:root {
    --sky: #0ea5e9;
    --sky-dark: #0284c7;
    --sky-pale: #e0f2fe;
    --sky-bg: #f0f9ff;
    --navy: #0c4a6e;
    --ink: #0f172a;
    --ink-soft: #64748b;
    --rule: #bae6fd;
    --paper: #f0f9ff;
    --paper-raised: #ffffff;

    --hp-color: #16a34a;
    --epson-color: #0ea5e9;
    --canon-color: #dc2626;
    --kodak-color: #eab308;
    --autre-color: #94a3b8;

    --accent: #0ea5e9;
    --accent-dark: #0284c7;
    --accent-ink: #ffffff;

    --danger: #dc2626;
    --success: #16a34a;

    --radius: 14px;
    --radius-sm: 20px;
    --font-body: 'Inter', 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

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

html, body {
    background: var(--sky-bg);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.5;
    overflow-x: hidden;
    width: 100%;
}

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

h1, h2, h3 { margin: 0 0 8px 0; color: var(--navy); }
h1 { font-size: 1.4rem; font-weight: 700; }
h2 { font-size: 1.1rem; font-weight: 600; border-bottom: 2px solid var(--sky-pale); padding-bottom: 8px; }

/* ============ NAVBAR ============ */
.navbar {
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 0.5px solid var(--sky-pale);
    box-shadow: 0 2px 12px rgba(14,165,233,0.08);
    position: relative;
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--sky-dark);
}

.navbar-toggle {
    display: none;
    background: var(--sky-pale);
    border: none;
    color: var(--sky-dark);
    font-size: 1.3rem;
    border-radius: 10px;
    padding: 6px 12px;
    cursor: pointer;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.88rem;
    flex-wrap: wrap;
}

.navbar-links a {
    color: var(--ink-soft);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    transition: background 0.15s, color 0.15s;
}

.navbar-links a:hover {
    background: var(--sky-pale);
    color: var(--sky-dark);
}

.navbar-section {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--sky);
    padding: 4px 10px;
    background: var(--sky-pale);
    border-radius: var(--radius-sm);
    margin-left: 6px;
}

.navbar-user {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-soft);
    padding: 6px 12px;
}

.navbar-logout {
    background: var(--sky-pale);
    color: var(--sky-dark);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.navbar-logout:hover {
    background: var(--sky);
    color: #fff;
}

/* ============ LAYOUT ============ */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 20px 80px;
    width: 100%;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.card {
    background: var(--paper-raised);
    border: 0.5px solid var(--rule);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 2px 12px rgba(14,165,233,0.07);
    width: 100%;
}

/* ============ AUTH PAGES ============ */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--sky-bg);
    padding: 20px;
}

.auth-box {
    background: var(--paper-raised);
    border: 0.5px solid var(--rule);
    border-radius: 20px;
    padding: 36px 28px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 8px 32px rgba(14,165,233,0.12);
}

.auth-box h1 { text-align: center; margin-bottom: 4px; color: var(--sky-dark); }
.subtitle {
    text-align: center;
    color: var(--ink-soft);
    font-size: 0.85rem;
    margin-bottom: 28px;
}

/* ============ FORMS ============ */
form { display: flex; flex-direction: column; width: 100%; }

label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-soft);
    margin: 14px 0 5px;
}

label:first-of-type { margin-top: 0; }

input[type="text"],
input[type="password"],
input[type="file"],
select {
    border: 1.5px solid var(--rule);
    border-radius: 10px;
    padding: 10px 14px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: #fff;
    color: var(--ink);
    transition: border-color 0.15s;
    width: 100%;
    max-width: 100%;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--sky);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-block;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    text-align: center;
    transition: background 0.15s, transform 0.1s;
}

.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--sky); color: #fff; margin-top: 20px; }
.btn-primary:hover { background: var(--sky-dark); }
.btn-secondary { background: var(--sky-pale); color: var(--sky-dark); border: none; }
.btn-secondary:hover { background: #bae6fd; }
.btn-danger { background: #fee2e2; color: var(--danger); border: none; }
.btn-danger:hover { background: #fecaca; }
.btn-sm { padding: 6px 14px; font-size: 0.78rem; }

/* ============ ALERTS ============ */
.alert {
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 18px;
    font-size: 0.9rem;
    font-weight: 500;
}
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-success { background: #dcfce7; color: #166534; }

/* ============ SEARCH BAR ============ */
.search-bar {
    display: flex;
    flex-direction: row;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    width: 100%;
}
.search-bar input[type="text"] { flex: 1; min-width: 0; margin: 0; }
.search-bar .btn { margin: 0; white-space: nowrap; }

/* ============ BRAND TABS ============ */
.brand-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    width: 100%;
}

.tab {
    font-size: 0.98rem;
    font-weight: 600;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    color: var(--ink-soft);
    background: #fff;
    border: 1.5px solid var(--rule);
    box-shadow: 0 2px 8px rgba(14,165,233,0.06);
    transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.12s, box-shadow 0.15s;
    white-space: nowrap;
}

.tab:hover {
    background: var(--sky-pale);
    color: var(--sky-dark);
    border-color: var(--sky);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(14,165,233,0.14);
}

