* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #08090b;
    --panel: #101216;
    --panel-2: #15171c;
    --border: #272a31;

    --text: #f3f4f6;
    --muted: #8b909b;

    --green: #63f29b;
    --green-dark: #193f2a;

    --orange: #ffad5c;
    --red: #ff6674;

    --radius: 18px;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(
            circle at 80% 10%,
            rgba(99, 242, 155, .08),
            transparent 30%
        ),
        var(--bg);

    color: var(--text);

    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.app-shell {
    width: 100%;
    min-height: 100vh;
}


/* =========================
   TOPBAR
========================= */

.topbar {
    width: 100%;
    min-height: 72px;

    padding: 16px 22px;

    border-bottom: 1px solid var(--border);

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
}

.brand-mark {
    width: 40px;
    height: 40px;

    border-radius: 11px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: var(--green);
    color: #06130b;

    font-size: 12px;
    font-weight: 900;
}

.brand strong {
    display: block;

    font-size: 13px;
    letter-spacing: .08em;
}

.brand span {
    display: block;

    margin-top: 2px;

    color: var(--muted);

    font-size: 10px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.demo-badge {
    padding: 7px 10px;

    border: 1px solid rgba(255, 173, 92, .35);

    border-radius: 999px;

    color: var(--orange);

    font-size: 9px;
    font-weight: 800;
    letter-spacing: .1em;
}


/* =========================
   COMMON
========================= */

.scanner-page,
.result-page {
    width: min(100%, 720px);

    margin: 0 auto;

    padding: 50px 20px 70px;
}

.eyebrow {
    color: var(--green);

    font-size: 10px;
    font-weight: 800;
    letter-spacing: .16em;
}

.hero {
    margin-bottom: 30px;
}

.hero h1,
.report-header h1 {
    margin-top: 13px;

    font-size: clamp(38px, 10vw, 68px);

    line-height: .92;

    letter-spacing: -.055em;
}

.hero p,
.report-header p {
    max-width: 570px;

    margin-top: 20px;

    color: var(--muted);

    font-size: 14px;
    line-height: 1.7;
}

.card-label {
    display: flex;
    align-items: center;
    gap: 9px;

    margin-bottom: 20px;

    color: var(--muted);

    font-size: 10px;
    font-weight: 800;
    letter-spacing: .13em;
}

.card-label span {
    color: var(--green);
}


/* =========================
   UPLOAD
========================= */

.upload-card {
    padding: 20px;

    background: var(--panel);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    box-shadow: 0 20px 50px rgba(0, 0, 0, .2);
}

.drop-zone {
    min-height: 230px;

    border: 1px dashed #3b4049;

    border-radius: 15px;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    padding: 25px;

    text-align: center;

    cursor: pointer;

    transition:
        border-color .2s ease,
        background .2s ease,
        transform .2s ease;
}

.drop-zone:hover {
    border-color: var(--green);

    background: rgba(99, 242, 155, .025);

    transform: translateY(-1px);
}

.upload-icon {
    width: 48px;
    height: 48px;

    margin-bottom: 15px;

    border: 1px solid #3b4049;

    border-radius: 50%;

    display: flex;
    align-items: center;
    justify-content: center;

    color: var(--green);

    font-size: 28px;
    font-weight: 300;
}

.upload-title {
    font-size: 16px;
    font-weight: 800;
}

.upload-description {
    margin-top: 7px;

    color: var(--muted);

    font-size: 12px;
}

.upload-hint {
    margin-top: 18px;

    color: #555b66;

    font-size: 10px;
}


/* =========================
   SELECTED FILES
========================= */

.selected-files-wrap {
    display: none;

    margin-top: 13px;

    padding: 12px;

    background: var(--panel-2);

    border: 1px solid var(--border);

    border-radius: 12px;
}

.selected-files-wrap.active {
    display: block;
}

.selected-files-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 10px;

    padding-bottom: 10px;

    border-bottom: 1px solid var(--border);
}

.selected-files-header strong {
    color: #e6e8ec;

    font-size: 12px;
}

.clear-all-files {
    border: 0;

    background: transparent;

    color: var(--muted);

    font-size: 10px;
    font-weight: 700;

    cursor: pointer;
}

.clear-all-files:hover {
    color: var(--red);
}

.selected-files-list {
    display: flex;
    flex-direction: column;

    gap: 8px;

    max-height: 220px;

    overflow-y: auto;
}

.selected-file {
    display: flex;

    padding: 10px;

    background: #181b20;

    border: 1px solid var(--border);

    border-radius: 10px;

    align-items: center;

    gap: 11px;
}

.file-icon {
    width: 38px;
    height: 38px;

    border-radius: 9px;

    background: #20242b;

    display: flex;
    align-items: center;
    justify-content: center;

    color: var(--green);

    font-size: 8px;
    font-weight: 900;
}

.file-info {
    min-width: 0;

    flex: 1;
}

.file-info strong {
    display: block;

    overflow: hidden;

    color: #e6e8ec;

    font-size: 12px;

