/* ===================================================================
   BillFlow — application styles
   Layered on top of Bootstrap 5. Keep overrides light and themeable.
   =================================================================== */

:root {
    --bf-navbar-bg: #11203b;
    --bf-sidebar-bg: #f6f8fb;
    --bf-sidebar-border: #e3e8f0;
    --bf-body-bg: #f1f4f9;
    --bf-card-border: #e6eaf1;

    /* Section / category palette */
    --bf-income:  #198754;
    --bf-housing: #0d6efd;
    --bf-utility: #0dcaf0;
    --bf-personal:#6c757d;
    --bf-ccloan:  #dc3545;
    --bf-business:#6f42c1;
    --bf-health:  #d63384;
    --bf-tech:    #6610f2;
    --bf-insure:  #fd7e14;
}

body.bf-body {
    background: var(--bf-body-bg);
}

/* ---- Navbar -------------------------------------------------------- */
.bf-navbar {
    background: var(--bf-navbar-bg);
    box-shadow: 0 1px 0 rgba(0, 0, 0, .15);
}
.bf-navbar .navbar-brand {
    color: #fff;
    font-weight: 600;
    letter-spacing: .2px;
}
.bf-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, .3);
}
.bf-profile-btn,
.bf-user-btn {
    background: rgba(255, 255, 255, .08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .15);
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}
.bf-profile-btn:hover,
.bf-user-btn:hover {
    background: rgba(255, 255, 255, .16);
    color: #fff;
}
.bf-dot {
    display: inline-block;
    width: .65rem;
    height: .65rem;
    border-radius: 50%;
    background: #0d6efd;
    flex: 0 0 auto;
}

/* ---- Sidebar ------------------------------------------------------- */
.bf-sidebar-col {
    border-right: 1px solid var(--bf-sidebar-border);
}
.bf-sidebar {
    background: var(--bf-sidebar-bg);
}
@media (min-width: 768px) {
    .bf-sidebar {
        position: sticky;
        top: 56px;
        height: calc(100vh - 56px);
        overflow-y: auto;
    }
}
.bf-nav {
    padding: 1rem .75rem;
}
.bf-nav-heading {
    text-transform: uppercase;
    font-size: .7rem;
    letter-spacing: .08em;
    color: #8a93a3;
    padding: 1rem .75rem .25rem;
    margin: 0;
}
.bf-nav-link {
    display: flex;
    align-items: center;
    gap: .6rem;
    color: #36425a;
    border-radius: .5rem;
    padding: .5rem .75rem;
    font-weight: 500;
}
.bf-nav-link:hover {
    background: #e9eef6;
    color: #11203b;
}
.bf-nav-link.active {
    background: #0d6efd;
    color: #fff;
}
.bf-nav-link.disabled {
    color: #aab2c0;
    cursor: default;
}
.bf-nav-link.disabled:hover {
    background: transparent;
}
.bf-soon {
    background: #e3e8f0;
    color: #8a93a3;
    font-weight: 600;
    font-size: .62rem;
}

/* ---- Main ---------------------------------------------------------- */
.bf-main {
    min-height: calc(100vh - 56px);
}

/* ---- Cards & KPIs -------------------------------------------------- */
.bf-card {
    border: 1px solid var(--bf-card-border);
    border-radius: .75rem;
}
.bf-kpi {
    border: 1px solid var(--bf-card-border);
    border-radius: .75rem;
    border-left-width: 4px;
}
.bf-kpi-label {
    color: #6b7488;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .05em;
}
.bf-kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #11203b;
}
.bf-kpi-meta {
    color: #8a93a3;
    font-size: .8rem;
}
.bf-kpi-income  { border-left-color: var(--bf-income); }
.bf-kpi-expense { border-left-color: var(--bf-ccloan); }
.bf-kpi-net     { border-left-color: var(--bf-housing); }

