/* =========================================================================
   Docx PDF Converter — frontend styles
   ========================================================================= */

.dpc-app {
    --dpc-accent: #2563eb;
    --dpc-accent-dark: #1d4ed8;
    --dpc-border: #e2e8f0;
    --dpc-bg: #f8fafc;
    --dpc-text: #0f172a;
    --dpc-muted: #64748b;
    --dpc-radius: 10px;

    max-width: 780px;
    margin: 1.5rem auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--dpc-text);
    line-height: 1.55;
}

/* ---------- Title ---------- */
.dpc-title {
    margin: 0 0 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

/* ---------- Tabs ---------- */
.dpc-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px;
    background: var(--dpc-bg);
    border: 1px solid var(--dpc-border);
    border-radius: var(--dpc-radius);
    margin-bottom: 1rem;
}

.dpc-tab {
    flex: 1 1 auto;
    min-width: 110px;
    padding: 0.6rem 0.9rem;
    border: 0;
    background: transparent;
    border-radius: 7px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dpc-muted);
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
}

.dpc-tab:hover {
    background: #eef2f7;
    color: var(--dpc-text);
}

.dpc-tab.is-active {
    background: #fff;
    color: var(--dpc-accent);
    box-shadow: 0 1px 3px rgba(15, 23, 42, .08);
}

.dpc-tab:focus-visible {
    outline: 2px solid var(--dpc-accent);
    outline-offset: 2px;
}

/* ---------- Panels ---------- */
.dpc-panel {
    display: none;
    padding: 1.25rem;
    border: 1px solid var(--dpc-border);
    border-radius: var(--dpc-radius);
    background: #fff;
}

.dpc-panel.is-active {
    display: block;
}

/* ---------- Drop zone ---------- */
.dpc-drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    padding: 2rem 1rem;
    border: 2px dashed var(--dpc-border);
    border-radius: var(--dpc-radius);
    background: var(--dpc-bg);
    text-align: center;
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease;
}

.dpc-drop:hover,
.dpc-drop.is-dragover {
    border-color: var(--dpc-accent);
    background: #eff6ff;
}

.dpc-drop input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.dpc-drop-icon {
    font-size: 1.9rem;
    line-height: 1;
}

.dpc-drop-text {
    font-size: 0.92rem;
    color: var(--dpc-muted);
}

.dpc-file {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dpc-accent);
    word-break: break-all;
}

/* ---------- Actions ---------- */
.dpc-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .6rem;
    margin-top: 1rem;
}

.dpc-actions .button,
.dpc-actions button {
    cursor: pointer;
}

.dpc-actions button[disabled] {
    opacity: .5;
    cursor: not-allowed;
}

.dpc-app .button {
    display: inline-block;
    padding: .55rem 1.1rem;
    border-radius: 7px;
    border: 1px solid var(--dpc-border);
    background: #fff;
    color: var(--dpc-text);
    font-size: .9rem;
    font-weight: 600;
    text-decoration: none;
    transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.dpc-app .button:hover:not([disabled]) {
    border-color: var(--dpc-accent);
    color: var(--dpc-accent);
}

.dpc-app .button-primary {
    background: var(--dpc-accent);
    border-color: var(--dpc-accent);
    color: #fff;
}

.dpc-app .button-primary:hover:not([disabled]) {
    background: var(--dpc-accent-dark);
    border-color: var(--dpc-accent-dark);
    color: #fff;
}

.dpc-app .button-link {
    background: none;
    border: 0;
    color: var(--dpc-muted);
    text-decoration: underline;
    padding: .4rem;
    font-size: .85rem;
}

.dpc-app .button-link:hover:not([disabled]) {
    color: var(--dpc-accent);
}

/* ---------- Status ---------- */
.dpc-status {
    margin-top: .9rem;
    font-size: .88rem;
    color: var(--dpc-muted);
    min-height: 1.2em;
}

.dpc-status.is-error { color: #dc2626; }
.dpc-status.is-ok    { color: #16a34a; }

.dpc-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: .45rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    vertical-align: -2px;
    animation: dpc-spin .7s linear infinite;
}

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

/* ---------- Progress bar ---------- */
.dpc-progress {
    position: relative;
    height: 6px;
    margin-top: .75rem;
    background: var(--dpc-border);
    border-radius: 99px;
    overflow: hidden;
}

.dpc-progress > i {
    display: block;
    height: 100%;
    width: 0;
    background: var(--dpc-accent);
    transition: width .25s ease;
}

/* ---------- Result ---------- */
.dpc-result {
    margin-top: 1rem;
    padding: .9rem 1rem;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--dpc-radius);
    font-size: .9rem;
}

.dpc-result a.dpc-download {
    display: inline-block;
    margin-left: .5rem;
    font-weight: 700;
    color: #15803d;
    text-decoration: underline;
}

/* ---------- Thumbnails ---------- */
.dpc-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: 1rem;
}

.dpc-thumbs:empty { display: none; }

.dpc-thumb {
    position: relative;
    width: 84px;
    height: 84px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--dpc-border);
    background: #fff;
}

.dpc-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.dpc-thumb button {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 20px;
    height: 20px;
    border: 0;
    border-radius: 50%;
    background: rgba(15, 23, 42, .72);
    color: #fff;
    font-size: 12px;
    line-height: 20px;
    padding: 0;
    cursor: pointer;
}

.dpc-thumb button:hover { background: #dc2626; }

/* ---------- Camera ---------- */
.dpc-camera-wrap {
    position: relative;
    width: 100%;
    background: #0f172a;
    border-radius: var(--dpc-radius);
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.dpc-video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---------- Privacy note ---------- */
.dpc-privacy {
    margin-top: 1rem;
    font-size: .8rem;
    color: var(--dpc-muted);
    text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
    .dpc-app { margin: 1rem 0; }
    .dpc-panel { padding: 1rem; }
    .dpc-tab { min-width: 0; flex: 1 1 45%; font-size: .82rem; padding: .5rem .6rem; }
    .dpc-thumb { width: 68px; height: 68px; }
}

/* ---------- Dark mode ---------- */
@media (prefers-color-scheme: dark) {
    .dpc-app {
        --dpc-border: #334155;
        --dpc-bg: #1e293b;
        --dpc-text: #e2e8f0;
        --dpc-muted: #94a3b8;
    }
    .dpc-panel { background: #0f172a; }
    .dpc-tab.is-active { background: #1e293b; }
    .dpc-app .button { background: #1e293b; color: var(--dpc-text); }
    .dpc-result { background: #052e16; border-color: #166534; color: #bbf7d0; }
    .dpc-result a.dpc-download { color: #86efac; }
}