:root {
    color-scheme: light;
    --bg: #f5f3ee;
    --surface: #ffffff;
    --surface-soft: #f7f8fa;
    --text: #252525;
    --muted: #68707c;
    --line: #dde1e6;
    --accent: #256f6c;
    --accent-dark: #1b5250;
    --gold: #b5812d;
    --ink: #17202a;
    --danger: #9f2d2d;
    --danger-bg: #fff0f0;
    --success: #1f6f43;
    --success-bg: #eefaf2;
    font-family: Arial, Helvetica, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
}

a {
    color: inherit;
}

.login-page {
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-shell {
    width: min(100%, 440px);
}

.login-panel,
.empty-state {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 18px 50px rgba(40, 42, 46, 0.08);
}

.kicker {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(1.65rem, 3vw, 2.35rem);
    line-height: 1.1;
}

.intro {
    margin: 12px 0 24px;
    color: var(--muted);
    line-height: 1.5;
}

.login-form {
    display: grid;
    gap: 10px;
}

.login-form label {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.login-form input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 13px 14px;
    font-size: 1rem;
}

.form-panel input,
.form-panel textarea,
.period-filter select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 12px 13px;
    font-size: 1rem;
}

.form-panel input:focus,
.form-panel textarea:focus,
.period-filter select:focus {
    border-color: var(--accent);
    outline: 3px solid rgba(37, 111, 108, 0.18);
}

.form-panel textarea {
    font-family: inherit;
    resize: vertical;
}

.form-panel label,
.period-filter label {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.login-form input:focus {
    border-color: var(--accent);
    outline: 3px solid rgba(37, 111, 108, 0.18);
}

button,
.logout,
.topnav a {
    border: 0;
    border-radius: 6px;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
}

button {
    margin-top: 8px;
    background: var(--accent);
    color: #ffffff;
    cursor: pointer;
}

button:hover,
.logout:hover,
.topnav a:hover {
    background: var(--accent-dark);
    color: #ffffff;
}

.alert,
.success {
    border-radius: 6px;
    margin: 0 0 18px;
    padding: 12px 14px;
    line-height: 1.4;
}

.alert {
    background: var(--danger-bg);
    color: var(--danger);
}

.success {
    background: var(--success-bg);
    color: var(--success);
}

.topbar {
    align-items: center;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    display: flex;
    gap: 24px;
    justify-content: space-between;
    padding: 22px clamp(18px, 5vw, 56px);
}

.logout,
.topnav a {
    background: var(--surface-soft);
    color: var(--accent);
}

.topnav {
    display: flex;
    gap: 10px;
}

.content {
    width: min(1100px, calc(100% - 36px));
    margin: 38px auto;
}

.menu-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.menu-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    min-height: 170px;
    padding: 26px;
    text-decoration: none;
    transition: border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.menu-card:hover {
    border-color: var(--accent);
    box-shadow: 0 14px 35px rgba(40, 42, 46, 0.08);
    transform: translateY(-2px);
}

.menu-card span {
    display: block;
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.menu-card small,
.empty-state small {
    color: var(--muted);
    display: block;
    font-size: 0.95rem;
    line-height: 1.45;
}

.empty-state p {
    font-size: 1.15rem;
    line-height: 1.6;
    margin: 0 0 8px;
}

.finance-page,
.agenda-page {
    background:
        linear-gradient(180deg, #ffffff 0, #f7f4ee 340px, #f4f1eb 100%);
}

.finance-content,
.agenda-content {
    width: min(1280px, calc(100% - 36px));
    margin: 30px auto 56px;
}

.finance-hero,
.agenda-hero {
    align-items: end;
    background: var(--ink);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    color: #ffffff;
    display: flex;
    gap: 24px;
    justify-content: space-between;
    margin-bottom: 16px;
    padding: 28px;
    box-shadow: 0 24px 70px rgba(23, 32, 42, 0.18);
}

.finance-hero .kicker,
.agenda-hero .kicker {
    color: #d9b66d;
}

.finance-hero h2,
.agenda-hero h2 {
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    margin: 0;
}

.finance-hero p,
.agenda-hero p {
    color: rgba(255, 255, 255, 0.72);
    margin: 10px 0 0;
}

.period-filter {
    align-items: end;
    display: grid;
    gap: 8px;
    grid-template-columns: 96px 150px 150px;
    min-width: 430px;
}

.period-filter label {
    color: rgba(255, 255, 255, 0.72);
    grid-row: 1;
}

.period-filter select,
.period-filter button {
    grid-row: 2;
}

.period-filter button {
    height: 46px;
    margin: 0;
}

.month-strip {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
    border-radius: 8px;
    display: flex;
    gap: 6px;
    margin-bottom: 18px;
    overflow-x: auto;
    padding: 8px;
}

.month-strip a {
    border-radius: 6px;
    color: var(--muted);
    flex: 1 0 70px;
    font-size: 0.9rem;
    font-weight: 800;
    padding: 10px 12px;
    text-align: center;
    text-decoration: none;
}

.month-strip a.active,
.month-strip a:hover {
    background: var(--accent);
    color: #ffffff;
}

.finance-tabs {
    display: flex;
    gap: 10px;
    margin: 2px 0 18px;
}

.finance-tabs a {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--accent);
    font-weight: 800;
    padding: 13px 18px;
    text-decoration: none;
}

.finance-tabs a.active,
.finance-tabs a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.finance-summary,
.finance-layout,
.agenda-layout {
    display: grid;
    gap: 18px;
}

.finance-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 18px;
}

.form-panel,
.table-panel,
.calendar-panel,
.tasks-list {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 18px 50px rgba(40, 42, 46, 0.08);
}

.summary-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    min-height: 126px;
    overflow: hidden;
    padding: 22px;
    position: relative;
    box-shadow: 0 18px 50px rgba(40, 42, 46, 0.08);
}

.summary-card::before {
    content: "";
    display: block;
    height: 4px;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
}

.summary-card.income::before {
    background: var(--success);
}

.summary-card.expense::before {
    background: var(--danger);
}

.summary-card.balance::before {
    background: var(--gold);
}

.finance-summary small {
    color: var(--muted);
    display: block;
    font-weight: 700;
    margin-bottom: 7px;
}

.finance-summary strong {
    color: var(--ink);
    display: block;
    font-size: clamp(1.35rem, 2vw, 1.75rem);
    margin-top: 16px;
}

.finance-layout {
    align-items: start;
    grid-template-columns: minmax(300px, 390px) 1fr;
}

.form-panel,
.table-panel,
.calendar-panel,
.tasks-list {
    padding: 26px;
}

.form-panel {
    display: grid;
    gap: 12px;
}

.form-panel h2,
.table-panel h2 {
    font-size: 1.2rem;
    margin: 0;
}

.panel-title,
.table-heading {
    align-items: center;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    margin-bottom: 8px;
}

.panel-title {
    justify-content: flex-start;
}

.panel-title span {
    align-items: center;
    background: var(--accent);
    border-radius: 8px;
    color: #ffffff;
    display: inline-flex;
    font-size: 1.3rem;
    font-weight: 900;
    height: 38px;
    justify-content: center;
    width: 38px;
}

.table-heading p {
    color: var(--muted);
    margin: 5px 0 0;
}

.table-heading span {
    background: var(--surface-soft);
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 800;
    padding: 8px 12px;
}

.table-wrap {
    overflow-x: auto;
}

table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 15px 12px;
    text-align: left;
    white-space: nowrap;
}

th {
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.money-in {
    color: var(--success);
    font-weight: 800;
}

.money-out {
    color: var(--danger);
    font-weight: 800;
}

.muted-text {
    color: var(--muted);
    margin: 0;
}

.agenda-layout {
    align-items: start;
    grid-template-columns: minmax(330px, 470px) 1fr;
}

.calendar-panel,
.tasks-list {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 18px 50px rgba(40, 42, 46, 0.08);
}

.days-grid {
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.days-grid a {
    background: var(--surface-soft);
    border: 1px solid transparent;
    border-radius: 8px;
    min-height: 76px;
    padding: 10px;
    text-decoration: none;
}

.days-grid a.active,
.days-grid a:hover {
    background: var(--accent);
    color: #ffffff;
}

.days-grid span {
    display: block;
    font-size: 1.1rem;
    font-weight: 900;
}

.days-grid small {
    color: var(--muted);
    display: block;
    font-size: 0.76rem;
    font-weight: 800;
    margin-top: 13px;
}

.days-grid a.active small,
.days-grid a:hover small {
    color: rgba(255, 255, 255, 0.78);
}

.task-panel {
    display: grid;
    gap: 18px;
}

.agenda-form {
    grid-template-columns: 1fr;
}

.check-row {
    align-items: center;
    background: var(--surface-soft);
    border-radius: 8px;
    display: flex;
    gap: 10px;
    padding: 12px;
}

.check-row input {
    width: auto;
}

.task-stack {
    display: grid;
    gap: 12px;
}

.task-card {
    align-items: flex-start;
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: 8px;
    display: grid;
    gap: 14px;
    grid-template-columns: 110px 1fr 42px;
    padding: 16px;
}

.task-card.done {
    background: var(--success-bg);
}

.task-card h3 {
    margin: 0 0 7px;
}

.task-card p {
    color: var(--text);
    line-height: 1.45;
    margin: 0 0 8px;
}

.task-card small {
    color: var(--muted);
    line-height: 1.45;
}

.task-actions {
    display: grid;
    gap: 8px;
}

.task-check button,
.cancel-edit {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--accent);
    display: block;
    font-size: 0.95rem;
    font-weight: 800;
    margin: 0;
    padding: 12px 14px;
    text-align: center;
    text-decoration: none;
    width: 100%;
}

.cancel-edit:hover {
    background: var(--surface-soft);
}

.edit-task-icon {
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--accent);
    display: inline-flex;
    font-size: 1.12rem;
    font-weight: 900;
    height: 38px;
    justify-content: center;
    line-height: 1;
    text-decoration: none;
    width: 38px;
}

.edit-task-icon:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.cancel-edit {
    background: var(--surface-soft);
}

.task-card.done .task-check button {
    background: var(--success);
    border-color: var(--success);
    color: #ffffff;
}

@media (max-width: 760px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .menu-grid {
        grid-template-columns: 1fr;
    }

    .finance-summary,
    .finance-layout,
    .agenda-layout {
        grid-template-columns: 1fr;
    }

    .finance-hero,
    .agenda-hero {
        align-items: stretch;
        flex-direction: column;
        padding: 22px;
    }

    .period-filter {
        grid-template-columns: 1fr;
        min-width: 0;
    }

    .period-filter label,
    .period-filter select,
    .period-filter button {
        grid-row: auto;
    }

    .login-panel,
    .empty-state {
        padding: 24px;
    }

    .days-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .task-card {
        grid-template-columns: 1fr 42px;
    }

    .task-actions {
        grid-column: 1 / -1;
    }
}