:root {
    --fixmyfile-bg: #071321;
    --fixmyfile-bg-deep: #040c16;
    --fixmyfile-panel: #0c1b2c;
    --fixmyfile-panel-raised: #11243a;
    --fixmyfile-border: #29435f;
    --fixmyfile-border-soft: rgba(73, 116, 158, .3);
    --fixmyfile-accent: #21c7f3;
    --fixmyfile-blue: #1683ff;
    --fixmyfile-text: #f7f9fc;
    --fixmyfile-muted: #b4c4d8;
}

body {
    background: var(--fixmyfile-bg);
    color: var(--fixmyfile-text);
}

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

.content-shell {
    padding-bottom: 5rem;
}

.content-width {
    max-width: 100%;
}

.brand {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -.02em;
}

.content-shell .eyebrow {
    color: var(--fixmyfile-accent);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .2em;
    line-height: 1.4;
    text-transform: uppercase;
}

.eyebrow-arrow {
    display: inline-block;
    margin: 0 .35rem;
    font-size: 1rem;
    letter-spacing: 0;
}

.hero-title {
    max-width: 800px;
    margin: 0;
    color: var(--fixmyfile-text);
    font-size: clamp(2.75rem, 7vw, 4.75rem);
    font-weight: 700;
    letter-spacing: -.055em;
    line-height: .99;
}

.hero-title span {
    color: var(--fixmyfile-blue);
    background: linear-gradient(110deg, #68d7ff 0%, #1683ff 85%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 40px;
}

.hero-summary {
    max-width: 720px;
    margin: 1.5rem 0 0;
    color: var(--fixmyfile-muted);
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    line-height: 1.55;
}

.upload-panel {
    margin-top: 2.75rem;
}

.section-label {
    margin: 0 0 .75rem;
    color: var(--fixmyfile-text);
    font-size: 1rem;
    font-weight: 700;
}

.dropzone {
    display: flex;
    min-height: 208px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: .7rem;
    padding: 2.5rem;
    color: var(--fixmyfile-text);
    background: linear-gradient(145deg, rgba(17, 36, 58, .66), rgba(8, 24, 40, .82));
    border: 1px dashed #3c6690;
    border-radius: .9rem;
    cursor: pointer;
    text-align: center;
    transition: background-color .15s ease, border-color .15s ease, transform .15s ease;
}

.dropzone:hover,
.dropzone.is-dragging,
.dropzone:focus-within {
    background: linear-gradient(145deg, rgba(23, 61, 94, .8), rgba(8, 28, 48, .9));
    border-color: var(--fixmyfile-accent);
}

.dropzone:focus-within {
    outline: 0;
    box-shadow: 0 0 0 .25rem rgba(33, 199, 243, .18);
}

.dropzone.is-disabled {
    cursor: not-allowed;
    opacity: .6;
}

.upload-icon {
    display: inline-flex;
    width: 4.25rem;
    height: 4.25rem;
    align-items: center;
    justify-content: center;
    margin-bottom: .35rem;
    color: var(--fixmyfile-blue);
    background: rgba(26, 82, 135, .35);
    border-radius: 50%;
}

.upload-icon svg {
    width: 2rem;
    height: 2rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.dropzone-title {
    font-size: 1rem;
    font-weight: 600;
}

.dropzone-link {
    color: #37aeff;
    text-decoration: underline;
    text-underline-offset: .18em;
}

.dropzone-help {
    color: var(--fixmyfile-muted);
    font-size: .875rem;
}

.file-list {
    display: grid;
    gap: .5rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.file-list:empty {
    display: none;
}

.file-row {
    color: var(--fixmyfile-muted);
    background: rgba(17, 36, 58, .68);
    border: 1px solid var(--fixmyfile-border-soft);
}

.file-list .file-row,
#uploaded-file-list .file-row {
    border-radius: .65rem;
}

.upload-message,
.upload-status {
    min-height: 1.25rem;
    margin: .65rem 0 0;
    color: var(--fixmyfile-muted);
    font-size: .875rem;
}

.upload-message.text-danger {
    color: #ff9eaa;
}

.upload-message.text-warning {
    color: #fbd27c;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 1.25rem;
}

.content-shell .btn-primary,
.content-shell .btn-outline-secondary {
    min-height: 46px;
    padding: .7rem 1.45rem;
    border-radius: .55rem;
    font-weight: 700;
}

.content-shell .btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #1683ff, #0766d5);
    border-color: #1683ff;
    box-shadow: 0 .55rem 1.25rem rgba(4, 109, 220, .25);
}

.content-shell .btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #43a2ff, #1683ff);
    border-color: #43a2ff;
}

.content-shell .btn-outline-secondary {
    color: var(--fixmyfile-muted);
    border-color: var(--fixmyfile-border);
}

.content-shell .btn-outline-secondary:hover:not(:disabled) {
    color: var(--fixmyfile-text);
    background: rgba(42, 78, 112, .35);
    border-color: #5b83aa;
}

.content-shell .btn-outline-info {
    min-height: 46px;
    padding: .7rem 1.45rem;
    color: #78dcff;
    border-color: rgba(33, 199, 243, .65);
    border-radius: .55rem;
    font-weight: 700;
}

.content-shell .btn-outline-info:hover:not(:disabled) {
    color: #fff;
    background: rgba(33, 199, 243, .16);
    border-color: var(--fixmyfile-accent);
}

