:root,
.dp-theme-dark {
    --dp-red: #E10600;
    --dp-red-dark: #B80500;
    --dp-red-glow: rgba(225, 6, 0, 0.45);
    --dp-bg: #070708;
    --dp-surface: #141418;
    --dp-surface-2: #1C1C22;
    --dp-border: #2E2E38;
    --dp-text: #F4F4F5;
    --dp-muted: #9A9AA3;
}

.dp-theme-light {
    --dp-red: #E10600;
    --dp-red-dark: #B80500;
    --dp-red-glow: rgba(225, 6, 0, 0.2);
    --dp-bg: #F4F4F6;
    --dp-surface: #FFFFFF;
    --dp-surface-2: #F0F0F4;
    --dp-border: #E0E0E8;
    --dp-text: #1A1A22;
    --dp-muted: #5C5C66;
}

* {
    box-sizing: border-box;
}

html, body.dp-body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: var(--dp-bg) !important;
    color: var(--dp-text) !important;
    font-family: Inter, "Segoe UI", sans-serif !important;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

/* Lớp nền grid + glow — luôn nằm dưới cùng, xuyên qua panel kính mờ */
body.dp-body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(225, 6, 0, 0.18), transparent 60%),
        radial-gradient(ellipse 40% 30% at 100% 100%, rgba(225, 6, 0, 0.08), transparent 50%),
        linear-gradient(var(--dp-bg), var(--dp-bg));
}

body.dp-body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}

body.dp-theme-light::before {
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(225, 6, 0, 0.14), transparent 55%),
        radial-gradient(ellipse 50% 40% at 100% 100%, rgba(225, 6, 0, 0.06), transparent 50%),
        linear-gradient(var(--dp-bg), var(--dp-bg));
}

body.dp-theme-light::after {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.06) 1px, transparent 1px);
    mask-image: linear-gradient(to bottom, black 0%, transparent 90%);
}

/* Legacy — giữ nếu còn reference */
.dp-bg-grid {
    display: none;
}

.dp-layout {
    position: relative;
    z-index: 1;
    background: transparent !important;
}

.dp-theme-light .mud-layout,
.dp-theme-light .mud-main-content {
    background: transparent !important;
}

/* App bar / drawer — kính mờ, không che grid */
.dp-appbar {
    background: rgba(12, 12, 14, 0.72) !important;
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom: 1px solid var(--dp-border) !important;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.dp-theme-light.dp-appbar,
.dp-theme-light .mud-appbar.dp-appbar {
    background: rgba(255, 255, 255, 0.68) !important;
    backdrop-filter: blur(18px) saturate(1.5);
    -webkit-backdrop-filter: blur(18px) saturate(1.5);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
    color: var(--dp-text) !important;
}

.dp-drawer {
    background: rgba(14, 14, 18, 0.78) !important;
    backdrop-filter: blur(16px) saturate(1.3);
    -webkit-backdrop-filter: blur(16px) saturate(1.3);
    border-right: 1px solid var(--dp-border) !important;
}

.dp-theme-light.dp-drawer,
.dp-theme-light .mud-drawer.dp-drawer {
    background: rgba(250, 250, 252, 0.72) !important;
    backdrop-filter: blur(18px) saturate(1.4);
    -webkit-backdrop-filter: blur(18px) saturate(1.4);
}

.dp-theme-light .mud-appbar .mud-icon-button,
.dp-theme-light .mud-appbar .brand-title,
.dp-theme-light .mud-appbar .brand-sub {
    color: var(--dp-text) !important;
}

.dp-theme-light .mud-drawer .mud-drawer-content,
.dp-theme-light .mud-drawer .mud-drawer-header {
    background: transparent !important;
}

.dp-theme-light .mud-appbar .mud-toolbar {
    background: transparent !important;
}

.dp-drawer-header {
    padding: 16px 12px !important;
    border-bottom: 1px solid var(--dp-border);
    margin-bottom: 8px;
}

.dp-main {
    background: transparent !important;
    min-height: calc(100vh - 64px);
}

.dp-brand-block {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-title {
    font-family: Inter, "Segoe UI", sans-serif !important;
    font-weight: 800 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
    color: var(--dp-text) !important;
}

/* Logo / mã ASCII — Rajdhani không hỗ trợ đủ dấu tiếng Việt */
.brand-title-latin {
    font-family: Rajdhani, Inter, "Segoe UI", sans-serif !important;
    font-weight: 700 !important;
    letter-spacing: 0.12em !important;
    text-transform: uppercase !important;
    color: var(--dp-text) !important;
}

