:root {
    --navy: #123B6D;
    --navy-dark: #0B2A4F;
    --blue-soft: #EAF2FB;
    --bg: #F4F7FB;
    --text: #172B3F;
    --muted: #6B7C8F;
    --border: #DDE5EE;
    --income: #138A5B;
    --income-soft: #EAF8F2;
    --expense: #D44A4A;
    --expense-soft: #FFF0F0;
    --white: #FFFFFF;
    --shadow: 0 8px 28px rgba(18, 59, 109, .08);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}
button, input, textarea, select { font: inherit; }

.topbar {
    min-height: 72px;
    background: linear-gradient(135deg, var(--navy-dark), var(--navy));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 max(4%, 20px);
    box-shadow: 0 3px 16px rgba(7, 31, 58, .18);
    position: sticky;
    top: 0;
    z-index: 50;
}
.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    color: var(--white);
    text-decoration: none;
}
.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(255,255,255,.14);
    font-size: 22px;
    font-weight: 800;
}
.brand strong { display: block; font-size: 18px; line-height: 1.05; }
.brand small { display: block; margin-top: 3px; opacity: .72; font-size: 11px; letter-spacing: .03em; }
.desktop-nav { display: flex; gap: 8px; }
.desktop-nav a {
    color: var(--white);
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 10px;
    font-weight: 600;
}
.desktop-nav a:hover { background: rgba(255,255,255,.12); }

.page-wrap { width: min(1120px, 94%); margin: 28px auto 52px; }
.mobile-page-heading { margin: 0 0 18px; }
.mobile-page-heading h1 { margin: 3px 0 6px; font-size: clamp(26px, 3vw, 34px); letter-spacing: -.025em; }
.mobile-page-heading p { margin: 0; color: var(--muted); }
.eyebrow { color: #54708D; font-weight: 800; letter-spacing: .12em; font-size: 10px; }
h2 { margin: 3px 0 0; font-size: 20px; }

.card {
    background: var(--white);
    border: 1px solid rgba(207, 218, 230, .75);
    border-radius: 18px;
    padding: 22px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}
.entry-card { max-width: 820px; }
.entry-topline, .section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}
.mini-report-link {
    color: var(--navy);
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    background: var(--blue-soft);
    padding: 8px 11px;
    border-radius: 9px;
    white-space: nowrap;
}

.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: 13px; color: #344B62; }
.optional { color: #8A99A8; font-weight: 500; }
.input {
    width: 100%;
    min-height: 49px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 13px;
    background: var(--white);
    color: var(--text);
    font-size: 16px;
    transition: border-color .16s, box-shadow .16s;
}
.input:focus {
    outline: none;
    border-color: #4F78A4;
    box-shadow: 0 0 0 4px rgba(51, 104, 158, .10);
}
textarea.input { resize: vertical; }
.remarks-input { min-height: 72px; }
.mobile-form-grid {
    display: grid;
    grid-template-columns: 1.5fr .8fr;
    gap: 16px;
}

.visually-hidden-select {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}
.transaction-type-field { margin-bottom: 18px; }
.type-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.type-btn {
    appearance: none;
    border: 1px solid var(--border);
    background: #F9FBFD;
    border-radius: 14px;
    min-height: 64px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 11px;
    cursor: pointer;
    color: #40566D;
    transition: .16s ease;
}
.type-btn .type-icon {
    width: 35px;
    height: 35px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: 22px;
    font-weight: 700;
    background: #EDF2F7;
}
.type-btn strong, .type-btn small { display: block; text-align: left; }
.type-btn strong { font-size: 15px; }
.type-btn small { font-size: 10px; margin-top: 2px; opacity: .72; }
.type-btn.expense.active { color: #A72F2F; border-color: #F2BEBE; background: var(--expense-soft); box-shadow: 0 0 0 2px rgba(212,74,74,.06); }
.type-btn.expense.active .type-icon { background: #FFDADA; }
.type-btn.income.active { color: #087247; border-color: #A9DFC9; background: var(--income-soft); box-shadow: 0 0 0 2px rgba(19,138,91,.06); }
.type-btn.income.active .type-icon { background: #CEF1E2; }

.amount-field { margin-bottom: 17px; }
.amount-input-wrap {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: 14px;
    min-height: 65px;
    overflow: hidden;
    background: #FCFDFE;
}
.amount-input-wrap:focus-within { border-color: #4F78A4; box-shadow: 0 0 0 4px rgba(51, 104, 158, .10); }
.amount-input-wrap > span { font-size: 24px; font-weight: 800; padding-left: 16px; color: var(--navy); }
.amount-input {
    border: 0;
    box-shadow: none !important;
    min-height: 63px;
    font-size: 28px;
    font-weight: 800;
    padding-left: 8px;
    background: transparent;
}
.amount-input:focus { border: 0; box-shadow: none; }

