/* ================================================================
   Design Manager — Single Design View  (single-design.css)
   Palette: black #111827, brand red #c8102e, white #fff
   ================================================================ */

/* ---- Variables -------------------------------------------------------- */
:root {
    --dm-sv-red:        #c8102e;
    --dm-sv-red-dark:   #a50d26;
    --dm-sv-red-light:  #fff0f2;
    --dm-sv-black:      #111827;
    --dm-sv-grey-1:     #374151;
    --dm-sv-grey-2:     #6b7280;
    --dm-sv-grey-3:     #9ca3af;
    --dm-sv-grey-4:     #d1d5db;
    --dm-sv-grey-5:     #f3f4f6;
    --dm-sv-grey-6:     #fafafa;
    --dm-sv-border:     #e5e7eb;
    --dm-sv-radius:     8px;
    --dm-sv-shadow:     0 1px 4px rgba(0,0,0,.07);
}

/* ---- Container -------------------------------------------------------- */
.dm-single-design-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 16px 60px;
    font-family: inherit;
    color: var(--dm-sv-black);
    box-sizing: border-box;
}
.dm-single-design-container *,
.dm-single-design-container *::before,
.dm-single-design-container *::after { box-sizing: inherit; }

/* ---- Breadcrumb ------------------------------------------------------- */
.dm-breadcrumb {
    font-size: .82rem;
    color: var(--dm-sv-grey-2);
    margin-bottom: 18px;
    line-height: 1.5;
}
.dm-breadcrumb a { color: var(--dm-sv-red); text-decoration: none; }
.dm-breadcrumb a:hover { text-decoration: underline; }

/* ---- Header ----------------------------------------------------------- */
.dm-design-header { margin-bottom: 28px; }

.dm-header-main h1 {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--dm-sv-black);
    margin: 0 0 18px;
    line-height: 1.2;
}

.dm-design-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--dm-sv-border);
}

/* ---- Author ----------------------------------------------------------- */
.dm-author-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dm-author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--dm-sv-border);
    flex-shrink: 0;
    display: block;
}

.dm-author-info > div {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.dm-by {
    font-size: .7rem;
    color: var(--dm-sv-grey-3);
    text-transform: uppercase;
    letter-spacing: .06em;
}

.dm-author-name {
    font-weight: 700;
    color: var(--dm-sv-black);
    text-decoration: none;
    font-size: .95rem;
    line-height: 1.3;
}
.dm-author-name:hover { color: var(--dm-sv-red); }

.dm-date {
    font-size: .76rem;
    color: var(--dm-sv-grey-3);
}

/* ---- Stats summary ---------------------------------------------------- */
.dm-stats-summary {
    display: flex;
    gap: 7px;
    flex-wrap: wrap;
}

.dm-stat {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: .78rem;
    font-weight: 600;
    color: var(--dm-sv-grey-2);
    background: var(--dm-sv-grey-5);
    border: 1px solid var(--dm-sv-border);
    padding: 5px 11px;
    border-radius: 20px;
    white-space: nowrap;
}
.dm-stat .dashicons {
    font-size: 13px;
    width: 13px;
    height: 13px;
    line-height: 1;
}

/* ================================================================
   2-Column content grid
   ================================================================ */
.dm-design-content {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 36px;
    margin-bottom: 48px;
    align-items: start;
}

@media (max-width: 960px) {
    .dm-design-content { grid-template-columns: 1fr; gap: 28px; }
}

/* ================================================================
   Left column — Media
   ================================================================ */

/* Main viewer */
.dm-main-viewer {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: var(--dm-sv-grey-6);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--dm-sv-radius);
    overflow: hidden;
    margin-bottom: 14px;
    position: relative;
    border: 1px solid var(--dm-sv-border);
}

.dm-main-viewer img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

/* Nav arrows */
.dm-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(17,24,39,.6);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .15s, opacity .15s;
    z-index: 10;
    opacity: .65;
}
.dm-nav-btn:hover { background: var(--dm-sv-black); opacity: 1; }
.dm-nav-prev { left: 12px; }
.dm-nav-next { right: 12px; }

/* 3D placeholder */
.dm-3d-viewer-placeholder {
    text-align: center;
    padding: 40px 20px;
    color: var(--dm-sv-grey-3);
}
.dm-3d-icon .dashicons {
    font-size: 52px;
    width: 52px;
    height: 52px;
    opacity: .35;
    display: block;
    margin: 0 auto 12px;
}
.dm-3d-viewer-placeholder p  { font-size: .9rem;  color: var(--dm-sv-grey-2); margin: 0 0 4px; }
.dm-3d-viewer-placeholder small { font-size: .76rem; color: var(--dm-sv-grey-3); }