.brand-sub {
    font-size: 0.65rem !important;
    letter-spacing: 0.28em !important;
    color: var(--dp-red) !important;
    text-transform: uppercase !important;
    font-weight: 600;
}

.dp-chip-glow {
    box-shadow: 0 0 16px var(--dp-red-glow);
}

/* Nav */
.dp-nav .mud-nav-link {
    border-radius: 8px;
    margin-bottom: 4px;
    transition: background 0.2s, color 0.2s;
}

.dp-nav .mud-nav-link.active {
    background: rgba(225, 6, 0, 0.15) !important;
    border-left: 3px solid var(--dp-red);
}

.dp-nav .mud-nav-link:hover {
    background: rgba(255, 255, 255, 0.05) !important;
}

.dp-theme-light .dp-nav .mud-nav-link:hover {
    background: rgba(0, 0, 0, 0.04) !important;
}

.dp-nav-group,
.dp-nav-subgroup {
    margin-bottom: 4px;
}

.dp-nav-group > .mud-nav-link,
.dp-nav-subgroup > .mud-nav-link {
    padding-left: 8px;
}

.dp-nav-subgroup {
    margin-left: 8px;
}

.dp-nav .mud-nav-group .mud-nav-group-title,
.dp-nav .mud-nav-group .mud-nav-link {
    border-radius: 8px;
}

/* Hero */
.dp-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dp-surface-2) 0%, var(--dp-surface) 55%, var(--dp-bg) 100%) !important;
    border: 1px solid var(--dp-border) !important;
    border-left: 4px solid var(--dp-red) !important;
    border-radius: 12px !important;
    color: var(--dp-text) !important;
}

.dp-theme-light .dp-hero {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.72) 55%, rgba(244, 244, 246, 0.65) 100%) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.dp-hero::after {
    content: "";
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--dp-red-glow), transparent 70%);
    pointer-events: none;
}

.dp-hero-title {
    font-family: Inter, "Segoe UI", sans-serif !important;
    font-weight: 800 !important;
    font-size: 2.2rem !important;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--dp-text) !important;
}

/* Stat cards */
.dp-stat-card {
    background: color-mix(in srgb, var(--dp-surface-2) 85%, transparent) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--dp-border) !important;
    border-radius: 10px !important;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.dp-theme-light .dp-stat-card {
    background: rgba(255, 255, 255, 0.75) !important;
}

.dp-stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(225, 6, 0, 0.5) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.dp-theme-light .dp-stat-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.dp-stat-value {
    font-family: Rajdhani, sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dp-red);
    line-height: 1;
}

.dp-stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dp-muted);
}

/* Kanban */
.kanban-board {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding: 4px 4px 16px;
    min-height: calc(100vh - 180px);
    scrollbar-width: thin;
    scrollbar-color: var(--dp-red) var(--dp-surface);
}

.kanban-column {
    min-width: 290px;
    flex: 0 0 290px;
    background: color-mix(in srgb, var(--dp-surface) 92%, transparent);
    border: 1px solid var(--dp-border);
    border-radius: 12px;
    padding: 12px;
    backdrop-filter: blur(8px);
}

.kanban-column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: Inter, "Segoe UI", sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--dp-text);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--dp-red);
}

.kanban-card {
    background: var(--dp-surface-2) !important;
    border: 1px solid var(--dp-border);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 10px;
    cursor: grab;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.dp-theme-light .kanban-card {
    background: var(--dp-surface) !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.kanban-card:hover {
    border-color: var(--dp-red);
    box-shadow: 0 4px 20px var(--dp-red-glow);
    transform: translateY(-1px);
}

.kanban-card.dragging {
    opacity: 0.45;
    transform: rotate(2deg);
}

.kanban-column.drag-over {
    border-color: var(--dp-red);
    box-shadow: inset 0 0 30px rgba(225, 6, 0, 0.12);
}

.kanban-plate {
    font-family: Rajdhani, sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--dp-red);
    letter-spacing: 0.04em;
}

.kanban-progress {
    height: 5px;
    border-radius: 3px;
    background: var(--dp-border);
    margin-top: 10px;
    overflow: hidden;
}

.kanban-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--dp-red-dark), var(--dp-red));
    border-radius: 3px;
    box-shadow: 0 0 8px var(--dp-red-glow);
}

/* Mud overrides */
.mud-main-content {
    background: transparent !important;
}

.mud-paper {
    background-color: var(--dp-surface) !important;
    color: var(--dp-text) !important;
}

