.invoice-tool {
    --invoice-blue: #0667b1;
    --invoice-blue-dark: #064674;
    --invoice-cyan: #08a4d8;
    --invoice-ink: #102a43;
    --invoice-muted: #5f7386;
    --invoice-line: #dce8f1;
    --invoice-soft: #f4f9fc;
    --invoice-success: #0b8f68;
    min-height: 100vh;
    padding-bottom: 4.5rem;
    color: var(--invoice-ink);
    background:
        radial-gradient(circle at 8% 22%, rgba(24, 169, 216, .08), transparent 28rem),
        linear-gradient(180deg, #f7fbfe 0, #fff 38rem);
}

.invoice-hero {
    position: relative;
    overflow: hidden;
    padding: 2rem 0 6.5rem;
    color: #fff;
    background:
        radial-gradient(circle at 84% 18%, rgba(75, 206, 255, .32), transparent 20rem),
        linear-gradient(128deg, #05375f 0%, #0766ad 55%, #0288c7 100%);
}

.invoice-hero::before,
.invoice-hero::after {
    position: absolute;
    content: '';
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 50%;
}

.invoice-hero::before { width: 28rem; height: 28rem; right: -8rem; top: -14rem; }
.invoice-hero::after { width: 15rem; height: 15rem; right: 14%; bottom: -11rem; }

.invoice-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .45rem;
    margin: 0 0 2.25rem;
    color: rgba(255,255,255,.74);
    font-size: .78rem;
    font-weight: 600;
}

.invoice-breadcrumb a { color: #fff; text-decoration: none; }
.invoice-breadcrumb a:hover { text-decoration: underline; }
.invoice-breadcrumb i { font-size: .65rem; opacity: .65; }

.invoice-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(17rem, .55fr);
    gap: 3rem;
    align-items: end;
}

.invoice-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: 1rem;
    padding: .45rem .8rem;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 999px;
    color: #dff7ff;
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(10px);
    font-size: .77rem;
    font-weight: 800;
    letter-spacing: .045em;
    text-transform: uppercase;
}

.invoice-hero h1 {
    max-width: 850px;
    margin: 0;
    font-size: clamp(2rem, 4.4vw, 3.65rem);
    font-weight: 850;
    letter-spacing: -.045em;
    line-height: 1.08;
}

.invoice-hero-lead {
    max-width: 710px;
    margin: 1.1rem 0 0;
    color: rgba(255,255,255,.84);
    font-size: clamp(.97rem, 1.3vw, 1.08rem);
    line-height: 1.75;
}

.invoice-hero-tags { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.35rem; }
.invoice-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    color: #fff;
    font-size: .78rem;
    font-weight: 700;
}
.invoice-hero-tag i { color: #73e3ff; }

.invoice-hero-summary {
    display: grid;
    gap: .7rem;
    padding: 1.05rem;
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 1.25rem;
    background: rgba(3, 39, 70, .28);
    box-shadow: 0 20px 50px rgba(3, 35, 61, .18);
    backdrop-filter: blur(12px);
}

.invoice-summary-item { display: grid; grid-template-columns: 2.4rem 1fr; gap: .7rem; align-items: center; }
.invoice-summary-icon {
    display: grid;
    place-items: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: .75rem;
    color: #03385e;
    background: #dff8ff;
}
.invoice-summary-item strong { display: block; color: #fff; font-size: .84rem; }
.invoice-summary-item span { color: rgba(255,255,255,.7); font-size: .72rem; }

.invoice-workspace { position: relative; z-index: 2; margin-top: -4rem; }
.invoice-panel {
    border: 1px solid rgba(12, 83, 129, .1);
    border-radius: 1.4rem;
    background: #fff;
    box-shadow: 0 24px 65px rgba(20, 66, 96, .11);
}