.content-shell button:focus-visible,
.content-shell a:focus-visible,
.content-shell select:focus-visible,
.content-shell input:focus-visible {
    outline: 0;
    box-shadow: 0 0 0 .25rem rgba(33, 199, 243, .28);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2.5rem;
    margin-top: 3.75rem;
}

.feature-card {
    min-width: 0;
}

.feature-icon {
    display: inline-flex;
    width: 3.75rem;
    height: 3.75rem;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: #1683ff;
    background: rgba(24, 86, 139, .28);
    border-radius: .7rem;
}

.feature-icon svg {
    width: 2rem;
    height: 2rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.feature-card h2 {
    margin: 0;
    color: var(--fixmyfile-text);
    font-size: 1.1rem;
    font-weight: 700;
}

.feature-card p,
.platform-card p {
    margin: .55rem 0 0;
    color: var(--fixmyfile-muted);
    font-size: .95rem;
    line-height: 1.55;
}

.platform-section {
    margin-top: 5rem;
    padding-top: .25rem;
}

.section-title {
    margin: 0;
    color: var(--fixmyfile-text);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -.04em;
}

.section-summary {
    margin: .8rem 0 0;
    color: var(--fixmyfile-muted);
    font-size: 1.15rem;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    margin-top: 1.75rem;
}

.platform-card {
    display: flex;
    min-height: 126px;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    background: rgba(17, 36, 58, .7);
    border: 1px solid var(--fixmyfile-border-soft);
    border-radius: .75rem;
}

.platform-mark {
    display: inline-flex;
    width: 3.5rem;
    height: 3.5rem;
    flex: 0 0 3.5rem;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -.08em;
    border-radius: .65rem;
}

.platform-mark-prestashop {
    background: linear-gradient(135deg, #f4a84a, #df4f9b);
}

.platform-mark-wordpress {
    background: linear-gradient(135deg, #2475b8, #125084);
    font-family: Georgia, serif;
    font-size: 1.8rem;
    letter-spacing: 0;
}

.platform-card h3 {
    margin: 0;
    color: var(--fixmyfile-text);
    font-size: 1.05rem;
    font-weight: 700;
}

.platform-card p {
    margin-top: .35rem;
    font-size: .9rem;
}

.manual-testing-panel {
    max-width: 600px;
    margin-top: 4rem;
    padding: 1.25rem;
    opacity: .8;
}

.manual-testing-panel pre {
    color: #8ca5bd;
    background: rgba(4, 12, 22, .45);
    border-radius: .4rem;
}

#configuration-view,
#result-view {
    padding: 2.5rem;
    background: rgba(12, 27, 44, .72);
    border: 1px solid var(--fixmyfile-border-soft);
    border-radius: 1rem;
}

#configuration-view .form-label {
    color: var(--fixmyfile-text);
}

#configuration-view .form-select {
    color: var(--fixmyfile-text);
    background-color: #081727;
    border-color: var(--fixmyfile-border);
}

#configuration-view .form-select:focus {
    border-color: var(--fixmyfile-accent);
    box-shadow: 0 0 0 .25rem rgba(33, 199, 243, .18);
}

#result-report .file-row {
    padding: 1rem;
}

.tier-selection {
    margin-top: 1.5rem;
}

.tier-selection-heading {
    margin-bottom: 1rem;
}

.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .85rem;
}

.tier-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    color: var(--fixmyfile-text);
    background: rgba(17, 36, 58, .72);
    border: 1px solid var(--fixmyfile-border-soft);
    border-radius: .75rem;
    transition: border-color .15s ease, background-color .15s ease, transform .15s ease;
}

.tier-card.is-selected {
    background: linear-gradient(145deg, rgba(21, 70, 107, .86), rgba(12, 36, 61, .9));
    border-color: var(--fixmyfile-accent);
    box-shadow: 0 0 0 .15rem rgba(33, 199, 243, .12);
    transform: translateY(-2px);
}

.tier-card.is-unavailable {
    opacity: .55;
}

.tier-card-select {
    display: flex;
    min-height: 8.75rem;
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    color: inherit;
    background: transparent;
    border: 0;
    text-align: left;
}

.tier-card-select:not(:disabled) {
    cursor: pointer;
}

.tier-card-label {
    color: var(--fixmyfile-text);
    font-size: 1.1rem;
    font-weight: 700;
}

.tier-card-price {
    margin-top: .35rem;
    color: var(--fixmyfile-accent);
    font-size: 1.35rem;
    font-weight: 800;
}

.tier-card-description {
    margin-top: .75rem;
    color: var(--fixmyfile-muted);
    font-size: .9rem;
    line-height: 1.5;
}

.tier-add-button {
    width: 100%;
    min-height: 42px;
    padding: .55rem .8rem;
    font-size: .9rem;
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: clamp(2.35rem, 11vw, 3.7rem);
    }

    .feature-grid,
    .platform-grid,
    .tier-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        gap: 2rem;
    }

    #configuration-view,
    #result-view {
        padding: 1.5rem;
    }
}

@media (max-width: 575.98px) {
    .content-shell {
        padding-bottom: 3rem;
    }

    .hero-title br {
        display: none;
    }

    .dropzone {
        min-height: 190px;
        padding: 1.5rem;
    }

    .action-row > .btn {
        flex: 1 1 auto;
    }

    .platform-card {
        min-height: 110px;
    }
}