.dp-theme-light .mud-table .mud-table-row .mud-table-cell {
    background-color: var(--dp-surface) !important;
}

.dp-theme-light .mud-table .mud-table-head .mud-table-cell {
    background-color: var(--dp-surface-2) !important;
}

.mud-table .mud-table-cell {
    color: var(--dp-text) !important;
}

.mud-table-head .mud-table-cell {
    color: var(--dp-muted) !important;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
}

#page-title, .mud-typography-h4, .mud-typography-h3 {
    font-family: Inter, "Segoe UI", sans-serif !important;
}

.admin-panel {
    background: color-mix(in srgb, var(--dp-surface) 82%, transparent) !important;
    backdrop-filter: blur(10px) saturate(1.2);
    -webkit-backdrop-filter: blur(10px) saturate(1.2);
    border: 1px solid var(--dp-border) !important;
    border-radius: 12px !important;
}

.dp-theme-light .admin-panel {
    background: rgba(255, 255, 255, 0.78) !important;
    backdrop-filter: blur(14px) saturate(1.3);
    -webkit-backdrop-filter: blur(14px) saturate(1.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.admin-search {
    max-width: 360px;
    flex: 1;
}

.login-wrap {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: radial-gradient(ellipse at 50% 0%, rgba(225, 6, 0, 0.12) 0%, transparent 55%), var(--dp-bg);
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem 2.25rem;
    background: var(--dp-surface);
    background: color-mix(in srgb, var(--dp-surface) 92%, transparent);
    backdrop-filter: blur(14px) saturate(1.2);
    -webkit-backdrop-filter: blur(14px) saturate(1.2);
    border: 1px solid var(--dp-border);
    border-radius: 16px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
}

.login-title {
    margin: 0 0 6px;
    font-size: 1.5rem;
    color: var(--dp-text);
}

.login-subtitle {
    margin: 0 0 1.75rem;
    color: var(--dp-muted);
    font-size: 0.8rem;
}

.dp-theme-light .login-wrap {
    background: radial-gradient(ellipse at 50% 0%, rgba(225, 6, 0, 0.1) 0%, transparent 55%), var(--dp-bg);
}

.dp-theme-light .login-card {
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.login-label {
    display: block;
    font-size: 0.85rem;
    color: var(--dp-muted);
    margin: 0;
}

.login-input {
    width: 100%;
    padding: 13px 14px;
    border-radius: 8px;
    border: 1px solid var(--dp-border);
    background: var(--dp-surface-2);
    color: var(--dp-text);
    font-size: 1rem;
}

.login-input:focus {
    outline: none;
    border-color: var(--dp-red);
}

.login-check {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dp-muted);
    font-size: 0.9rem;
    cursor: pointer;
    margin-top: 0.25rem;
}

.login-error {
    padding: 10px 12px;
    border-radius: 8px;
    background: rgba(225, 6, 0, 0.15);
    border: 1px solid rgba(225, 6, 0, 0.4);
    color: #ff6b6b;
    font-size: 0.9rem;
    margin: 0;
}

.login-submit {
    width: 100%;
    padding: 14px;
    margin-top: 0.25rem;
    border: none;
    border-radius: 8px;
    background: var(--dp-red);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.login-submit:hover {
    background: var(--dp-red-dark);
}

/* Nhập kho — lưới nhập liệu bàn phím */
.nhap-kho-grid-wrap {
    overflow-x: auto;
    border: 1px solid var(--dp-border);
    border-radius: 10px;
    background: var(--dp-surface-2);
}

.nhap-kho-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.nhap-kho-grid th {
    padding: 10px 8px;
    text-align: left;
    font-weight: 600;
    color: var(--dp-muted);
    border-bottom: 1px solid var(--dp-border);
    background: color-mix(in srgb, var(--dp-surface) 80%, transparent);
}

.nhap-kho-grid td {
    padding: 4px 6px;
    vertical-align: middle;
    border-bottom: 1px solid color-mix(in srgb, var(--dp-border) 60%, transparent);
}

.nhap-kho-grid tr:last-child td {
    border-bottom: none;
}

.nhap-kho-readonly {
    color: var(--dp-muted);
    font-size: 0.85rem;
}

.nhap-kho-grid .text-right {
    text-align: right;
}

.nhap-kho-grid .text-muted {
    color: var(--dp-muted);
    text-align: center;
}

.nhap-kho-grid .mud-input-control {
    margin-top: 0;
    margin-bottom: 0;
}