.invoice-form-panel { padding: clamp(1.2rem, 3vw, 2rem); }
.invoice-panel-top {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.45rem;
}
.invoice-kicker { margin: 0 0 .32rem; color: var(--invoice-blue); font-size: .72rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.invoice-panel-title { margin: 0; font-size: 1.28rem; font-weight: 820; letter-spacing: -.025em; }
.invoice-panel-desc { margin: .35rem 0 0; color: var(--invoice-muted); font-size: .84rem; line-height: 1.55; }

.invoice-security-chip {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: .42rem;
    padding: .46rem .7rem;
    border-radius: 999px;
    color: #067255;
    background: #e9faf4;
    font-size: .72rem;
    font-weight: 800;
}

.invoice-mode-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .45rem;
    margin-bottom: 1.5rem;
    padding: .36rem;
    border: 1px solid #e1ebf2;
    border-radius: .95rem;
    background: #f1f6f9;
}

.invoice-mode-button {
    display: flex;
    gap: .65rem;
    align-items: center;
    justify-content: center;
    min-height: 3.15rem;
    padding: .65rem .85rem;
    border: 0;
    border-radius: .7rem;
    color: #536b7e;
    background: transparent;
    font-size: .84rem;
    font-weight: 780;
    transition: .2s ease;
}
.invoice-mode-button:hover { color: var(--invoice-blue); }
.invoice-mode-button[aria-selected="true"] {
    color: var(--invoice-blue-dark);
    background: #fff;
    box-shadow: 0 4px 14px rgba(26, 72, 103, .09);
}
.invoice-mode-button i { font-size: 1.05rem; }

.invoice-step {
    display: grid;
    grid-template-columns: 2.1rem minmax(0, 1fr);
    gap: .8rem;
    padding: 1.35rem 0;
    border-top: 1px solid #e8eff4;
}
.invoice-step:first-of-type { border-top: 0; padding-top: 0; }
.invoice-step-number {
    display: grid;
    place-items: center;
    width: 2.05rem;
    height: 2.05rem;
    border-radius: .65rem;
    color: #fff;
    background: linear-gradient(145deg, var(--invoice-blue), var(--invoice-cyan));
    box-shadow: 0 7px 17px rgba(6, 103, 177, .2);
    font-size: .78rem;
    font-weight: 850;
}
.invoice-step-title { margin: .23rem 0 .2rem; font-size: .95rem; font-weight: 800; }
.invoice-step-help { margin: 0 0 1rem; color: var(--invoice-muted); font-size: .79rem; line-height: 1.55; }

.invoice-label { display: block; margin-bottom: .42rem; color: #29475f; font-size: .78rem; font-weight: 760; }
.invoice-label .required { color: #d73535; }
.invoice-field { position: relative; }
.invoice-field-icon { position: absolute; z-index: 1; left: .88rem; top: 50%; transform: translateY(-50%); color: #7890a3; pointer-events: none; }
.invoice-input {
    min-height: 3rem;
    border: 1px solid #cfdde7;
    border-radius: .76rem;
    color: var(--invoice-ink);
    background: #fbfdfe;
    font-size: .87rem;
    font-weight: 550;
}
.invoice-input.has-icon { padding-left: 2.65rem; }
.invoice-input:focus { border-color: #328bc5; background: #fff; box-shadow: 0 0 0 .23rem rgba(15, 126, 192, .12); }
.invoice-input::placeholder { color: #9bacba; font-weight: 450; }
.invoice-field-note { margin-top: .38rem; color: #71869a; font-size: .71rem; line-height: 1.45; }
.invoice-password-toggle {
    position: absolute;
    z-index: 2;
    top: 50%;
    right: .5rem;
    display: grid;
    place-items: center;
    width: 2.2rem;
    height: 2.2rem;
    border: 0;
    border-radius: .6rem;
    color: #61788c;
    background: transparent;
    transform: translateY(-50%);
}
.invoice-password-toggle:hover { color: var(--invoice-blue); background: #eef7fc; }

