/* =========================
   CONVERTER PAGE
   Extends the shared Technochiya stylesheet
   ========================= */

.converter-section {
    --converter-accent: var(--tc-copper);
    --converter-surface: var(--tc-white);
    --converter-border: var(--tc-border);
    --converter-muted: var(--tc-text-muted);
    --converter-danger: #b42318;
    --converter-success: #2f7d4a;

    max-width: 1180px;
    margin-inline: auto;
}

.converter-card [hidden] {
    display: none !important;
}


/* =========================
   MAIN CONVERTER CARD
   ========================= */

.converter-card {
    max-width: 980px;
    margin: 2.5rem auto 0;
    padding: clamp(1.25rem, 4vw, 2.5rem);

    background: var(--converter-surface);
    border: 1px solid var(--converter-border);
    border-radius: 24px;

    box-shadow:
        0 24px 70px rgba(0, 0, 0, 0.12);
}


/* =========================
   UPLOAD AREA
   ========================= */

.drop-zone {
    padding: clamp(2rem, 7vw, 4.5rem) 1.5rem;
    text-align: center;

    border: 2px dashed var(--converter-border);
    border-radius: 20px;

    background: rgba(166, 106, 36, 0.04);

    transition:
        border-color 180ms ease,
        background-color 180ms ease,
        transform 180ms ease;
}

.drop-zone.drag-active {
    border-color: var(--converter-accent);
    background: rgba(166, 106, 36, 0.12);
    transform: scale(1.01);
}

.drop-zone h3 {
    margin: 1rem 0 0.5rem;
    font-size: clamp(1.25rem, 3vw, 1.6rem);
}

.drop-zone p {
    margin: 0 0 1.5rem;
    color: var(--converter-muted);
}

.upload-icon {
    display: grid;
    place-items: center;

    width: 64px;
    height: 64px;
    margin: 0 auto;

    color: #ffffff;
    font-size: 2rem;
    font-weight: 700;

    background: var(--converter-accent);
    border-radius: 18px;

    box-shadow:
        0 12px 30px rgba(166, 106, 36, 0.28);
}


/* =========================
   SELECTED IMAGES
   ========================= */

.selected-section {
    margin-bottom: 2rem;
}

.selected-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;

    margin-bottom: 1.25rem;
}

.selected-heading h3 {
    margin: 0 0 0.25rem;
}

.selected-heading p {
    margin: 0;
    color: var(--converter-muted);
}

.preview-list {
    display: grid;
    gap: 0.85rem;
}

.preview-item {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem;

    padding: 0.8rem;

    background: rgba(148, 163, 184, 0.07);
    border: 1px solid var(--converter-border);
    border-radius: 14px;

    cursor: grab;

    transition:
        opacity 160ms ease,
        border-color 160ms ease,
        transform 160ms ease;
}

.preview-item:hover {
    border-color: var(--converter-accent);
}

.preview-item:active {
    cursor: grabbing;
}

.preview-item.dragging {
    opacity: 0.45;
    transform: scale(0.98);
}

.preview-item img {
    width: 88px;
    height: 70px;

    object-fit: cover;
    background: #ffffff;
    border-radius: 10px;
}

.preview-information {
    min-width: 0;
}

.preview-information strong,
.preview-information span {
    display: block;
}

.preview-information strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-information span {
    margin-top: 0.3rem;
    color: var(--converter-muted);
    font-size: 0.875rem;
}

.preview-controls {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.preview-button {
    min-width: 38px;
    min-height: 38px;
    padding: 0.45rem 0.65rem;

    color: inherit;
    font: inherit;
    font-size: 0.85rem;

    background: transparent;
    border: 1px solid var(--converter-border);
    border-radius: 9px;

    cursor: pointer;

    transition:
        color 160ms ease,
        border-color 160ms ease,
        background-color 160ms ease;
}

.preview-button:hover:not(:disabled) {
    border-color: var(--converter-accent);
    background: rgba(166, 106, 36, 0.1);
}

.preview-button.remove-image {
    color: var(--converter-danger);
}

.preview-button.remove-image:hover:not(:disabled) {
    border-color: var(--converter-danger);
    background: rgba(239, 68, 68, 0.1);
}

.preview-button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}


/* =========================
   PDF SETTINGS
   ========================= */

.converter-settings {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(190px, 1fr));
    gap: 1rem;

    margin-top: 2rem;
    padding-top: 2rem;

    border-top: 1px solid var(--converter-border);
}

.setting-field {
    display: grid;
    gap: 0.55rem;

    font-weight: 600;
}

.setting-field span {
    font-size: 0.9rem;
}

.setting-field select,
.setting-field input {
    width: 100%;
    min-height: 48px;
    padding: 0.75rem 0.9rem;

    color: inherit;
    font: inherit;

    background-color: var(--converter-surface);
    border: 1px solid var(--converter-border);
    border-radius: 10px;

    outline: none;

    transition:
        border-color 160ms ease,
        box-shadow 160ms ease;
}

.setting-field select:focus,
.setting-field input:focus {
    border-color: var(--converter-accent);

    box-shadow:
        0 0 0 3px rgba(166, 106, 36, 0.16);
}

.setting-field select:disabled,
.setting-field input:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}


