/* ── Variables ────────────────────────────────────────────────────────────── */
:root {
    --bg: #0d0e0f;
    --surface: #141516;
    --border: rgba(255,255,255,0.08);
    --text-1: #e8e8e9;
    --text-2: #a0a0a8;
    --text-3: #5a5a66;
    --accent: #f5a623;
    --green: #3ecf6b;
    --red: #f05454;
    --mono: "Geist Mono","JetBrains Mono","Fira Code",ui-monospace,monospace;
    --sans: "Geist",-apple-system,"Segoe UI",sans-serif;
}

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

html, body {
    height: 100%
}

body {
    background: var(--bg);
    color: var(--text-1);
    font-family: var(--sans);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased
}

a {
    color: inherit;
    text-decoration: none
}

button {
    font-family: inherit;
    cursor: pointer
}

/* ── Layout (Modifié pour le centrage vertical global et les fonds) ───────── */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 2rem 1rem;
    background: radial-gradient(ellipse 60% 50% at 50% -10%,rgba(245,166,35,.06) 0%,transparent 70%), var(--bg);
}

.page-center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin: 2rem 0;
}

/* ── Global Header (Logo du haut ajouté) ──────────────────────────────────── */
.global-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.global-logo svg {
    display: block;
    width: 56px;
    height: 56px;
    color: var(--text-1);
}

.global-brand {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--text-1);
}

.brand-arrow {
    color: var(--accent);
}

/* ── Global Footer (Lien GitHub du bas ajouté) ────────────────────────────── */
.global-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 1rem;
    margin-top: auto;
}

.github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-3);
    font-size: 0.85rem;
    transition: color .15s ease, transform .15s ease;
}

    .github-link svg {
        display: block;
    }

    .github-link:hover {
        color: var(--text-1);
        transform: translateY(-1px);
    }

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem 2.5rem;
    width: 100%;
    max-width: 560px;
    display: flex;
    flex-direction: column;
    gap: 1.25rem
}

.card--narrow {
    max-width: 380px;
    text-align: center
}
/* ── Header ───────────────────────────────────────────────────────────────── */
.card-header {
    display: flex;
    align-items: center;
    gap: 1rem
}

.logo-icon {
    color: var(--text-3);
    flex-shrink: 0
}

    .logo-icon svg {
        display: block;
        width: 44px;
        height: 44px
    }

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -.02em
}

.card-sub {
    font-size: .8rem;
    color: var(--text-2);
    margin-top: 2px
}
/* ── Drop zone ────────────────────────────────────────────────────────────── */
.drop-zone-wrapper {
    position: relative
}

.drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: 2rem 1.5rem;
    border: 1.5px dashed var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color .15s,background .15s;
    text-align: center;
    color: var(--text-2)
}

    .drop-zone:hover, .drop-zone--over {
        border-color: var(--accent);
        background: rgba(245,166,35,.04);
        color: var(--text-1)
    }

.dz-icon {
    width: 40px;
    height: 40px;
    opacity: .45;
    transition: opacity .15s
}

.drop-zone:hover .dz-icon, .drop-zone--over .dz-icon {
    opacity: .75
}

.dz-title {
    font-size: .9rem;
    font-weight: 600;
    font-family: var(--mono);
    color: var(--text-1)
}

.dz-sub {
    font-size: .75rem;
    color: var(--text-3)
}

.file-hidden {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%
}
/* ── Alert ────────────────────────────────────────────────────────────────── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: .5rem;
    padding: .75rem 1rem;
    border-radius: 8px;
    font-size: .82rem;
    line-height: 1.5
}

.alert--error {
    background: rgba(240,84,84,.1);
    border: 1px solid rgba(240,84,84,.25);
    color: #f9a0a0
}
/* ── Feature list ─────────────────────────────────────────────────────────── */
.feature-list {
    list-style: none;
    font-size: .8rem;
    color: var(--text-2);
    display: flex;
    flex-direction: column;
    gap: .3rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem
}

.feat-ok {
    color: var(--green);
    margin-right: .4rem
}

.feat-warn {
    color: var(--accent);
    margin-right: .4rem
}
/* ── Spinner ──────────────────────────────────────────────────────────────── */
.spinner-wrap {
    display: flex;
    justify-content: center;
    padding: 1rem 0 .5rem
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .8s linear infinite
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

.converting-label {
    font-size: 1rem;
    font-weight: 600
}

.converting-sub {
    font-size: .75rem;
    color: var(--text-3)
}
/* ── Success / Error ─────────────────────────────────────────────────────── */
.success-icon, .error-icon {
    display: flex;
    justify-content: center;
    padding: .5rem 0
}

    .success-icon svg {
        width: 52px;
        height: 52px
    }

.error-icon {
    font-size: 2.5rem;
    color: var(--red)
}

.done-title {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -.02em;
    text-align: center
}

.done-sub {
    font-size: .75rem;
    color: var(--text-3);
    text-align: center;
    margin-top: -.75rem
}
/* ── Stats ────────────────────────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: .5rem
}

.stat {
    background: rgba(255,255,255,.03);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: .6rem .75rem;
    display: flex;
    flex-direction: column;
    gap: 2px
}

.stat-n {
    font-size: 1.35rem;
    font-weight: 700;
    font-family: var(--mono);
    line-height: 1
}

.stat span:last-child {
    font-size: .7rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: .06em
}
/* ── Download button ─────────────────────────────────────────────────────── */
.btn-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .75rem 1.5rem;
    background: var(--accent);
    color: #1a0e00;
    font-weight: 700;
    font-size: .9rem;
    border-radius: 8px;
    transition: opacity .15s,transform .1s;
    border: none;
    cursor: pointer
}

    .btn-download:hover {
        opacity: .9;
        transform: translateY(-1px)
    }

    .btn-download:active {
        transform: translateY(0)
    }
/* ── Commands ─────────────────────────────────────────────────────────────── */
.cmd-section {
    display: flex;
    flex-direction: column;
    gap: .5rem
}

.cmd-block {
    background: rgba(0,0,0,.4);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: .6rem .85rem;
    display: flex;
    align-items: center;
    gap: .75rem;
    overflow: hidden
}

.cmd-label {
    font-size: .65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--accent);
    font-family: var(--mono);
    flex-shrink: 0;
    background: rgba(245,166,35,.1);
    padding: 2px 6px;
    border-radius: 4px
}

.cmd-code {
    font-family: var(--mono);
    font-size: .75rem;
    color: var(--text-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    user-select: all
}
/* ── Warnings ─────────────────────────────────────────────────────────────── */
.warn-details {
    font-size: .8rem;
    color: var(--text-3)
}

    .warn-details summary {
        cursor: pointer;
        color: var(--accent);
        padding: .25rem 0;
        font-size: .78rem
    }

.warn-list {
    padding: .5rem 0 0 1rem;
    display: flex;
    flex-direction: column;
    gap: .25rem;
    color: var(--text-2)
}
/* ── Reset button ─────────────────────────────────────────────────────────── */
.btn-reset {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    width: 100%;
    padding: .65rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-2);
    font-size: .82rem;
    transition: border-color .15s,color .15s
}

    .btn-reset:hover {
        border-color: var(--text-3);
        color: var(--text-1)
    }

@media(max-width:600px) {
    .card {
        padding: 1.5rem 1.25rem
    }

    .stats-grid {
        grid-template-columns: repeat(2,1fr)
    }

    .cmd-code {
        font-size: .65rem
    }

    .app-container {
        padding: 1rem 0.5rem
    }
}