.invoice-inline-actions { display: flex; flex-wrap: wrap; gap: .55rem; align-items: center; margin-top: .85rem; }
.invoice-secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .42rem;
    min-height: 2.45rem;
    padding: .5rem .78rem;
    border: 1px solid #cfdee8;
    border-radius: .68rem;
    color: #35566f;
    background: #fff;
    font-size: .75rem;
    font-weight: 760;
}
.invoice-secondary-button:hover { border-color: #8fbcd7; color: var(--invoice-blue); background: #f4faff; }
.invoice-secondary-button:disabled { opacity: .5; cursor: not-allowed; }
.invoice-connection-state { display: inline-flex; gap: .35rem; align-items: center; color: #71869a; font-size: .73rem; font-weight: 650; }

.invoice-selection-box { padding: 1rem; border: 1px solid #dce8f1; border-radius: .9rem; background: #f7fbfd; }
.invoice-range-count { margin-top: .5rem; color: var(--invoice-blue); font-size: .73rem; font-weight: 750; }

.invoice-format-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .65rem; }
.invoice-format-option { position: relative; }
.invoice-format-option input { position: absolute; opacity: 0; pointer-events: none; }
.invoice-format-option label {
    display: flex;
    gap: .6rem;
    align-items: center;
    min-height: 4rem;
    padding: .75rem;
    border: 1px solid #d8e5ed;
    border-radius: .78rem;
    background: #fff;
    cursor: pointer;
    transition: .2s ease;
}
.invoice-format-option label i { color: #6d8293; font-size: 1.25rem; }
.invoice-format-option label strong { display: block; color: #28475f; font-size: .77rem; }
.invoice-format-option label small { display: block; margin-top: .08rem; color: #8092a1; font-size: .66rem; }
.invoice-format-option input:checked + label { border-color: #44a1d6; background: #eff9ff; box-shadow: inset 0 0 0 1px #44a1d6; }
.invoice-format-option input:checked + label i,
.invoice-format-option input:checked + label strong { color: var(--invoice-blue); }
.invoice-format-option input:focus-visible + label { outline: 3px solid rgba(20,126,191,.2); outline-offset: 2px; }

.invoice-remember { display: flex; gap: .55rem; align-items: flex-start; margin: 1rem 0; color: #526a7e; font-size: .74rem; line-height: 1.45; }
.invoice-remember input { margin-top: .15rem; }
.invoice-remember strong { color: #23435c; }

.invoice-primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .65rem;
    width: 100%;
    min-height: 3.35rem;
    padding: .8rem 1rem;
    border: 0;
    border-radius: .85rem;
    color: #fff;
    background: linear-gradient(120deg, #0667b1, #0796cd);
    box-shadow: 0 12px 25px rgba(5, 105, 174, .24);
    font-size: .91rem;
    font-weight: 820;
    transition: .2s ease;
}
.invoice-primary-button:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 16px 30px rgba(5, 105, 174, .3); }
.invoice-primary-button:disabled { opacity: .65; transform: none; box-shadow: none; cursor: wait; }

.invoice-alert { margin: 1rem 0 0; padding: .8rem .9rem; border-radius: .75rem; font-size: .77rem; font-weight: 650; }

.invoice-status-panel { position: sticky; top: 6rem; overflow: hidden; }
.invoice-status-head { padding: 1.35rem 1.35rem 1rem; border-bottom: 1px solid #e8eff4; }
.invoice-status-title-row { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.invoice-status-badge { display: inline-flex; gap: .35rem; align-items: center; padding: .4rem .65rem; border-radius: 999px; color: #607588; background: #edf3f7; font-size: .69rem; font-weight: 800; }
.invoice-status-badge.is-working { color: #086ba6; background: #e5f5fd; }
.invoice-status-badge.is-success { color: #087455; background: #e5f8f1; }
.invoice-status-badge.is-error { color: #bd3030; background: #ffeded; }