.tab:active { transform: translateY(0); }

.tab.active {
    background: var(--sky);
    color: #fff;
    border-color: var(--sky);
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(14,165,233,0.3);
}

.tab-hp.active { background: var(--hp-color); border-color: var(--hp-color); box-shadow: 0 4px 16px rgba(22,163,74,0.3); }
.tab-epson.active { background: var(--epson-color); border-color: var(--epson-color); box-shadow: 0 4px 16px rgba(14,165,233,0.3); }
.tab-canon.active { background: var(--canon-color); border-color: var(--canon-color); box-shadow: 0 4px 16px rgba(220,38,38,0.3); }
.tab-kodak.active { background: var(--kodak-color); border-color: var(--kodak-color); box-shadow: 0 4px 16px rgba(234,179,8,0.3); }
.tab-autre.active { background: var(--autre-color); border-color: var(--autre-color); box-shadow: 0 4px 16px rgba(148,163,184,0.3); }

@media (max-width: 768px) {
    .tab {
        font-size: 0.88rem;
        padding: 10px 18px;
        flex: 1 1 auto;
        text-align: center;
    }
}

/* ============ BRAND BADGE ============ */
.brand-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 3px 12px;
    border-radius: var(--radius-sm);
    color: #fff;
}
.brand-hp { background: var(--hp-color); }
.brand-epson { background: var(--epson-color); }
.brand-canon { background: var(--canon-color); }
.brand-kodak { background: var(--kodak-color); }
.brand-autre { background: var(--autre-color); }

/* ============ MANUAL GRID ============ */
.manual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
    gap: 14px;
    width: 100%;
}

.manual-card {
    background: var(--paper-raised);
    border: 0.5px solid var(--rule);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: 0 2px 10px rgba(14,165,233,0.07);
    transition: box-shadow 0.2s, transform 0.2s;
    width: 100%;
    min-width: 0;
}

.manual-card:hover {
    box-shadow: 0 6px 24px rgba(14,165,233,0.15);
    transform: translateY(-2px);
}

.manual-card-header { margin-bottom: 4px; }

.manual-card h3 {
    font-size: 0.92rem;
    font-weight: 600;
    margin: 0;
    color: var(--navy);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-all;
}

.manual-model, .manual-tags {
    font-size: 0.82rem;
    color: var(--ink-soft);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.manual-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: #93c5fd;
    margin: 4px 0 0;
}

.manual-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

/* ============ EMPTY STATE ============ */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--ink-soft);
}
.empty-state p { margin-bottom: 16px; }

/* ============ ADMIN ============ */
.admin-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.admin-tab {
    font-size: 0.88rem;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    color: var(--ink-soft);
    background: #fff;
    border: 0.5px solid var(--rule);
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.admin-tab:hover { background: var(--sky-pale); color: var(--sky-dark); }
.admin-tab.active { background: var(--sky); color: #fff; border-color: var(--sky); }

.admin-section { display: flex; flex-direction: column; gap: 16px; }

.admin-card {
    background: #fff;
    border: 0.5px solid var(--rule);
    border-radius: var(--radius);
    padding: 14px 16px;
    width: 100%;
}

.admin-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px;
}

.admin-card-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.admin-filename {
    font-size: 0.82rem;
    color: var(--ink-soft);
    margin-left: 6px;
    font-family: var(--font-mono);
    word-break: break-all;
}

.admin-ext {
    font-size: 0.72rem;
    font-weight: 700;
    background: var(--sky-pale);
    color: var(--sky-dark);
    padding: 2px 8px;
    border-radius: 20px;
    margin-left: 6px;
}

.admin-card-meta {
    font-size: 0.82rem;
    color: var(--ink-soft);
    margin-top: 8px;
}

.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(200px, 100%), 1fr));
    gap: 12px;
    margin-top: 14px;
}

.admin-edit-form {
    border-top: 0.5px solid var(--sky-pale);
    margin-top: 12px;
    padding-top: 12px;
}

.drop-zone {
    border: 2px dashed var(--rule);
    border-radius: var(--radius);
    background: var(--sky-bg);
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.drop-zone:hover {
    border-color: var(--sky);
    background: var(--sky-pale);
}

.drop-zone.drag-over {
    border-color: var(--sky);
    background: var(--sky-pale);
    color: var(--sky-dark);
}

.progress-wrapper { margin-top: 14px; }
.progress-header { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 6px; color: var(--ink-soft); }
.progress-track { background: var(--sky-pale); border-radius: 20px; height: 10px; overflow: hidden; }
.progress-bar { height: 100%; width: 0%; background: var(--sky); border-radius: 20px; transition: width 0.2s; }
.progress-size { font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-soft); margin: 6px 0 0; }

/* ============ ACCESSIBILITY ============ */
:focus-visible { outline: 2px solid var(--sky); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

/* ============ RESPONSIVE MOBILE ============ */
@media (max-width: 768px) {

    .navbar { padding: 12px 16px; }
    .navbar-toggle { display: block; }

    .navbar-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 12px 0 4px;
        border-top: 0.5px solid var(--sky-pale);
    }

    .navbar-links.open {
        display: flex;
    }

    .navbar-links a,
    .navbar-user,
    .navbar-logout {
        width: 100%;
    }
}