    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-info span {
    display: block;

    margin-top: 3px;

    color: var(--muted);

    font-size: 10px;
}

.remove-file {
    width: 30px;
    height: 30px;

    border: 0;

    border-radius: 50%;

    background: transparent;

    color: var(--muted);

    font-size: 20px;
}

.remove-file:hover {
    color: var(--red);
}


/* =========================
   BUTTON
========================= */

.scan-button,
.primary-button {
    width: 100%;

    margin-top: 13px;

    padding: 16px 17px;

    border: 0;

    border-radius: 12px;

    background: var(--green);

    color: #06130b;

    display: flex;
    align-items: center;
    justify-content: space-between;

    font-size: 11px;
    font-weight: 900;
    letter-spacing: .08em;

    transition:
        opacity .2s ease,
        transform .2s ease;
}

.scan-button:hover:not(:disabled),
.primary-button:hover {
    transform: translateY(-2px);
}

.scan-button:disabled {
    opacity: .25;

    cursor: not-allowed;
}


/* =========================
   ANALYSIS
========================= */

.analysis-card {
    margin-top: 18px;

    padding: 20px;

    background: var(--panel);

    border: 1px solid var(--border);

    border-radius: var(--radius);
}

.analysis-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;
}

.analysis-header h2 {
    margin-top: 5px;

    font-size: 20px;
    letter-spacing: -.03em;
}

.progress-wrap {
    position: relative;

    width: 105px;
    height: 105px;

    flex: 0 0 auto;
}

.progress-ring {
    width: 100%;
    height: 100%;

    transform: rotate(-90deg);
}

.ring-bg,
.ring-progress {
    fill: none;

    stroke-width: 7;
}

.ring-bg {
    stroke: #252830;
}

.ring-progress {
    stroke: var(--green);

    stroke-linecap: round;

    stroke-dasharray: 314;
    stroke-dashoffset: 314;

    transition: stroke-dashoffset .35s ease;
}

.progress-value {
    position: absolute;

    inset: 0;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.progress-value strong {
    font-size: 18px;
}

.progress-value span {
    margin-top: 2px;

    color: var(--muted);

    font-size: 7px;
    letter-spacing: .1em;
}


/* =========================
   STEPS
========================= */

.analysis-steps {
    margin-top: 28px;
}

.analysis-step {
    min-height: 65px;

    display: flex;
    align-items: center;

    gap: 12px;

    border-bottom: 1px solid #1d2025;
}

.step-number {
    width: 34px;
    height: 34px;

    border: 1px solid #30343c;

    border-radius: 9px;

    display: flex;
    align-items: center;
    justify-content: center;

    color: #626874;

    font-size: 9px;
    font-weight: 800;
}

.step-content {
    flex: 1;
}

.step-content strong {
    display: block;

    font-size: 12px;
}

.step-content span {
    display: block;

    margin-top: 3px;

    color: var(--muted);

    font-size: 10px;
}

.step-status {
    color: #535862;

    font-size: 16px;
}

.analysis-step.active .step-number {
    border-color: var(--green);

    color: var(--green);
}

.analysis-step.active .step-status {
    color: var(--orange);
}

.analysis-step.done .step-number {
    background: var(--green);

    border-color: var(--green);

    color: #06130b;
}

.analysis-step.done .step-status {
    color: var(--green);
}


/* =========================
   OCR
========================= */

.ocr-box {
    margin-top: 20px;

    padding: 15px;

    border-radius: 12px;

    background: #08090b;

    border: 1px solid #20232a;
}

.ocr-title {
    margin-bottom: 9px;

    color: var(--green);

    font-size: 9px;
    font-weight: 900;
    letter-spacing: .12em;
}

.ocr-box pre {
    max-height: 180px;

    overflow: auto;

    color: #969ca7;

    font-family: monospace;

    font-size: 10px;

    line-height: 1.6;

    white-space: pre-wrap;
}


/* =========================
   SIMULATION NOTE
========================= */

.simulation-note {
    margin-top: 20px;

    padding: 14px 15px;

    border: 1px solid rgba(255, 173, 92, .2);

    border-radius: 12px;

    background: rgba(255, 173, 92, .025);
}

.simulation-note strong {
    display: block;

    margin-bottom: 5px;

    color: var(--orange);

    font-size: 9px;

    letter-spacing: .1em;
}

.simulation-note span {
    display: block;

    color: #747985;

    font-size: 10px;

    line-height: 1.6;
}


/* =========================
   RESULT PAGE
========================= */

.result-page {
    padding-top: 65px;
}

.report-header {
    text-align: center;
}

.success-icon {
    width: 58px;
    height: 58px;

    margin: 0 auto 20px;

    border: 1px solid var(--green);

    border-radius: 50%;

    display: flex;
    align-items: center;
    justify-content: center;

    color: var(--green);

    font-size: 25px;

    box-shadow:
        0 0 30px rgba(99, 242, 155, .1);
}

.report-header h1 {
    font-size: clamp(38px, 9vw, 60px);
}

.report-header p {
    margin-left: auto;
    margin-right: auto;
}


/* =========================
   REPORT CARD
========================= */

.report-card {
    margin-top: 35px;

    padding: 20px;

    background: var(--panel);

    border: 1px solid var(--border);

    border-radius: var(--radius);
}

.report-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 15px;

    padding-bottom: 18px;

    border-bottom: 1px solid var(--border);
}

.report-label {
    display: block;

    color: var(--muted);

    font-size: 8px;
    letter-spacing: .12em;
}

.verified {
    display: block;

    margin-top: 4px;

    color: var(--green);

    font-size: 12px;
    letter-spacing: .08em;
}

.report-code {
    color: #626874;

    font-family: monospace;

    font-size: 9px;
}


/* =========================
   AMOUNT
========================= */

.amount-panel {
    padding: 28px 0;

    text-align: center;
}

.amount-panel span {
    display: block;

    color: var(--muted);

    font-size: 9px;

    letter-spacing: .13em;
}

.amount-panel strong {
    display: block;

    margin-top: 9px;

    color: var(--text);

    font-size: clamp(32px, 9vw, 52px);

    letter-spacing: -.04em;
}

.amount-panel small {
    display: block;

    max-width: 430px;

    margin: 10px auto 0;

    color: #646a75;

    font-size: 9px;

    line-height: 1.6;
}


/* =========================
   REPORT GRID
========================= */

.report-grid {
    display: grid;

    grid-template-columns: 1fr 1fr;

    border-top: 1px solid var(--border);
}

.report-item {
    padding: 15px 10px;

    border-bottom: 1px solid var(--border);
}

.report-item:nth-child(odd) {
    border-right: 1px solid var(--border);
}

.report-item span {
    display: block;

    color: #626874;

    font-size: 9px;
}

.report-item strong {
    display: block;

    margin-top: 5px;

    overflow: hidden;

    font-size: 11px;

    text-overflow: ellipsis;
    white-space: nowrap;
}

.report-item-wide {
    grid-column: 1 / -1;
}

.report-item-wide strong {
    white-space: normal;
}

.report-item-wide small {
    display: block;

    margin-top: 6px;

    color: var(--muted);

    font-size: 9px;
    line-height: 1.5;
}


/* =========================
   NEXT STEP
========================= */

.next-step-card {
    margin-top: 18px;

    padding: 20px;

    background:
        linear-gradient(
            135deg,
            rgba(99, 242, 155, .07),
            transparent 60%
        ),
        var(--panel);

    border: 1px solid rgba(99, 242, 155, .18);

    border-radius: var(--radius);

    display: flex;

    gap: 18px;
}

.next-step-number {
    width: 40px;
    height: 40px;

    flex: 0 0 auto;

    border-radius: 11px;

    background: var(--green);

    color: #06130b;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 10px;
    font-weight: 900;
}

.next-step-content {
    min-width: 0;
}

.next-step-content h2 {
    margin-top: 7px;

    font-size: 22px;

    letter-spacing: -.04em;
}

.next-step-content p {
    margin-top: 10px;

    color: var(--muted);

    font-size: 12px;

    line-height: 1.65;
}

.warning-box {
    margin-top: 15px;

    padding: 12px;

    border: 1px solid rgba(255, 173, 92, .18);

    border-radius: 10px;

    background: rgba(255, 173, 92, .025);
}

.warning-box strong {
    display: block;

    color: var(--orange);

    font-size: 9px;

    letter-spacing: .1em;
}

.warning-box span {
    display: block;

    margin-top: 5px;

    color: #737984;

    font-size: 9px;

    line-height: 1.6;
}

.next-step-content .primary-button {
    margin-top: 16px;
}


/* =========================
   BACK BUTTON
========================= */

.back-button {
    width: 100%;

    margin-top: 15px;

    padding: 13px;

    border: 1px solid var(--border);

    border-radius: 11px;

    background: transparent;

    color: #858b96;

    font-size: 10px;
    font-weight: 800;
    letter-spacing: .08em;
}

.back-button:hover {
    border-color: #454a54;

    color: var(--text);
}


/* =========================
   UTILITIES
========================= */

.hidden {
    display: none !important;
}


/* =========================
   MOBILE
========================= */

@media (max-width: 520px) {

    .topbar {
        padding: 13px 15px;
    }

    .brand-mark {
        width: 35px;
        height: 35px;
    }

    .brand strong {
        font-size: 11px;
    }

    .demo-badge {
        padding: 6px 8px;

        font-size: 7px;
    }

    .scanner-page,
    .result-page {
        padding: 38px 15px 55px;
    }

    .hero h1 {
        font-size: 43px;
    }

    .hero p {
        font-size: 12px;
    }

    .upload-card,
    .analysis-card,
    .report-card,
    .next-step-card {
        padding: 15px;
    }

    .analysis-header {
        align-items: flex-start;
    }

    .progress-wrap {
        width: 82px;
        height: 82px;
    }

    .progress-value strong {
        font-size: 14px;
    }

    .next-step-card {
        gap: 12px;
    }

    .next-step-number {
        width: 34px;
        height: 34px;
    }

    .next-step-content h2 {
        font-size: 19px;
    }

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

    .report-item:nth-child(odd) {
        border-right: 0;
    }

    .report-item:last-child {
        border-bottom: 0;
    }

}