color: var(--text); transition: border-color 0.2s var(--transition); min-height: 44px; font-family: 'Heebo', sans-serif; }
.search-box input::placeholder { color: var(--text-secondary); opacity: 0.6; }
.search-box input:focus { outline: none; border-color: var(--accent); }
.search-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-secondary); pointer-events: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 16px; border: 2px solid transparent; border-radius: var(--radius); font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.2s var(--transition); text-decoration: none; line-height: 1; min-height: 44px; white-space: nowrap; text-transform: uppercase; letter-spacing: 0.1em; font-family: 'Heebo', sans-serif; }
.btn-primary { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent); color: var(--bg); }
.btn-secondary { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--text-secondary); color: var(--text); }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: white; }
.btn-sm { padding: 5px 10px; font-size: 11px; min-height: 36px; }
.btn-icon { padding: 5px 8px; background: transparent; border: none; cursor: pointer; color: var(--text-secondary); border-radius: var(--radius); transition: all 0.2s var(--transition); min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
.btn-icon:hover { background: var(--surface-alt); color: var(--text); }
.btn-icon.delete:hover { background: rgba(207,46,46,0.15); color: var(--danger); }
.btn-icon.edit:hover { background: rgba(102,252,241,0.15); color: var(--accent); }
.table-wrapper { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; -webkit-overflow-scrolling: touch; }
.inventory-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.inventory-table th { text-align: left; padding: 14px 16px; font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); background: var(--surface-alt); border-bottom: 1px solid var(--border); white-space: nowrap; font-family: 'Heebo', sans-serif; }
.inventory-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; color: var(--text-secondary); }
.inventory-table tr:last-child td { border-bottom: none; }
.inventory-table tr:hover td { background: rgba(102,252,241,0.03); }
.material-cell { color: var(--text); font-weight: 500; }
.dimension-display { font-size: 12px; color: var(--text-secondary); font-family: 'Poppins', sans-serif; }
.category-badge { display: inline-block; padding: 2px 8px; border-radius: var(--radius); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; border: 1px solid; font-family: 'Heebo', sans-serif; }
.category-badge.slab { background: rgba(102,252,241,0.1); color: var(--slab); border-color: rgba(102,252,241,0.3); }
.category-badge.remnant { background: rgba(123,104,238,0.1); color: var(--remnant); border-color: rgba(123,104,238,0.3); }
.status-badge { display: inline-block; padding: 2px 8px; border-radius: var(--radius); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; border: 1px solid; font-family: 'Heebo', sans-serif; }
.status-badge.available { background: rgba(0,208,132,0.12); color: var(--available); border-color: rgba(0,208,132,0.3); }
.status-badge.sold { background: rgba(207,46,46,0.12); color: var(--sold); border-color: rgba(207,46,46,0.3); }
.status-badge.reserved { background: rgba(252,185,0,0.12); color: var(--reserved); border-color: rgba(252,185,0,0.3); }
.id-badge { font-family: 'Poppins', monospace; font-size: 12px; color: var(--text-secondary); font-weight: 400; }
.card-list { display: none; }
.card-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 8px; transition: border-color 0.2s var(--transition); }
.card-item:hover { border-color: var(--accent); }
.card-item-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.card-item-material { font-size: 15px; font-weight: 600; color: var(--text); flex: 1; margin-right: 8px; word-break: break-word; }
.card-item-actions { display: flex; gap: 4px; flex-shrink: 0; }
.card-item-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; font-size: 12px; color: var(--text-secondary); }
.card-item-meta .meta-label { font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; font-size: 10px; }
.card-item-meta .meta-value { color: var(--text); word-break: break-word; }
.card-item-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-secondary); }
.empty-state svg { margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 14px; }
.modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.6); z-index: 1000; justify-content: center; align-items: center; padding: 20px; backdrop-filter: blur(4px); }
.modal-overlay.active { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); }
.modal-sm { max-width: 400px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface); z-index: 1; }