.quick-categories { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 1px; }
.quick-categories button {
    border: 1px solid #DDE6F0;
    background: #F7FAFD;
    color: #4A6179;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 11px;
    font-weight: 650;
    cursor: pointer;
}
.quick-categories button:active { transform: scale(.97); }

.actions { margin-top: 19px; display: flex; gap: 10px; }
.btn, .chip {
    appearance: none;
    border: 0;
    cursor: pointer;
    text-decoration: none;
    border-radius: 11px;
    font-weight: 750;
    min-height: 46px;
}
.btn { padding: 11px 18px; }
.btn.primary { background: linear-gradient(135deg, #164F87, var(--navy)); color: var(--white); box-shadow: 0 5px 14px rgba(18,59,109,.18); }
.btn.primary:hover { background: var(--navy-dark); }
.btn.secondary { background: #EEF2F6; color: #3F5368; }
.save-entry-btn { min-width: 180px; }

.message {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-weight: 650;
    border: 1px solid transparent;
}
.message.success { background: var(--income-soft); color: #0C6C46; border-color: #BDE6D5; }
.message.error { background: var(--expense-soft); color: #A63232; border-color: #F1C5C5; }

.section-note, .period-label { color: var(--muted); font-size: 12px; }
.table-wrap { overflow-x: auto; }
.grid { width: 100%; border-collapse: collapse; min-width: 720px; }
.grid th {
    text-align: left;
    background: #F0F5FA;
    color: #38536E;
    padding: 12px;
    font-size: 12px;
    letter-spacing: .015em;
}
.grid td { padding: 12px; border-bottom: 1px solid #EDF1F5; vertical-align: top; font-size: 14px; }
.grid tr:hover td { background: #FCFDFE; }
.delete-link { color: #B33737; text-decoration: none; font-weight: 700; }
.txn-badge { display: inline-block; border-radius: 999px; padding: 5px 9px; font-size: 11px; font-weight: 800; }
.txn-badge.income { color: #087247; background: var(--income-soft); }
.txn-badge.expense { color: #A72F2F; background: var(--expense-soft); }

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 18px;
}
.summary-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow);
}
.summary-icon {
    flex: 0 0 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    font-weight: 900;
    font-size: 18px;
}
.summary-card span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 5px; }
.summary-card strong { display: block; font-size: clamp(18px, 2.5vw, 25px); white-space: nowrap; }
.summary-card.income .summary-icon { color: #087247; background: var(--income-soft); }
.summary-card.expense .summary-icon { color: #A72F2F; background: var(--expense-soft); }
.summary-card.balance .summary-icon { color: var(--navy); background: var(--blue-soft); }

.quick-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 17px; }
.chip {
    background: #EEF4FA;
    color: #24527F;
    border: 1px solid #D9E5F0;
    padding: 8px 13px;
    min-height: 40px;
}
.chip:hover { background: #E3EDF7; }
.filter-row { display: grid; grid-template-columns: 210px 210px auto; gap: 12px; align-items: end; }
.filter-action { padding-bottom: 1px; }
.show-report-btn { min-width: 150px; }
.report-filter-card .message { margin: 14px 0 0; }
.mobile-bottom-nav { display: none; }

@media (max-width: 820px) {
    .page-wrap { width: min(94%, 720px); margin-top: 20px; }
    .summary-grid { grid-template-columns: 1fr 1fr; }
    .summary-card.balance { grid-column: 1 / -1; }
    .filter-row { grid-template-columns: 1fr 1fr; }
    .filter-action { grid-column: 1 / -1; }
    .show-report-btn { width: 100%; }
}

@media (max-width: 600px) {
    body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
    .topbar { min-height: 58px; padding: 7px 15px; position: sticky; }
    .brand-mark { width: 36px; height: 36px; border-radius: 10px; font-size: 19px; }
    .brand strong { font-size: 15px; }
    .brand small { font-size: 9px; }
    .desktop-nav { display: none; }
    .page-wrap { width: 100%; margin: 0; padding: 17px 12px 8px; }
    .mobile-page-heading { padding: 0 4px; margin-bottom: 14px; }
    .mobile-page-heading h1 { font-size: 25px; }
    .mobile-page-heading p { font-size: 13px; line-height: 1.4; }
    .card { padding: 16px; border-radius: 16px; margin-bottom: 14px; box-shadow: 0 5px 18px rgba(18,59,109,.07); }
    .entry-card { max-width: none; }
    .entry-topline { margin-bottom: 14px; }
    h2 { font-size: 18px; }
    .mini-report-link { padding: 7px 9px; font-size: 11px; }

    .type-toggle { gap: 8px; }
    .type-btn { min-height: 60px; padding: 8px 9px; gap: 8px; border-radius: 13px; }
    .type-btn .type-icon { width: 32px; height: 32px; font-size: 19px; }
    .type-btn strong { font-size: 14px; }
    .amount-input-wrap { min-height: 62px; }
    .amount-input { min-height: 60px; font-size: 28px; }
    .mobile-form-grid { grid-template-columns: 1fr; gap: 14px; }
    .input { min-height: 50px; font-size: 16px; }
    .remarks-input { min-height: 67px; }
    .quick-categories { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
    .quick-categories::-webkit-scrollbar { display: none; }
    .quick-categories button { flex: 0 0 auto; }

    .entry-actions {
        position: sticky;
        bottom: 70px;
        z-index: 25;
        margin: 17px -8px -8px;
        padding: 9px 8px 8px;
        background: rgba(255,255,255,.96);
        backdrop-filter: blur(8px);
        border-top: 1px solid #EEF2F6;
        border-radius: 0 0 14px 14px;
    }
    .save-entry-btn { flex: 1; min-width: 0; min-height: 50px; font-size: 16px; }
    .clear-btn { min-width: 78px; min-height: 50px; }

    .summary-grid { grid-template-columns: 1fr 1fr; gap: 9px; padding: 0 1px; }
    .summary-card { padding: 13px 11px; gap: 8px; border-radius: 14px; min-width: 0; }
    .summary-card.balance { grid-column: 1 / -1; }
    .summary-icon { flex-basis: 35px; height: 35px; border-radius: 10px; font-size: 15px; }
    .summary-card span { font-size: 10px; }
    .summary-card strong { font-size: 16px; overflow: hidden; text-overflow: ellipsis; }
    .summary-card.balance strong { font-size: 20px; }

    .filter-head { align-items: flex-start; }
    .quick-filters { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
    .chip { width: 100%; min-height: 43px; }
    .filter-row { grid-template-columns: 1fr 1fr; gap: 9px; }
    .filter-row .field label { font-size: 11px; }
    .filter-action { grid-column: 1 / -1; }
    .show-report-btn { min-height: 49px; font-size: 15px; }
    .transaction-head { align-items: flex-start; flex-direction: column; margin-bottom: 11px; }
    .period-label { background: #F2F6FA; padding: 6px 8px; border-radius: 8px; }

    /* GridViews become touch-friendly cards on phones. */
    .mobile-card-table { overflow: visible; }
    .mobile-card-table .grid { min-width: 0; display: block; border-collapse: separate; }
    .mobile-card-table .grid tbody { display: block; }
    .mobile-card-table .grid tr { display: block; background: #FBFCFE; border: 1px solid #E3EAF1; border-radius: 13px; margin-bottom: 10px; padding: 8px 11px; }
    .mobile-card-table .grid tr:first-child { display: none; }
    .mobile-card-table .grid td { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; width: 100%; border: 0; padding: 6px 0; font-size: 13px; text-align: right !important; }
    .mobile-card-table .grid td:before { flex: 0 0 82px; text-align: left; color: #7A8998; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
    .recent-table .grid td:nth-child(1):before, .report-table .grid td:nth-child(1):before { content: "Date"; }
    .recent-table .grid td:nth-child(2):before, .report-table .grid td:nth-child(2):before { content: "Type"; }
    .recent-table .grid td:nth-child(3):before, .report-table .grid td:nth-child(3):before { content: "Category"; }
    .recent-table .grid td:nth-child(4):before, .report-table .grid td:nth-child(4):before { content: "Amount"; }
    .recent-table .grid td:nth-child(5):before, .report-table .grid td:nth-child(5):before { content: "Remarks"; }
    .recent-table .grid td:nth-child(6):before { content: "Action"; }
    .mobile-card-table .grid td:nth-child(4) { color: #172B3F; font-weight: 850; font-size: 15px; }
    .mobile-card-table .grid td:empty { display: none; }
    .mobile-card-table .grid td[colspan] { display: block; text-align: center !important; color: #7A8998; padding: 16px 8px; }
    .mobile-card-table .grid td[colspan]:before { display: none; }
    .delete-link { background: var(--expense-soft); color: #A72F2F; padding: 6px 10px; border-radius: 8px; }

    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 60;
        min-height: 65px;
        padding: 7px 12px calc(7px + env(safe-area-inset-bottom));
        background: rgba(255,255,255,.98);
        border-top: 1px solid #DCE5EE;
        box-shadow: 0 -5px 18px rgba(18,59,109,.08);
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .mobile-bottom-nav a {
        color: #4C637A;
        text-decoration: none;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 7px;
        min-height: 48px;
        border-radius: 12px;
        font-weight: 750;
        font-size: 13px;
    }
    .mobile-bottom-nav a:active { background: var(--blue-soft); color: var(--navy); }
    .nav-icon { font-size: 19px; font-weight: 900; }
}

@media (max-width: 380px) {
    .summary-card { padding: 11px 8px; }
    .summary-icon { display: none; }
    .filter-row { grid-template-columns: 1fr; }
    .filter-action { grid-column: auto; }
    .type-btn { padding-left: 6px; padding-right: 6px; }
}

.entry-page-subtitle { margin: 4px 0 0; font-size: 18px; font-weight: 600; color: #667085; }