:root{
    --mb-bg:#0f172a;          /* slate-900 */
    --mb-panel:#111827;       /* gray-900 */
    --mb-card:#0b1220;        /* deep panel */
    --mb-border:#22304a;      /* soft border */
    --mb-text:#e5e7eb;        /* gray-200 */
    --mb-dim:#9ca3af;         /* gray-400 */
    --mb-accent:#22d3ee;      /* cyan-400 */
    --mb-accent-2:#a78bfa;    /* violet-400 */
    --mb-danger:#f97316;      /* orange-400 */
    --mb-ok:#10b981;          /* emerald-500 */
    --radius:16px;
    --radius-sm:12px;
}
*{box-sizing:border-box}
html,body{height:100%}
body.mb-body{
    margin:0;background:linear-gradient(180deg, #0a1020, #0b1220 30%, #0f172a);
    color:var(--mb-text);
    font-family: ui-sans-serif, -apple-system, Segoe UI, Roboto, "Noto Sans KR", Apple SD Gothic Neo, system-ui, sans-serif;
    line-height:1.5;
}

/* layout */
.mb-container{max-width:1080px;margin:0 auto;padding:24px}
.mb-header{position:sticky;top:0;background:rgba(10,16,32,.7);backdrop-filter:blur(10px);border-bottom:1px solid var(--mb-border);z-index:10}
.mb-brand{margin:0;font-size:20px;letter-spacing:.5px}
.mb-nav{display:flex;gap:16px}
.mb-link{color:var(--mb-dim);text-decoration:none}
.mb-link:hover{color:var(--mb-text)}
.mb-footer{border-top:1px solid var(--mb-border);opacity:.8;margin-top:48px}

/* cards & grid */
.mb-card{
    background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
    border:1px solid var(--mb-border); border-radius:var(--radius);
    padding:20px; box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.mb-card--compact{padding:16px}
.mb-card__title{margin:0 0 8px 0;font-size:18px}
.mb-card__title-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.mb-subtitle{margin:24px 0 8px;font-size:16px}

.mb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:16px 0}
.mb-grid--2col{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:1024px){.mb-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.mb-grid{grid-template-columns:1fr}}

.mb-row{display:flex;flex-wrap:wrap;align-items:end}
.mb-row--gap{gap:12px}
.mb-field{display:flex;flex-direction:column;gap:6px;min-width:180px}
.mb-field--end{margin-left:auto}
.mb-field--actions{margin-top:10px}
.mb-input{
    background:#0c1428;border:1px solid var(--mb-border);color:var(--mb-text);
    padding:10px 12px;border-radius:10px;outline:none;min-width:160px;width:100%;
}
.mb-input--date{
    color-scheme: dark;
}
.mb-input:focus{border-color:var(--mb-accent);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
.mb-right{text-align:right}
.mb-help{color:var(--mb-dim);margin:8px 2px 0}

.mb-btn{
    appearance:none;background:linear-gradient(90deg, var(--mb-accent), var(--mb-accent-2));
    color:#081121;border:none;padding:10px 14px;border-radius:12px;font-weight:700;cursor:pointer;
    box-shadow:0 6px 20px rgba(34,211,238,.24);
}
.mb-btn:hover{filter:brightness(1.05)}
.mb-btn--ghost{
    background:transparent;color:var(--mb-text);border:1px solid var(--mb-border)
}
.mb-btn--ghost:hover{border-color:var(--mb-accent);color:var(--mb-accent)}

/* stats */
.mb-stat{background:linear-gradient(180deg, rgba(167,139,250,.10), rgba(34,211,238,.05));
    border:1px solid var(--mb-border);border-radius:var(--radius);padding:16px}
.mb-stat--accent{background:linear-gradient(180deg, rgba(16,185,129,.12), rgba(34,211,238,.05))}
.mb-stat__label{color:var(--mb-dim);font-size:13px}
.mb-stat__value{font-size:28px;font-weight:800;margin-top:4px}
.mb-stat__hint{color:var(--mb-dim);font-size:12px;margin-top:4px}
.mb-stat__split{display:flex;justify-content:space-between;margin-top:10px;color:var(--mb-dim)}
.mb-chip{display:inline-block;border:1px solid var(--mb-border);padding:2px 8px;border-radius:999px;font-size:12px;color:var(--mb-dim)}

/* progress */
.mb-progress{height:8px;background:#0c1428;border:1px solid var(--mb-border);border-radius:999px;margin-top:10px;overflow:hidden}
.mb-progress__bar{height:100%;background:linear-gradient(90deg, var(--mb-accent), var(--mb-accent-2))}

/* table-like list */
.mb-table{margin-top:8px}
.mb-table__head,.mb-table__row{
    display:grid;grid-template-columns:1fr 140px 120px;gap:8px;align-items:center;
}
.mb-table__head{color:var(--mb-dim);font-size:12px;margin-bottom:6px}
.mb-table__row{padding:12px;border:1px solid var(--mb-border);border-radius:12px;background:#0b1324}
.mb-table__row + .mb-table__row{margin-top:8px}
.mb-table--two-col .mb-table__row{grid-template-columns:minmax(0,1fr) 100px}
.mb-table__empty{color:var(--mb-dim);padding:12px;border:1px dashed var(--mb-border);border-radius:12px;margin-top:8px;text-align:center}
.right{text-align:right}.center{text-align:center}

.mb-section-tabs{
    display:flex;
    gap:10px;
    margin:4px 0 16px;
}
.mb-section-tab{
    appearance:none;
    border:1px solid var(--mb-border);
    background:rgba(11,19,36,.88);
    color:var(--mb-dim);
    border-radius:999px;
    padding:10px 14px;
    font-weight:700;
    cursor:pointer;
    white-space:nowrap;
}
.mb-section-tab.is-active{
    border-color:var(--mb-accent);
    color:var(--mb-text);
    background:rgba(34,211,238,.12);
}
.mb-section{display:none}
.mb-section.is-active{display:block}
.mb-manage-grid{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:16px;
    margin-top:16px;
}
.mb-disclosure{
    border:1px solid var(--mb-border);
    border-radius:14px;
    background:#0b1324;
    padding:14px 16px;
}
.mb-disclosure__summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    cursor:pointer;
    list-style:none;
}
.mb-disclosure__summary::-webkit-details-marker{display:none}
.mb-disclosure__title{font-weight:700}
.mb-disclosure__meta{color:var(--mb-dim);font-size:13px}
.mb-disclosure[open] .mb-disclosure__summary{margin-bottom:6px}

.mb-spending-stack{
    display:flex;
    flex-direction:column;
    gap:14px;
    margin-top:14px;
}
.mb-spending-panel{
    border:1px solid rgba(34, 48, 74, 0.9);
    border-radius:14px;
    background:rgba(11, 19, 36, 0.72);
    padding:16px;
}
.mb-spending-panel--secondary{
    background:rgba(11, 19, 36, 0.5);
}
.mb-spending-panel__header{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:12px;
    margin-bottom:14px;
}
.mb-spending-panel__header .mb-subtitle{
    margin:0;
}
.mb-spending-panel__header .mb-help{
    margin:4px 0 0;
}
.mb-spending-grid{
    margin:0 0 12px;
}
.mb-spending-extra-row{
    align-items:end;
}
.mb-spending-reset{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:14px;
    padding-top:14px;
    border-top:1px solid rgba(34, 48, 74, 0.7);
}
.mb-spending-reset .mb-help{
    margin:0;
    flex:1;
}
.mb-withdraw-form{
    margin-top:18px;
}

.mb-table--schedule .mb-table__head,
.mb-table--schedule .mb-table__row{
    grid-template-columns:minmax(190px, 250px) minmax(0, 1fr) minmax(100px, 140px) minmax(180px, 220px);
}
.mb-table--gift .mb-table__head,
.mb-table--gift .mb-table__row{
    grid-template-columns:minmax(0, 1.2fr) 96px 120px 90px;
}
.mb-table__row--schedule{
    grid-template-areas:"day item amount actions";
    gap:14px;
    padding:16px;
}
.mb-table__cell{
    min-width:0;
}
.mb-table__cell--day{grid-area:day}
.mb-table__cell--item{grid-area:item}
.mb-table__cell--amount{grid-area:amount}
.mb-table__cell--actions{grid-area:actions}

.mb-inline-editor{
    display:flex;
    flex-direction:column;
    gap:8px;
}
.mb-inline-editor__label{
    color:var(--mb-dim);
    font-size:12px;
    line-height:1;
}
.mb-inline-editor__group{
    display:flex;
    gap:8px;
    align-items:center;
}
.mb-inline-editor__group .mb-input{
    min-width:0;
    width:88px;
}

.mb-schedule-item{
    display:flex;
    flex-direction:column;
    gap:6px;
}
.mb-schedule-item__name{
    font-size:16px;
    line-height:1.3;
}
.mb-schedule-item__meta{
    color:var(--mb-dim);
    font-size:13px;
}
.mb-schedule-amount{
    display:inline-block;
    font-weight:700;
    font-size:18px;
    line-height:1.2;
}

.mb-action-group{
    display:flex;
    flex-wrap:wrap;
    justify-content:flex-end;
    gap:8px;
}
.mb-action-group form{
    margin:0;
}

/* moneybook: todo */
.mb-todo-grid{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:24px;
    width:100%;
    margin-top:12px;
}
.mb-todo-card{
    border:1px solid var(--mb-border);
    border-radius:14px;
    background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
    box-shadow:0 10px 24px rgba(0,0,0,.2);
    padding:18px;
    display:flex;
    flex-direction:column;
    gap:12px;
    min-height:100%;
}
.mb-todo-panel__title{
    font-weight:700;
    color:var(--mb-text);
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:6px;
    letter-spacing:.2px;
}
.mb-todo-list{
    list-style:none;
    padding:0;
    margin:0;
    display:flex;
    flex-direction:column;
    gap:10px;
    margin-top:4px;
}
.mb-todo-item{
    display:flex;
    align-items:center;
    gap:8px;
    background:#0b1324;
    border:1px solid var(--mb-border);
    border-radius:10px;
    padding:12px;
}
.mb-todo-item__text{flex:1;word-break:break-word}
.mb-todo-actions{display:flex;gap:6px}
.mb-todo-actions .mb-btn{width:auto;padding-left:10px;padding-right:10px}
.todo-empty{
    color:var(--mb-dim);
    font-size:.9rem;
    padding:8px 2px;
}
.todo-add-form{
    display:flex;
    align-items:center;
    gap:10px;
    padding-top:12px;
    border-top:1px solid var(--mb-border);
    margin-top:8px;
}
.todo-add-form .mb-input{
    flex:1 1 auto;
}
.todo-add-form .mb-btn{
    width:auto;
    min-width:110px;
}
@media (max-width:720px){
    .mb-todo-actions{flex-wrap:wrap;justify-content:flex-end}
}
@media (max-width:768px){
    .mb-todo-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
    .todo-add-form{
        flex-direction:column;
        align-items:stretch;
    }
    .todo-add-form .mb-btn{
        width:100%;
    }
}

/* ===== moneybook 상단바 & 레이아웃 ===== */
.mb-topbar {
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:12px 16px;
    border-bottom:1px solid var(--mb-border);
    background:rgba(0,0,0,0.35);
    backdrop-filter:blur(10px);
    position:sticky;
    top:0;
    z-index:20;
}
.mb-topbar__logo{
    font-weight:700;
    font-size:1.1rem;
}
.mb-topbar__actions{
    display:flex;
    align-items:center;
    gap:10px;
}
.mb-topbar__nav{
    display:flex;
    gap:12px;
    align-items:center;
}
.mb-topbar__nav-btn{
    padding:6px 12px;
    border-radius:999px;
    border:1px solid transparent;
    cursor:pointer;
    font-size:0.9rem;
    background:transparent;
    color:var(--mb-text);
}
.mb-topbar__nav-btn.is-active{
    border-color:var(--mb-accent);
    background:rgba(90,173,255,0.1);
}
.mb-topbar__hamburger{
    display:none;
    cursor:pointer;
    width:28px;
    height:22px;
    position:relative;
    background:transparent;
    border:none;
}
.mb-topbar__hamburger span{
    position:absolute;
    left:0;
    right:0;
    height:3px;
    background:var(--mb-text);
    border-radius:999px;
    transition:transform 0.2s ease;
}
.mb-topbar__hamburger span:nth-child(1){top:0;}
.mb-topbar__hamburger span:nth-child(2){top:9px;}
.mb-topbar__hamburger span:nth-child(3){top:18px;}

.mb-layout{
    display:flex;
    gap:16px;
    margin-top:12px;
    padding:0 16px 24px;
}
.mb-layout__content{
    flex:1;
    min-width:0;
}
.mb-pane{display:none;}
.mb-pane.is-active{display:block;}

.mb-sidenav{
    display:none;
}
.mb-sidenav__menu{
    display:flex;
    flex-direction:column;
    gap:10px;
}
.mb-sidenav__btn{
    background:transparent;
    color:var(--mb-text);
    border:1px solid var(--mb-border);
    border-radius:10px;
    padding:10px 12px;
    text-align:left;
    cursor:pointer;
}
.mb-sidenav__btn.is-active{
    border-color:var(--mb-accent);
    background:rgba(90,173,255,0.08);
}

.hidden{display:none !important;}

@media (max-width:768px){
    .mb-topbar__nav{display:none;}
    .mb-topbar__hamburger{display:block;}
    .mb-topbar{
        gap:10px;
        padding:12px;
    }
    .mb-topbar__logo{
        font-size:1rem;
        min-width:0;
    }
    .mb-layout{
        flex-direction:column;
        padding:0 12px 20px;
    }
    .mb-card{
        padding:16px;
    }
    .mb-section-tabs{
        overflow-x:auto;
        padding-bottom:4px;
        scrollbar-width:none;
    }
    .mb-section-tabs::-webkit-scrollbar{display:none}
    .mb-manage-grid{grid-template-columns:1fr}
    .mb-sidenav{
        display:block;
        position:fixed;
        inset:0 0 0 18%;
        background:#050816;
        padding:16px;
        transform:translateX(100%);
        transition:transform 0.2s ease-out;
        z-index:30;
    }
    .mb-sidenav.is-open{
        transform:translateX(0);
    }
}
@media (max-width:640px){
    .mb-grid--2col{grid-template-columns:1fr}
    .mb-row{
        flex-direction:column;
        align-items:stretch;
    }
    .mb-field{
        min-width:0;
        width:100%;
    }
    .mb-field--end{
        margin-left:0;
        width:100%;
    }
    .mb-field--actions .mb-btn,
    .mb-row .mb-btn{
        width:100%;
    }
    .mb-table__head{display:none}
    .mb-table__row{
        grid-template-columns:minmax(0,1fr) auto;
        gap:10px 12px;
    }
    .mb-table__row > :nth-child(1){
        grid-column:1 / -1;
        font-weight:700;
    }
    .mb-table__row > :nth-child(2){
        grid-column:1 / 2;
        text-align:left;
    }
    .mb-table__row > :nth-child(3){
        grid-column:2 / 3;
        text-align:right;
    }
    .mb-table--two-col .mb-table__row{
        grid-template-columns:minmax(0,1fr) auto;
    }
    .mb-table--two-col .mb-table__row > :nth-child(1){
        grid-column:1 / 2;
        font-weight:600;
    }
    .mb-table--two-col .mb-table__row > :nth-child(2){
        grid-column:2 / 3;
        text-align:right;
    }
    .mb-spending-panel{
        padding:14px;
    }
    .mb-spending-panel__header{
        margin-bottom:12px;
    }
    .mb-spending-reset{
        flex-direction:column;
        align-items:stretch;
    }
    .mb-spending-reset .mb-btn{
        width:100%;
    }
    .mb-table--gift .mb-table__row{
        grid-template-columns:minmax(0,1fr) auto;
        gap:10px 12px;
    }
    .mb-table--gift .mb-table__row > :nth-child(1){
        grid-column:1 / -1;
        font-weight:700;
    }
    .mb-table--gift .mb-table__row > :nth-child(2){
        grid-column:1 / 2;
        color:var(--mb-dim);
        text-align:left;
    }
    .mb-table--gift .mb-table__row > :nth-child(3){
        grid-column:2 / 3;
        text-align:right;
    }
    .mb-table--gift .mb-table__row > :nth-child(4){
        grid-column:1 / -1;
        text-align:left;
    }
    .mb-inline-editor__group{
        flex-direction:column;
        align-items:stretch;
    }
    .mb-inline-editor__group .mb-input{
        width:100%;
    }
    .mb-inline-editor__group .mb-btn{
        width:100%;
    }
    .mb-table--schedule .mb-table__row{
        grid-template-columns:minmax(0, 1fr) auto;
        grid-template-areas:
            "item amount"
            "day day"
            "actions actions";
        gap:12px;
    }
    .mb-table--schedule .mb-table__cell--amount{
        align-self:start;
    }
    .mb-table--schedule .mb-table__cell--actions{
        text-align:left;
    }
    .mb-action-group{
        justify-content:flex-start;
    }
    .mb-action-group .mb-btn{
        width:auto;
        min-width:72px;
    }
}