:root {
    --bg-soft: #f4f7fb;
    --panel-bg: #ffffff;
    --border-soft: rgba(15, 23, 42, 0.08);
    --text-main: #172033;
    --text-soft: #61708b;
    --brand-start: #0f766e;
    --brand-end: #2563eb;
    --receipt: linear-gradient(135deg, #f59e0b, #f97316);
    --payment: linear-gradient(135deg, #059669, #10b981);
    --refund: linear-gradient(135deg, #0891b2, #06b6d4);
    --debt: linear-gradient(135deg, #7c3aed, #ec4899);
}

body {
    font-family: 'Manrope', sans-serif;
    color: var(--text-main);
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.10), transparent 24rem),
        radial-gradient(circle at right, rgba(245, 158, 11, 0.12), transparent 22rem),
        var(--bg-soft);
}

body.app-shell {
    padding-bottom: 0;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
    background:
        radial-gradient(circle at top left, rgba(16, 185, 129, 0.18), transparent 28rem),
        radial-gradient(circle at bottom right, rgba(37, 99, 235, 0.18), transparent 24rem),
        #eef3fb;
}

.auth-wrap {
    width: min(1100px, 100%);
}

.auth-card {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    overflow: hidden;
    border-radius: 1.75rem;
    background: var(--panel-bg);
}

.auth-copy {
    padding: 3.5rem;
    color: white;
    background:
        linear-gradient(145deg, rgba(15, 118, 110, 0.95), rgba(37, 99, 235, 0.92)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
}

.auth-copy h1 {
    font-size: clamp(2rem, 3vw, 3.2rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.auth-copy p {
    max-width: 38rem;
    color: rgba(255, 255, 255, 0.88);
}

.auth-form {
    padding: 3rem;
}

.default-login {
    display: inline-flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 1.75rem;
    padding: 1rem 1.25rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    opacity: 0.84;
}

.topbar {
    backdrop-filter: blur(18px);
    background: linear-gradient(135deg, rgba(15, 118, 110, 0.95), rgba(37, 99, 235, 0.95));
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.18);
}

.topbar .navbar-brand,
.topbar .nav-link,
.topbar-user {
    color: white;
}

.topbar .nav-link.active,
.topbar .nav-link:hover {
    color: white;
    opacity: 1;
}

.metric-card {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    min-height: 148px;
    padding: 1.4rem;
    border-radius: 1.35rem;
    color: white;
    box-shadow: 0 18px 30px rgba(15, 23, 42, 0.1);
}

.metric-card span {
    font-size: 0.95rem;
    font-weight: 700;
    opacity: 0.92;
}

.metric-card strong {
    font-size: clamp(1.55rem, 2vw, 2.05rem);
    line-height: 1.15;
}

.metric-receipt {
    background: var(--receipt);
}

.metric-payment {
    background: var(--payment);
}

.metric-refund {
    background: var(--refund);
}

.metric-debt {
    background: var(--debt);
}

.card {
    border: 1px solid var(--border-soft);
    border-radius: 1.25rem;
    overflow: hidden;
}

.card-header {
    background: rgba(255, 255, 255, 0.86);
    border-bottom: 1px solid var(--border-soft);
}

.table > :not(caption) > * > * {
    padding: 0.95rem 1rem;
    vertical-align: middle;
}

.form-control,
.form-select {
    border-radius: 0.95rem;
    border-color: rgba(37, 99, 235, 0.15);
    padding: 0.8rem 0.95rem;
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.12);
}

.btn {
    border-radius: 0.95rem;
    padding-inline: 1rem;
    font-weight: 700;
}

.btn-primary {
    background: linear-gradient(135deg, var(--brand-start), var(--brand-end));
    border: none;
}

.alert {
    border: none;
    border-radius: 1rem;
}

.transaction-helper {
    padding: 0.85rem 1rem;
    border-radius: 1rem;
    background: rgba(37, 99, 235, 0.08);
}

.detail-page-header {
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.12), transparent 18rem),
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 247, 251, 0.96));
}

.firm-detail-wrap {
    padding: 1.25rem;
    background:
        radial-gradient(circle at top right, rgba(16, 185, 129, 0.12), transparent 16rem),
        rgba(244, 247, 251, 0.95);
    border-top: 1px solid var(--border-soft);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.9rem;
}

.detail-stat {
    padding: 1rem;
    border-radius: 1rem;
    background: white;
    border: 1px solid var(--border-soft);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.detail-stat span {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-soft);
    font-size: 0.8rem;
    font-weight: 700;
}

.detail-stat strong {
    font-size: 1rem;
    line-height: 1.4;
}

.info-stack {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.info-pair {
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(244, 247, 251, 0.85);
    border: 1px solid var(--border-soft);
}

.info-pair span {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--text-soft);
    font-size: 0.8rem;
    font-weight: 700;
}

.info-pair strong {
    font-size: 0.96rem;
    line-height: 1.5;
}

.mobile-footer-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1035;
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    padding: 0.55rem calc(0.6rem + env(safe-area-inset-right)) calc(0.7rem + env(safe-area-inset-bottom)) calc(0.6rem + env(safe-area-inset-left));
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(16px);
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 -12px 30px rgba(15, 23, 42, 0.12);
    gap: 0.2rem;
    overflow-x: auto;
}

.mobile-footer-link {
    flex: 1;
    min-width: 4.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.1rem;
    color: var(--text-soft);
    text-decoration: none;
    font-size: 0.68rem;
    font-weight: 800;
    text-align: center;
}

.mobile-footer-link svg {
    width: 1.2rem;
    height: 1.2rem;
}

.mobile-footer-link.active {
    color: var(--brand-start);
}

.mobile-footer-link.active svg {
    filter: drop-shadow(0 4px 8px rgba(15, 118, 110, 0.18));
}

@media (max-width: 991.98px) {
    body.app-shell {
        padding-bottom: 90px;
    }

    .auth-card {
        grid-template-columns: 1fr;
    }

    .detail-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 575.98px) {
    .auth-shell {
        padding: 1rem;
    }

    .auth-copy,
    .auth-form {
        padding: 1.5rem;
    }

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

    .mobile-footer-link {
        font-size: 0.62rem;
    }
}