/* =========================
   ACTION BUTTONS
   ========================= */

.converter-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.85rem;
    flex-wrap: wrap;

    margin-top: 2rem;
}

.converter-actions .btn:disabled,
.drop-zone .btn:disabled,
.selected-heading .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}


/* =========================
   STATUS MESSAGES
   ========================= */

.status-message {
    min-height: 1.5rem;
    margin: 1rem 0 0;
    text-align: right;
    font-size: 0.925rem;
}

.status-message.working {
    color: var(--converter-muted);
}

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

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


/* =========================
   PRIVACY SECTION
   ========================= */

.privacy-grid {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;

    margin-top: 2rem;
}

.privacy-grid .value-card {
    height: 100%;
}


/* =========================
   NOSCRIPT MESSAGE
   ========================= */

noscript {
    display: block;
    padding: 1rem;
    color: #ffffff;
    text-align: center;
    background: #b91c1c;
}


/* =========================
   RESPONSIVE DESIGN
   ========================= */

@media (max-width: 720px) {
    .converter-card {
        padding: 1.1rem;
        border-radius: 18px;
    }

    .selected-heading {
        align-items: flex-start;
    }

    .preview-item {
        grid-template-columns: 70px minmax(0, 1fr);
    }

    .preview-item img {
        width: 70px;
        height: 60px;
    }

    .preview-controls {
        grid-column: 1 / -1;
        justify-content: flex-end;
    }

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

    .converter-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .status-message {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .selected-heading {
        display: grid;
    }

    .selected-heading .btn {
        width: 100%;
        justify-content: center;
    }

    .converter-settings {
        grid-template-columns: 1fr;
    }

    .preview-information strong {
        max-width: 190px;
    }
}

/* =========================
   SEO INFORMATION SECTIONS
   ========================= */

.seo-guide-section,
.converter-information,
.faq-section {
    max-width: var(--tc-max-width);
    margin-inline: auto;
}

.converter-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;

    margin-top: 2rem;
    list-style: none;
    counter-reset: converter-step;
}

.converter-steps li {
    counter-increment: converter-step;

    padding: 1.5rem;

    background: var(--tc-white);
    border: 1px solid var(--tc-border);
    border-radius: 16px;
}

.converter-steps li::before {
    content: counter(converter-step);

    display: grid;
    place-items: center;

    width: 38px;
    height: 38px;
    margin-bottom: 1rem;

    color: var(--tc-white);
    font-weight: 700;

    background: var(--tc-copper);
    border-radius: 50%;
}

.converter-steps strong {
    display: block;
    margin-bottom: 0.5rem;

    color: var(--tc-heading);
    font-size: 1.05rem;
}

.converter-information-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(2rem, 6vw, 5rem);
}

.converter-information-grid h2 {
    margin-bottom: 1rem;
}

.converter-information-grid p+p {
    margin-top: 1rem;
}

.faq-list {
    display: grid;
    gap: 0.8rem;

    max-width: 900px;
    margin: 2rem auto 0;
}

.faq-item {
    background: var(--tc-white);
    border: 1px solid var(--tc-border);
    border-radius: 12px;
}

.faq-item summary {
    position: relative;

    padding: 1.15rem 3.5rem 1.15rem 1.25rem;

    color: var(--tc-heading);
    font-weight: 700;

    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";

    position: absolute;
    top: 50%;
    right: 1.25rem;

    color: var(--tc-copper);
    font-size: 1.5rem;

    transform: translateY(-50%);
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    padding: 0 1.25rem 1.25rem;
}


/* Mobile layout */

@media (max-width: 760px) {

    .converter-steps,
    .converter-information-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================
   ALL TOOLS PAGE
   ========================= */

.tools-category {
    max-width: var(--tc-max-width);
    margin-inline: auto;
}

.tools-grid {
    display: grid;
    grid-template-columns:
        repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;

    margin-top: 2rem;
}

.tool-card {
    position: relative;

    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 1rem;

    min-height: 180px;
    padding: 1.35rem;

    color: inherit;
    text-decoration: none;

    background: var(--tc-white);
    border: 1px solid var(--tc-border);
    border-radius: 16px;

    transition:
        border-color 180ms ease,
        box-shadow 180ms ease,
        transform 180ms ease;
}

.tool-card-link:hover {
    border-color: var(--tc-copper);
    transform: translateY(-3px);

    box-shadow:
        0 16px 35px rgba(23, 36, 51, 0.1);
}

.tool-icon {
    display: grid;
    place-items: center;

    width: 58px;
    height: 58px;

    color: var(--tc-white);
    font-size: 0.8rem;
    font-weight: 800;

    background: var(--tc-copper);
    border-radius: 14px;
}

.tool-card-content h3 {
    margin-bottom: 0.55rem;
}

.tool-card-content p {
    font-size: 0.925rem;
}

.tool-status {
    position: absolute;
    right: 1rem;
    bottom: 1rem;

    padding: 0.25rem 0.65rem;

    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;

    border-radius: 999px;
}

.tool-status.available {
    color: #27633d;
    background: #e6f5eb;
}

.tool-status.coming-soon {
    color: var(--tc-text-muted);
    background: var(--tc-cream);
}

@media (max-width: 480px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        min-height: 200px;
    }
}