.container {
    width: min(92%, 1200px);
    margin: 0 auto;
}

.navbar {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-links {
    display: flex;
    gap: 24px;
    color: var(--muted);
}

.nav-links a:hover {
    color: var(--primary);
}

.app-main {
    padding: 48px 0 80px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 32px;
}

.page-description {
    max-width: 700px;
    color: var(--muted);
}



.app-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    width: min(100% - 32px, 1200px);
    min-height: 72px;
    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;

    color: var(--text);
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.main-nav a {
    display: inline-flex;
    align-items: center;

    padding: 8px 0;
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
}

/* button */
.menu-icon,
.menu-icon::before,
.menu-icon::after {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-icon {
    position: relative;
}

.menu-icon::before,
.menu-icon::after {
    content: "";
    position: absolute;
    left: 0;
}

.menu-icon::before {
    top: -7px;
}

.menu-icon::after {
    top: 7px;
}

.menu-toggle {
    display: none;
}

.menu-toggle.is-open .menu-icon {
    background: transparent;
}

.menu-toggle.is-open .menu-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-toggle.is-open .menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 28px;
    margin-left: auto;
}

/* Mobile view */
@media (max-width: 768px) {
    .header-inner {
        position: relative;
        width: 100%;
        max-width: 100%;
        min-height: 64px;
        margin: 0;
        padding: 0 16px;
        box-sizing: border-box;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }

    .brand {
        min-width: 0;
        max-width: calc(100% - 54px);
        font-size: 1rem;
    }

    .menu-toggle {
        display: grid;
        place-items: center;
        flex: 0 0 42px;
        margin-left: auto;

        width: 42px;
        height: 42px;
        padding: 0;

        color: white;
        background: transparent;
        border: 0;
        cursor: pointer;
    }

    .menu-toggle:hover {
        background: var(--surface);
        border-color: var(--border);
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 16px;
        right: 16px;
        z-index: 1000;
        width: auto;
        margin: 0;
        padding: 10px;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 12px;
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
    }

    .main-nav.is-open {
        display: grid;
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .main-nav a {
        display: block;
        width: 100%;
        padding: 12px 14px;
        color: var(--muted);
        text-align: left;
        border-radius: 8px;
    }

    .main-nav a:hover,
    .main-nav a.active {
        color: var(--text);
        background: rgba(34, 197, 94, 0.1);
    }
}

.transaction-filter-panel,
.transaction-filter-controls,
.transaction-filter-field,
.transaction-search-field {
    min-width: 0;
    max-width: 100%;
}

.transaction-filter-field input,
.transaction-filter-field select,
.transaction-search-field input {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

.transaction-search-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 12px;
}

.transaction-filter-actions {
    display: flex;
    align-items: stretch;
    gap: 12px;
}

.transaction-filter-actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    min-height: 48px;
    padding: 12px 18px;
}

@media (max-width: 900px) {
    .transaction-search-row {
        grid-template-columns: 1fr;
    }

    .transaction-filter-actions {
        width: 100%;
    }

    .transaction-filter-actions .btn {
        flex: 1;
    }
}

@media (max-width: 600px) {
    .transaction-filter-actions {
        flex-direction: column;
    }

    .transaction-filter-actions .btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .transaction-filter-controls {
        grid-template-columns: 1fr;
    }

    .transaction-search-field {
        grid-column: auto;
    }

    .transaction-filter-actions {
        flex-direction: column;
        width: 100%;
    }

    .transaction-filter-actions .btn {
        width: 100%;
        max-width: 100%;
    }
}

@media (max-width:900px){
    .page-header{
        flex-direction:column;
        align-items:flex-start;
    }

    .page-header .btn{
        width:100%;
        max-width:100%;
    }
}

@media (max-width: 600px) {
    .page-header .btn {
        width: 100%;
    }
}