:root {
    --primary: #2563eb;
    --text: #0f172a;
    --muted: #64748b;
    --bg: #f8fafc;
    --card: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --border: #e2e8f0;
    --shadow: 0 18px 55px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background: var(--bg);
}

a {
    color: inherit;
}

.page-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 48px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 56px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.1rem;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    color: #fff;
    background: var(--primary);
}

.domain {
    color: var(--muted);
    font-size: 0.95rem;
}

.hero {
    padding: 4px 0 34px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 32px;
    align-items: end;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 0;
}

h1 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(2.4rem, 7vw, 4.8rem);
    line-height: 0.98;
    letter-spacing: 0;
}

.lead {
    max-width: 680px;
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 1.12rem;
    line-height: 1.7;
}

.status-panel,
.upload-card,
.privacy-note {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.status-panel {
    display: flex;
    gap: 14px;
    padding: 20px;
}

.status-panel p {
    margin: 4px 0 0;
    color: var(--muted);
}

.status-dot {
    flex: 0 0 auto;
    width: 12px;
    height: 12px;
    margin-top: 5px;
    border-radius: 999px;
    background: var(--success);
    box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.14);
}

.tool {
    display: grid;
    gap: 22px;
    margin-top: 26px;
}

.upload-card {
    padding: 18px;
}

.dropzone {
    width: 100%;
    min-height: 280px;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 10px;
    border: 2px dashed #bfd0f5;
    border-radius: 8px;
    color: var(--text);
    background: #fff;
    cursor: pointer;
    transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.dropzone:hover,
.dropzone.is-dragover {
    border-color: var(--primary);
    background: #f8fbff;
    transform: translateY(-1px);
}

.upload-icon {
    display: grid;
    place-items: center;
    width: 72px;
    height: 72px;
    border-radius: 8px;
    color: var(--primary);
    background: #eff6ff;
}

.drop-title {
    font-size: 1.45rem;
    font-weight: 850;
}

.drop-subtitle,
.drop-meta {
    color: var(--muted);
}

.drop-meta {
    font-size: 0.92rem;
}

.progress-wrap {
    margin-top: 16px;
}

.progress-bar {
    height: 10px;
    overflow: hidden;
    border-radius: 999px;
    background: #e2e8f0;
}

.progress-bar span {
    display: block;
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: var(--primary);
    transition: width 180ms ease;
}

#progressText {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-size: 0.94rem;
}

.message {
    min-height: 24px;
    margin-top: 14px;
    color: var(--muted);
}

.message.error {
    color: var(--error);
}

.message.success {
    color: var(--success);
}

.results {
    display: grid;
    gap: 16px;
}

.result-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.result-toolbar h2 {
    margin: 0;
    font-size: 1.35rem;
}

.toolbar-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    background: #fff;
    text-decoration: none;
    font-weight: 750;
    cursor: pointer;
}

.btn.primary {
    color: #fff;
    border-color: var(--primary);
    background: var(--primary);
}

.btn.danger {
    color: var(--error);
}

.result-card {
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.result-head {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 14px;
}

.file-name {
    margin: 0;
    overflow-wrap: anywhere;
    font-weight: 850;
}

.file-meta {
    color: var(--muted);
    white-space: nowrap;
}

.output-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.output {
    display: grid;
    gap: 8px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fbfdff;
}

.format {
    font-weight: 850;
    text-transform: uppercase;
}

.saving {
    color: var(--success);
    font-weight: 800;
}

.output-error {
    color: var(--warning);
    font-size: 0.92rem;
    line-height: 1.35;
}

.privacy-note {
    margin-top: 24px;
    padding: 22px;
}

.privacy-note h2 {
    margin: 0 0 8px;
    font-size: 1.15rem;
}

.privacy-note p {
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
}

@media (max-width: 820px) {
    .hero-grid,
    .output-grid {
        grid-template-columns: 1fr;
    }

    .status-panel {
        align-items: flex-start;
    }

    .result-toolbar,
    .result-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .file-meta {
        white-space: normal;
    }
}

@media (max-width: 560px) {
    .page-shell {
        width: min(100% - 22px, 1120px);
        padding-top: 18px;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
        margin-bottom: 40px;
    }

    .dropzone {
        min-height: 240px;
        padding: 18px;
    }

    .drop-title {
        font-size: 1.25rem;
    }

    .toolbar-actions,
    .btn {
        width: 100%;
    }
}

.result-list {
    display: grid;
    gap: 12px;
}

.result-row {
    display: grid;
    grid-template-columns: minmax(220px, 1.15fr) minmax(360px, 1.8fr) auto;
    align-items: center;
    gap: 18px;
    padding: 14px;
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
    animation: rowIn 260ms ease both;
}

.result-row:hover {
    border-color: #cbd5e1;
}

.result-row-error {
    grid-template-columns: minmax(220px, 0.8fr) 1fr;
}

.file-summary {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 13px;
}

.thumb {
    width: 60px;
    height: 60px;
    flex: 0 0 60px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #f1f5f9;
    object-fit: cover;
}

.thumb-fallback {
    background:
        linear-gradient(135deg, #eff6ff, #f8fafc);
}

.file-copy {
    min-width: 0;
}

.result-row .file-name {
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.98rem;
}

.result-row .file-meta {
    display: block;
    margin-top: 5px;
    color: #64748b;
    font-size: 0.88rem;
}

.format-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(104px, 1fr));
    gap: 10px;
}

.format-card {
    min-height: 84px;
    display: grid;
    align-content: center;
    gap: 5px;
    padding: 11px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #ffffff;
    color: var(--text);
    text-decoration: none;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.format-card[href]:hover {
    transform: translateY(-2px);
    border-color: #bfdbfe;
    background: #fbfdff;
}

.format-jpg {
    background: linear-gradient(180deg, rgba(236, 254, 255, 0.78), #ffffff 72%);
}

.format-png {
    background: linear-gradient(180deg, rgba(239, 246, 255, 0.84), #ffffff 72%);
}

.format-webp {
    background: linear-gradient(180deg, rgba(245, 243, 255, 0.86), #ffffff 72%);
}

.format-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.format-badge {
    width: fit-content;
    padding: 3px 7px;
    border: 1px solid rgba(148, 163, 184, 0.28);
    border-radius: 999px;
    color: #334155;
    background: rgba(255, 255, 255, 0.72);
    font-size: 0.72rem;
    font-weight: 850;
    text-transform: uppercase;
}

.success-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
}

.format-card .saving {
    font-size: 1.28rem;
    line-height: 1;
    font-weight: 900;
}

.saving.is-smaller {
    color: #059669;
}

.saving.is-larger {
    color: var(--error);
}

.final-size {
    color: #64748b;
    font-size: 0.88rem;
    font-weight: 700;
}

.format-card.is-disabled {
    color: #94a3b8;
    background: #f8fafc;
}

.row-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 40px;
    padding: 0 12px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    color: #334155;
    background: #ffffff;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.icon-btn:hover {
    transform: translateY(-1px);
    border-color: #cbd5e1;
    background: #f8fafc;
}

.icon-btn.danger {
    color: var(--error);
}

.icon-btn svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@keyframes rowIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 980px) {
    .result-row {
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .row-actions {
        justify-content: flex-start;
    }
}

@media (max-width: 620px) {
    .result-row {
        padding: 12px;
        border-radius: 12px;
    }

    .format-strip {
        grid-template-columns: 1fr;
    }

    .format-card {
        min-height: 76px;
    }

    .row-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .icon-btn {
        width: 100%;
    }

    .result-row .file-name {
        max-width: 100%;
    }
}