.invoice-progress-wrap { padding: 1.15rem 1.35rem; background: linear-gradient(180deg, #fbfdff, #f3f8fb); }
.invoice-progress-meta { display: flex; justify-content: space-between; gap: 1rem; align-items: end; margin-bottom: .7rem; }
.invoice-progress-meta strong { display: block; color: #24445c; font-size: .84rem; }
.invoice-progress-meta span { color: #72879a; font-size: .7rem; }
.invoice-progress-percent { color: var(--invoice-blue) !important; font-size: 1.3rem !important; font-weight: 850; }
.invoice-progress { height: .5rem; overflow: hidden; border-radius: 999px; background: #dfeaf1; }
.invoice-progress-bar { width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #0871b8, #12b4d6); transition: width .25s ease; }

.invoice-stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .55rem; margin-top: 1rem; }
.invoice-stat { padding: .7rem .45rem; border: 1px solid #deebf2; border-radius: .7rem; text-align: center; background: #fff; }
.invoice-stat strong { display: block; color: #1f4058; font-size: 1rem; }
.invoice-stat span { color: #71869a; font-size: .63rem; font-weight: 700; }
.invoice-stat.is-success strong { color: var(--invoice-success); }
.invoice-stat.is-error strong { color: #c74646; }

.invoice-log-head { display: flex; justify-content: space-between; align-items: center; gap: .8rem; padding: 1rem 1.35rem .7rem; }
.invoice-log-head span { color: #486377; font-size: .7rem; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.invoice-text-button { padding: .25rem; border: 0; color: #75899a; background: transparent; font-size: .7rem; font-weight: 700; }
.invoice-text-button:hover { color: var(--invoice-blue); }
.invoice-log {
    min-height: 17rem;
    max-height: 23rem;
    margin: 0 1.35rem 1rem;
    padding: .9rem;
    overflow: auto;
    border-radius: .8rem;
    color: #c8d8e5;
    background: #102838;
    font: 500 .7rem/1.55 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.invoice-log-empty { display: grid; place-items: center; min-height: 14.5rem; color: #7890a1; text-align: center; }
.invoice-log-empty i { display: block; margin-bottom: .55rem; color: #3c6178; font-size: 1.6rem; }
.invoice-log-line { display: grid; grid-template-columns: 4.3rem minmax(0, 1fr); gap: .5rem; padding: .38rem 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.invoice-log-line time { color: #698699; }
.invoice-log-line.is-success span { color: #5be0b2; }
.invoice-log-line.is-error span { color: #ff8d8d; }
.invoice-log-line.is-warn span { color: #ffd47a; }
.invoice-log-line.is-info span { color: #8bcff4; }
.invoice-cancel { width: calc(100% - 2.7rem); margin: 0 1.35rem 1.35rem; color: #b63838; border-color: #f0caca; background: #fff7f7; }

.invoice-content-section { padding-top: 4.5rem; }
.invoice-section-heading { max-width: 720px; margin: 0 auto 2rem; text-align: center; }
.invoice-section-heading span { color: var(--invoice-blue); font-size: .73rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.invoice-section-heading h2 { margin: .45rem 0 .65rem; font-size: clamp(1.55rem, 3vw, 2.25rem); font-weight: 850; letter-spacing: -.035em; }
.invoice-section-heading p { margin: 0; color: var(--invoice-muted); font-size: .9rem; line-height: 1.7; }

.invoice-benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.invoice-benefit { padding: 1.35rem; border: 1px solid #e0eaf1; border-radius: 1rem; background: #fff; box-shadow: 0 10px 30px rgba(19, 66, 98, .05); }
.invoice-benefit-icon { display: grid; place-items: center; width: 2.8rem; height: 2.8rem; margin-bottom: 1rem; border-radius: .82rem; color: var(--invoice-blue); background: #eaf7fe; font-size: 1.25rem; }
.invoice-benefit h3 { margin: 0 0 .45rem; font-size: .95rem; font-weight: 820; }
.invoice-benefit p { margin: 0; color: var(--invoice-muted); font-size: .79rem; line-height: 1.65; }