.modal-header h2 { font-size: 18px; font-weight: 600; }
.modal-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-secondary); padding: 0; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius); transition: all 0.2s var(--transition); }
.modal-close:hover { background: var(--surface-alt); color: var(--text); }
.modal form { padding: 24px; }
.form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.form-group { margin-bottom: 16px; }
.form-group-inline { margin-bottom: 16px; }
.form-group-inline label { display: block; font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; color: var(--text-secondary); }
.form-group-inline input { max-width: 100px; }
.form-group label { display: block; font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; color: var(--text-secondary); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; font-family: inherit; background: var(--surface); color: var(--text); transition: border-color 0.2s var(--transition); min-height: 44px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group textarea { min-height: 80px; resize: vertical; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.modal-sm .form-actions { justify-content: center; }
.modal-sm p { padding: 20px 24px; margin: 0; font-size: 14px; color: var(--text-secondary); }
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 12px 16px; border-radius: var(--radius); font-size: 13px; font-weight: 500; box-shadow: var(--shadow-lg); animation: slideIn 0.2s ease-out; max-width: 360px; }
.toast.success { background: #16a34a; color: white; }
.toast.error { background: #dc2626; color: white; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@media (max-width: 1024px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
    .container { padding: 12px; padding-left: calc(12px + var(--safe-left)); padding-right: calc(12px + var(--safe-right)); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-card { padding: 14px; }
    .stat-card .stat-number { font-size: 24px; }
    .header-text { display: none; }
    .toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
    .toolbar-left, .toolbar-right { justify-content: center; }
    .tabs { width: 100%; }
    .tab { flex: 1; text-align: center; padding: 8px 8px; font-size: 12px; }
    .search-box input { width: 100%; }
    .btn-primary { width: 100%; justify-content: center; }
    .table-wrapper { display: none; }
    .card-list { display: block; }
    .status-filters select { width: 100%; }
    .modal-overlay { padding: 12px; }
    .modal { max-height: calc(100vh - 24px); }
    .form-row { grid-template-columns: 1fr; }
    .form-row-2 { grid-template-columns: 1fr 1fr; }
    .modal form { padding: 16px; }
    .modal-header { padding: 16px; }
}
@media (max-width: 380px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
    .stat-card { padding: 10px; }
    .stat-card .stat-number { font-size: 20px; }
    .stat-card .stat-label { font-size: 10px; letter-spacing: 0; }
}
@media (orientation: landscape) and (max-height: 500px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
    .stat-card { padding: 10px; }
    .stat-card .stat-number { font-size: 18px; }
    .stat-card .stat-label { font-size: 9px; }
    .header-text { display: none; }
    .logo { height: 32px; }
    .toolbar { margin-bottom: 8px; }
    .modal-overlay { padding: 8px; }
    .modal { max-height: calc(100vh - 16px); }
}
/* Past items */
.past-badge { display: inline-block; padding: 2px 8px; border-radius: var(--radius); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; background: rgba(252,185,0,0.1); color: var(--warning); border: 1px solid rgba(252,185,0,0.3); font-family: 'Heebo', sans-serif; }

/* Mobile card view */
.card-list { display: none; }
.card-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 8px; transition: border-color 0.2s var(--transition); }
.card-item:hover { border-color: var(--accent); }
.card-item-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.card-item-material { font-size: 15px; font-weight: 600; color: var(--text); flex: 1; margin-right: 8px; word-break: break-word; }
.card-item-actions { display: flex; gap: 4px; flex-shrink: 0; }
.card-item-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; font-size: 12px; color: var(--text-secondary); }
.card-item-meta .meta-label { font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; font-size: 10px; }
.card-item-meta .meta-value { color: var(--text); word-break: break-word; }
.card-item-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }

@media (display-mode: standalone) { body { padding-top: 0; } .container { padding-top: 12px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }