:root {
    --m3-primary: #FF9800;
    --m3-primary-container: #FFE0B2;
    --m3-on-primary: #FFFFFF;
    --m3-on-primary-container: #E65100;
    --m3-surface: #FFFFFF;
    --m3-surface-variant: #F5F5F5;
    --m3-on-surface: #1D1B16;
    --m3-on-surface-variant: #5C5850;
    --m3-outline: #E0DDD5;
    --m3-outline-variant: #ECE9E1;
    --m3-error: #BA1A1A;
    --m3-radius-sm: 8px;
    --m3-radius-md: 16px;
    --m3-radius-lg: 28px;
    --m3-radius-pill: 999px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background: var(--m3-surface);
    color: var(--m3-on-surface);
    -webkit-font-smoothing: antialiased;
}

.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-size: 20px;
    line-height: 1;
    vertical-align: middle;
    user-select: none;
}

/* Top app bar */
.m3-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 64px;
    border-bottom: 1px solid var(--m3-outline-variant);
}

.m3-topbar__brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.m3-topbar__logo {
    font-weight: 700;
    font-size: 20px;
    color: var(--m3-on-surface);
}

.m3-topbar__badge {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--m3-on-primary-container);
    background: var(--m3-primary-container);
    padding: 2px 8px;
    border-radius: var(--m3-radius-pill);
}

.m3-topbar__nav {
    display: flex;
    gap: 4px;
}

.m3-nav-link {
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    color: var(--m3-on-surface-variant);
    padding: 8px 16px;
    border-radius: var(--m3-radius-pill);
    transition: background-color .15s ease, color .15s ease;
}

.m3-nav-link:hover {
    background: var(--m3-surface-variant);
    color: var(--m3-on-surface);
}

.m3-nav-link.is-active {
    background: var(--m3-primary-container);
    color: var(--m3-on-primary-container);
}

/* Content */
.m3-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

.m3-page-title {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 4px;
}

.m3-page-subtitle {
    font-size: 13px;
    color: var(--m3-on-surface-variant);
    margin: 0 0 24px;
}

/* Card */
.m3-card {
    background: var(--m3-surface);
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--m3-radius-lg);
    overflow: hidden;
}

/* Table */
.m3-table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.m3-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.u-hidden {
    display: none;
}

.m3-table thead th {
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--m3-on-surface-variant);
    padding: 14px 20px;
    padding-left: 28px;
    border-bottom: 1px solid var(--m3-outline-variant);
    background: var(--m3-surface-variant);
}

.m3-table tbody tr {
    transition: background-color .12s ease;
}

.m3-table tbody tr:hover {
    background: #FFF8EE;
}

.m3-table tbody tr:not(:last-child) td {
    border-bottom: 1px solid var(--m3-outline-variant);
}

.m3-table td {
    padding: 10px 20px;
    font-size: 14px;
    vertical-align: middle;
}

.m3-table tr.is-new-row td {
    background: var(--m3-surface-variant);
}

.m3-drag-cell {
    padding-left: 8px !important;
    padding-right: 0 !important;
    width: 26px;
}

.col-drag { width: 26px; }
.col-categoria { width: 112px; }
.col-ordem { width: 78px; }
.col-action { width: 48px; }

.drag-handle {
    cursor: grab;
    color: var(--m3-outline);
    transition: color .15s ease;
}

.drag-handle:hover {
    color: var(--m3-on-surface-variant);
}

.m3-table tbody tr.is-dragging {
    opacity: .4;
}

.m3-table tbody tr[data-id] {
    cursor: default;
}

.m3-ordem-display {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 4px 8px;
    color: var(--m3-on-surface-variant);
}

/* Inline editable field */
.m3-field {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    min-height: 32px;
    padding: 4px 8px;
    border-radius: var(--m3-radius-sm);
    cursor: pointer;
    border: 1px solid transparent;
}

.m3-field:hover {
    background: var(--m3-primary-container);
    color: var(--m3-on-primary-container);
}

.m3-field__input {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    color: var(--m3-on-surface);
    border: none;
    border-bottom: 2px solid var(--m3-primary);
    background: transparent;
    padding: 4px 2px;
    min-height: 32px;
    outline: none;
    width: 100%;
}

.m3-field__input:focus {
    background: #FFF8EE;
}

select.m3-field__input {
    border: 1px solid var(--m3-outline);
    border-radius: var(--m3-radius-sm);
    padding: 6px 8px;
}

/* Buttons */
.m3-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: var(--m3-radius-pill);
    padding: 10px 20px;
    cursor: pointer;
    transition: background-color .15s ease, box-shadow .15s ease;
}

.m3-btn--filled {
    background: var(--m3-primary);
    color: var(--m3-on-primary);
}

.m3-btn--filled:hover {
    background: #FB8C00;
    box-shadow: 0 1px 4px rgba(0,0,0,.2);
}

.m3-btn--filled:disabled {
    background: var(--m3-outline);
    color: var(--m3-on-surface-variant);
    cursor: not-allowed;
}

.m3-btn--icon-only {
    padding: 0;
    width: 36px;
    height: 36px;
    justify-content: center;
    border-radius: 50%;
}

.m3-btn--icon-only .material-symbols-outlined {
    font-size: 20px;
}

.m3-action-cell {
    padding: 4px 6px !important;
    text-align: right;
}

.m3-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    border-radius: var(--m3-radius-pill);
    color: var(--m3-on-surface-variant);
    cursor: pointer;
    transition: background-color .15s ease, color .15s ease;
}

.m3-icon-btn:hover {
    background: #FBE9E7;
    color: var(--m3-error);
}

/* New-row form */
.m3-new-row-form {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.m3-input {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    border: 1px solid var(--m3-outline);
    border-radius: var(--m3-radius-sm);
    padding: 8px 12px;
    background: var(--m3-surface);
    color: var(--m3-on-surface);
    outline: none;
    max-width: 100%;
    box-sizing: border-box;
}

.m3-table td > .m3-input {
    width: 100%;
}

.m3-input:focus {
    border-color: var(--m3-primary);
    box-shadow: 0 0 0 3px var(--m3-primary-container);
}

.m3-input--grow {
    flex: 1;
    min-width: 160px;
}

.m3-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translate(-50%, 16px);
    background: #322F27;
    color: #fff;
    font-size: 13px;
    padding: 12px 20px;
    border-radius: var(--m3-radius-sm);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
}

.m3-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.m3-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--m3-on-surface-variant);
    font-size: 13px;
}

/* Tighter spacing on narrow screens so tables fit without horizontal scroll */
@media (max-width: 600px) {
    .m3-content {
        padding: 20px 12px 48px;
    }

    .m3-table thead th,
    .m3-table td {
        padding: 8px 6px;
    }

    .m3-table thead th {
        font-size: 9px;
    }

    .m3-table td {
        font-size: 12px;
    }

    .col-drag { width: 20px; }
    .col-categoria { width: 92px; }
    .col-ordem { width: 46px; }
    .col-action { width: 40px; }

    .m3-drag-cell {
        width: 20px;
        padding-left: 4px !important;
    }

    .m3-drag-cell .drag-handle {
        font-size: 16px;
    }

    .m3-field,
    .m3-ordem-display {
        display: flex;
        max-width: none;
        width: 100%;
        min-width: 0;
        padding: 4px;
        margin-left: -4px;
        box-sizing: border-box;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .m3-table td > .m3-input {
        margin-left: -6px;
        padding: 6px 8px;
        font-size: 12px;
    }

    .m3-icon-btn,
    .m3-btn--icon-only {
        width: 28px;
        height: 28px;
    }

    .m3-icon-btn .material-symbols-outlined,
    .m3-btn--icon-only .material-symbols-outlined {
        font-size: 18px;
    }

    .m3-btn--filled {
        padding: 8px 12px;
        font-size: 12px;
    }

    .m3-action-cell {
        padding: 4px !important;
    }
}