/* ---- Empty states -------------------------------------------------- */
.bf-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: #6b7488;
}
.bf-empty i {
    font-size: 2.25rem;
    color: #c2cad7;
    display: block;
    margin-bottom: .5rem;
}
.bf-checklist li {
    padding: .35rem 0;
    border-bottom: 1px dashed #eef1f6;
}
.bf-checklist li:last-child {
    border-bottom: 0;
}

/* ---- Guest (login / installer) ------------------------------------ */
.bf-guest {
    display: flex;
    min-height: 100vh;
}
.bf-guest-wrap {
    margin: auto;
    width: 100%;
    max-width: 420px;
    padding: 1.5rem;
}
.bf-guest-card {
    width: 100%;
}
.bf-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--bf-navbar-bg);
    color: #fff;
    font-size: 1.6rem;
}
.bf-brand {
    color: #11203b;
    font-weight: 700;
}

/* ---- Reports ------------------------------------------------------- */
.bf-report-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: #eef2f8;
    color: #0d6efd;
    font-size: 1.05rem;
    flex: 0 0 auto;
}
.card.bf-card.text-decoration-none:hover {
    border-color: #cdd7e6;
    box-shadow: 0 2px 10px rgba(17, 32, 59, .06);
}

/* ---- Monthly budget grid ------------------------------------------ */
.bf-budget-wrap {
    max-height: 75vh;
    overflow: auto;
}
.bf-budget {
    border-collapse: separate;
    border-spacing: 0;
    font-size: .86rem;
}
.bf-budget th,
.bf-budget td {
    white-space: nowrap;
    border-bottom: 1px solid #eef1f6;
}
.bf-budget thead th {
    position: sticky;
    top: 0;
    background: #eef2f8;
    z-index: 2;
    font-weight: 600;
}
.bf-budget .bf-col-name {
    position: sticky;
    left: 0;
    background: #fff;
    z-index: 1;
    min-width: 190px;
    box-shadow: 1px 0 0 #eef1f6;
}
.bf-budget thead th.bf-col-name {
    z-index: 3;
    background: #eef2f8;
}
.bf-budget .bf-col-total {
    background: #fbfcfe;
}
.bf-budget tbody tr:hover td {
    background: #f7f9fc;
}
.bf-budget tbody tr:hover .bf-col-name {
    background: #f1f4f9;
}
.bf-band td {
    background: #f6f8fb;
}
.bf-band .bf-col-name {
    background: #f6f8fb;
}
.bf-subtotal td {
    background: #fafbfd;
    font-weight: 600;
    color: #44506a;
}
.bf-subtotal .bf-col-name {
    background: #fafbfd;
}
.bf-total-row td {
    font-weight: 700;
    border-top: 2px solid #d7deea;
    border-bottom: 2px solid #d7deea;
}
.bf-total-expense td { background: #fdf2f3; }
.bf-total-expense .bf-col-name { background: #fdf2f3; }
.bf-total-income td { background: #f0faf4; }
.bf-total-income .bf-col-name { background: #f0faf4; }
.bf-net-row td {
    background: #11203b;
    color: #fff;
    border-top: 2px solid #11203b;
}
.bf-net-row .bf-col-name {
    background: #11203b;
    color: #fff;
}
.bf-net-row .text-success { color: #5ee0a0 !important; }
.bf-net-row .text-danger  { color: #ff9aa2 !important; }

/* ---- Section colour helpers (used from Phase 2 onward) ------------- */
.bf-section-income   { border-left: 4px solid var(--bf-income); }
.bf-section-housing  { border-left: 4px solid var(--bf-housing); }
.bf-section-utility  { border-left: 4px solid var(--bf-utility); }
.bf-section-personal { border-left: 4px solid var(--bf-personal); }
.bf-section-ccloan   { border-left: 4px solid var(--bf-ccloan); }
.bf-section-business { border-left: 4px solid var(--bf-business); }
.bf-section-health   { border-left: 4px solid var(--bf-health); }
.bf-section-tech     { border-left: 4px solid var(--bf-tech); }
.bf-section-insure   { border-left: 4px solid var(--bf-insure); }