/* Thumbnail strip */
.dm-thumbnail-gallery { margin-bottom: 24px; }

.dm-thumb-scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 4px 0 8px;
    scrollbar-width: thin;
}

.dm-thumb {
    width: 72px;
    height: 56px;
    border: 2px solid var(--dm-sv-border);
    border-radius: 5px;
    overflow: hidden;
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    background: var(--dm-sv-grey-5);
    transition: border-color .15s;
}
.dm-thumb:hover { border-color: var(--dm-sv-grey-3); }
.dm-thumb.active {
    border-color: var(--dm-sv-red);
    box-shadow: 0 0 0 2px rgba(200,16,46,.15);
}
.dm-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dm-thumb-label {
    position: absolute;
    bottom: 2px;
    right: 2px;
    background: rgba(0,0,0,.6);
    color: #fff;
    font-size: 9px;
    padding: 1px 3px;
    border-radius: 2px;
    line-height: 1.3;
}

/* Download section */
.dm-download-section {
    background: #fff;
    border: 1px solid var(--dm-sv-border);
    border-radius: var(--dm-sv-radius);
    padding: 20px;
    box-shadow: var(--dm-sv-shadow);
}

.dm-section-title {
    display: inline-block;
    font-size: .78rem;
    font-weight: 700;
    color: var(--dm-sv-black);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin: 0 0 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--dm-sv-red);
}

.dm-download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 16px;
    background: var(--dm-sv-black);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-weight: 700;
    font-size: .85rem;
    cursor: pointer;
    transition: background .15s, box-shadow .15s;
    margin-bottom: 14px;
}
.dm-download-btn:hover {
    background: var(--dm-sv-grey-1);
    box-shadow: 0 3px 10px rgba(0,0,0,.15);
}
.dm-download-btn .dashicons { font-size: 16px; width: 16px; height: 16px; }

.dm-individual-files {
    border-top: 1px solid var(--dm-sv-border);
    padding-top: 10px;
    max-height: 280px;
    overflow-y: auto;
}

.dm-file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 6px;
    border-bottom: 1px solid var(--dm-sv-grey-5);
    transition: background .1s;
}
.dm-file-item:hover { background: var(--dm-sv-grey-6); }
.dm-file-item:last-child { border-bottom: none; }

.dm-file-icon .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
    color: var(--dm-sv-grey-3);
    line-height: 1;
}

.dm-file-name {
    flex: 1;
    font-size: .8rem;
    color: var(--dm-sv-grey-1);
    word-break: break-all;
    line-height: 1.35;
}

.dm-file-download {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    color: var(--dm-sv-red);
    text-decoration: none;
    border-radius: 4px;
    transition: background .1s;
    flex-shrink: 0;
}
.dm-file-download:hover { background: var(--dm-sv-red-light); color: var(--dm-sv-red-dark); }
.dm-file-download .dashicons { font-size: 16px; width: 16px; height: 16px; line-height: 1; }

/* ================================================================
   Right column — Info cards
   ================================================================ */
.dm-info-column {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Like / Save actions */
.dm-actions-section {
    display: flex;
    gap: 10px;
}

.dm-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 10px 16px;
    border: 1px solid var(--dm-sv-border);
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: .83rem;
    color: var(--dm-sv-grey-1);
    transition: border-color .15s, color .15s, box-shadow .15s;
    flex: 1;
}
.dm-action-btn .dashicons { font-size: 15px; width: 15px; height: 15px; line-height: 1; }
.dm-action-btn:hover {
    border-color: var(--dm-sv-red);
    color: var(--dm-sv-red);
    box-shadow: 0 2px 8px rgba(200,16,46,.1);
}
.dm-action-btn.is-active {
    background: var(--dm-sv-red-light);
    border-color: var(--dm-sv-red);
    color: var(--dm-sv-red);
}
.dm-action-btn:disabled { opacity: .65; cursor: default; }

/* Generic card */
.dm-card {
    background: #fff;
    border: 1px solid var(--dm-sv-border);
    border-radius: var(--dm-sv-radius);
    padding: 16px 18px;
    box-shadow: var(--dm-sv-shadow);
}

.dm-card__title {
    font-size: .72rem;
    font-weight: 700;
    color: var(--dm-sv-black);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--dm-sv-border);
}

/* Share */
.dm-share-label {
    font-size: .72rem;
    font-weight: 700;
    color: var(--dm-sv-grey-2);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin: 0 0 10px;
}

.dm-share-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.dm-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: var(--dm-sv-black);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 700;
    font-size: 11px;
    letter-spacing: .02em;
    transition: background .15s, box-shadow .15s;
}
.dm-share-btn:hover {
    background: var(--dm-sv-red);
    box-shadow: 0 2px 8px rgba(200,16,46,.2);
}
.dm-share-btn .dashicons { font-size: 14px; width: 14px; height: 14px; line-height: 1; }

/* Print settings grid */
.dm-specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.dm-spec-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 10px 12px;
    background: var(--dm-sv-grey-6);
    border-radius: 5px;
    border: 1px solid var(--dm-sv-border);
}

.dm-spec-label {
    font-size: .67rem;
    color: var(--dm-sv-grey-3);
    text-transform: uppercase;
    letter-spacing: .05em;
    font-weight: 700;
}

.dm-spec-value {
    font-weight: 700;
    color: var(--dm-sv-black);
    font-size: .88rem;
}

/* Description */
.dm-description-content {
    line-height: 1.65;
    color: var(--dm-sv-grey-1);
    font-size: .88rem;
}

/* Tags */
.dm-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.dm-tag {
    background: var(--dm-sv-grey-5);
    border: 1px solid var(--dm-sv-border);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: .77rem;
    color: var(--dm-sv-grey-1);
    transition: background .1s, border-color .1s, color .1s;
    cursor: default;
}
.dm-tag:hover {
    background: var(--dm-sv-red-light);
    border-color: var(--dm-sv-red);
    color: var(--dm-sv-red-dark);
}

/* ================================================================
   Comments section
   ================================================================ */
.dm-comments-section {
    background: #fff;
    border: 1px solid var(--dm-sv-border);
    border-radius: var(--dm-sv-radius);
    padding: 28px 30px;
    margin-top: 8px;
    box-shadow: var(--dm-sv-shadow);
}

.dm-comments-section > h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dm-sv-black);
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--dm-sv-border);
}

.dm-comments-list {
    margin-bottom: 24px;
    max-height: 480px;
    overflow-y: auto;
}

.dm-comment-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--dm-sv-grey-5);
}
.dm-comment-item:last-child { border-bottom: none; }

.dm-comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    flex-wrap: wrap;
    gap: 4px;
}

.dm-comment-author {
    font-size: .88rem;
    font-weight: 700;
    color: var(--dm-sv-black);
}

.dm-comment-date {
    font-size: .73rem;
    color: var(--dm-sv-grey-3);
}

.dm-comment-text {
    line-height: 1.55;
    color: var(--dm-sv-grey-1);
    font-size: .87rem;
}

.dm-no-comments {
    text-align: center;
    padding: 32px 20px;
    color: var(--dm-sv-grey-3);
    font-style: italic;
    font-size: .88rem;
    margin: 0;
}

/* Comment form */
.dm-comment-form { margin-top: 16px; }

.dm-comment-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--dm-sv-border);
    border-radius: 6px;
    margin-bottom: 10px;
    font-family: inherit;
    font-size: .86rem;
    resize: vertical;
    min-height: 88px;
    color: var(--dm-sv-black);
    transition: border-color .15s;
    box-sizing: border-box;
    background: #fff;
}
.dm-comment-form textarea:focus {
    outline: none;
    border-color: var(--dm-sv-red);
    box-shadow: 0 0 0 3px rgba(200,16,46,.08);
}

.dm-comment-submit {
    background: var(--dm-sv-red);
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
    font-size: .86rem;
    transition: background .15s, box-shadow .15s;
}
.dm-comment-submit:hover {
    background: var(--dm-sv-red-dark);
    box-shadow: 0 3px 10px rgba(200,16,46,.25);
}

.dm-login-prompt {
    text-align: center;
    padding: 16px;
    background: var(--dm-sv-grey-6);
    border-radius: 6px;
    border: 1px solid var(--dm-sv-border);
    margin-top: 14px;
    font-size: .86rem;
    color: var(--dm-sv-grey-2);
}
.dm-login-prompt a { color: var(--dm-sv-red); font-weight: 700; text-decoration: none; }
.dm-login-prompt a:hover { text-decoration: underline; }

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 600px) {
    .dm-design-meta    { flex-direction: column; align-items: flex-start; }
    .dm-stats-summary  { gap: 5px; }
    .dm-actions-section { flex-direction: column; }
    .dm-action-btn     { flex: none; width: 100%; }
    .dm-specs-grid     { grid-template-columns: 1fr; }
    .dm-comments-section { padding: 20px 16px; }
    .dm-download-section { padding: 16px; }
}

@media (max-width: 390px) {
    .dm-stat { font-size: .72rem; padding: 4px 9px; }
    .dm-share-btn { width: 30px; height: 30px; font-size: 10px; }
}