.invoice-guide { display: grid; grid-template-columns: .72fr 1.28fr; gap: 2rem; align-items: start; margin-top: 4rem; padding: clamp(1.4rem, 3vw, 2.3rem); border-radius: 1.3rem; color: #fff; background: linear-gradient(130deg, #073c64, #075f9d); }
.invoice-guide h2 { margin: .5rem 0 .7rem; font-size: 1.6rem; font-weight: 840; letter-spacing: -.03em; }
.invoice-guide > div > p { margin: 0; color: rgba(255,255,255,.72); font-size: .83rem; line-height: 1.65; }
.invoice-guide-list { display: grid; gap: .65rem; }
.invoice-guide-step { display: grid; grid-template-columns: 2rem 1fr; gap: .7rem; padding: .8rem; border: 1px solid rgba(255,255,255,.13); border-radius: .8rem; background: rgba(255,255,255,.07); }
.invoice-guide-step b { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: .6rem; color: #06466f; background: #dff8ff; font-size: .75rem; }
.invoice-guide-step strong { display: block; font-size: .8rem; }
.invoice-guide-step span { display: block; margin-top: .16rem; color: rgba(255,255,255,.68); font-size: .7rem; line-height: 1.45; }

.invoice-faq { max-width: 900px; margin: 0 auto; }
.invoice-faq .accordion-item { margin-bottom: .7rem; overflow: hidden; border: 1px solid #dde8ef; border-radius: .85rem; }
.invoice-faq .accordion-button { padding: 1rem 1.1rem; color: #233f55; background: #fff; box-shadow: none; font-size: .85rem; font-weight: 780; }
.invoice-faq .accordion-button:not(.collapsed) { color: var(--invoice-blue); background: #f4faff; }
.invoice-faq .accordion-body { padding: .25rem 1.1rem 1rem; color: var(--invoice-muted); font-size: .79rem; line-height: 1.7; }

.invoice-noscript { margin: 1rem 0 0; padding: .85rem; border: 1px solid #f2cf83; border-radius: .75rem; color: #7b5710; background: #fff8e8; font-size: .8rem; }

@media (max-width: 991.98px) {
    .invoice-hero { padding-bottom: 5.5rem; }
    .invoice-hero-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .invoice-hero-summary { grid-template-columns: repeat(3, 1fr); }
    .invoice-summary-item { grid-template-columns: 1fr; text-align: center; }
    .invoice-summary-icon { margin: auto; }
    .invoice-status-panel { position: static; }
    .invoice-guide { grid-template-columns: 1fr; }
}

@media (max-width: 767.98px) {
    .invoice-hero { padding-top: 1.25rem; }
    .invoice-breadcrumb { margin-bottom: 1.5rem; }
    .invoice-hero-summary { display: none; }
    .invoice-workspace { margin-top: -3.2rem; }
    .invoice-panel-top { display: block; }
    .invoice-security-chip { margin-top: .75rem; }
    .invoice-benefit-grid { grid-template-columns: 1fr; }
    .invoice-content-section { padding-top: 3.2rem; }
}

@media (max-width: 575.98px) {
    .invoice-tool { padding-bottom: 5.5rem; }
    .invoice-hero { padding-bottom: 4.6rem; }
    .invoice-hero h1 { font-size: 1.7rem; line-height: 1.12; }
    .invoice-hero-tags { display: grid; gap: .45rem; }
    .invoice-form-panel { padding: 1rem; }
    .invoice-mode-button { justify-content: flex-start; font-size: .76rem; }
    .invoice-step { grid-template-columns: 1fr; }
    .invoice-step-number { width: 1.85rem; height: 1.85rem; }
    .invoice-format-grid { grid-template-columns: 1fr; }
    .invoice-format-option label { min-height: 3.4rem; }
    .invoice-status-head,
    .invoice-progress-wrap,
    .invoice-log-head { padding-left: 1rem; padding-right: 1rem; }
    .invoice-log { margin-left: 1rem; margin-right: 1rem; }
    .invoice-cancel { width: calc(100% - 2rem); margin-left: 1rem; margin-right: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    .invoice-primary-button,
    .invoice-progress-bar,
    .invoice-mode-button,
    .invoice-format-option label { transition: none; }
}