/**
 * Substack Block Styles
 * 
 * Styling for Substack post embeds in the grid system.
 */

/* ============================================================================
   BASE CONTAINER
   ============================================================================ */

.substack-block-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    padding: 0 !important;
    box-sizing: border-box;
}

/* ============================================================================
   PLACEHOLDER STATE
   ============================================================================ */

.substack-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--color-text-muted, #64748b);
    text-align: center;
    padding: 16px;
    box-sizing: border-box;
}

.substack-placeholder .placeholder-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
    opacity: 0.6;
}

.substack-placeholder .placeholder-text {
    font-size: 0.875rem;
    font-style: italic;
}

/* ============================================================================
   VIEW MODE - CARD PREVIEW
   ============================================================================ */

.substack-view {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: 12px;
    box-sizing: border-box;
    overflow: auto;
}

.substack-card {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, rgba(255, 102, 0, 0.1) 0%, rgba(255, 153, 51, 0.05) 100%);
    border: 1px solid rgba(255, 102, 0, 0.3);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.substack-card:hover {
    border-color: rgba(255, 102, 0, 0.5);
    box-shadow: 0 4px 20px rgba(255, 102, 0, 0.15);
    transform: translateY(-2px);
}

.substack-card-image {
    width: 100%;
    height: 120px;
    background-size: cover;
    background-position: center;
    background-color: rgba(255, 102, 0, 0.1);
}

.substack-card-content {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.substack-publication {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #ff6600;
}

.substack-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary, #f1f5f9);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.substack-excerpt {
    font-size: 0.8rem;
    color: var(--color-text-muted, #94a3b8);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.substack-author {
    font-size: 0.75rem;
    color: var(--color-text-muted, #64748b);
}

.substack-read-more {
    font-size: 0.75rem;
    font-weight: 500;
    color: #ff6600;
    margin-top: 4px;
}

/* ============================================================================
   EDIT MODE
   ============================================================================ */

.substack-editor {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: 12px;
    box-sizing: border-box;
    overflow-y: auto;
    gap: 12px;
}

.substack-editor-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.substack-logo {
    font-size: 1.5rem;
}

.substack-logo-large {
    font-size: 2rem;
    opacity: 0.5;
}

.substack-editor-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-primary, #f1f5f9);
}

.substack-url-wrapper {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.substack-url-input {
    flex: 1;
    padding: 10px 12px;
    font-size: 0.875rem;
    color: var(--color-text-primary, #f1f5f9);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 102, 0, 0.3);
    border-radius: 6px;
    outline: none;
    transition: all 0.15s ease;
}

.substack-url-input:focus {
    border-color: #ff6600;
    box-shadow: 0 0 0 2px rgba(255, 102, 0, 0.15);
}

.substack-url-input::placeholder {
    color: var(--color-text-muted, #94a3b8);
}

.substack-paste-btn {
    all: unset;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    background: rgba(255, 102, 0, 0.1);
    border: 1px solid rgba(255, 102, 0, 0.3);
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.15s ease;
}

.substack-paste-btn:hover {
    background: rgba(255, 102, 0, 0.2);
    border-color: rgba(255, 102, 0, 0.5);
}

.substack-hint {
    font-size: 0.7rem;
    color: var(--color-text-muted, #94a3b8);
    margin: 0;
}

/* Metadata Section */
.substack-metadata-section {
    margin-top: 4px;
}

.substack-metadata-details {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    overflow: hidden;
}

.substack-metadata-details summary {
    padding: 8px 12px;
    font-size: 0.8rem;
    color: var(--color-text-muted, #94a3b8);
    cursor: pointer;
    user-select: none;
}

.substack-metadata-details summary:hover {
    background: rgba(255, 255, 255, 0.05);
}

.substack-metadata-inputs {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.metadata-input-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.metadata-input-group label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-text-muted, #64748b);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metadata-input-group input,
.metadata-input-group textarea {
    all: unset;
    box-sizing: border-box;
    padding: 8px 10px;
    font-size: 0.8rem;
    color: var(--color-text-primary, #f1f5f9);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    width: 100%;
}

.metadata-input-group input:focus,
.metadata-input-group textarea:focus {
    border-color: rgba(255, 102, 0, 0.5);
}

.metadata-input-group input::placeholder,
.metadata-input-group textarea::placeholder {
    color: var(--color-text-muted, #64748b);
}

.metadata-input-group textarea {
    resize: vertical;
    min-height: 40px;
}

/* Preview Section */
.substack-preview-section {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.substack-preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted, #94a3b8);
    text-align: center;
}

.substack-preview-placeholder p {
    font-size: 0.8rem;
    margin: 0;
}

.substack-card-preview {
    width: 100%;
    max-width: 300px;
}

/* ============================================================================
   SCROLLBAR
   ============================================================================ */

.substack-editor::-webkit-scrollbar,
.substack-view::-webkit-scrollbar {
    width: 4px;
}

.substack-editor::-webkit-scrollbar-track,
.substack-view::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
}

.substack-editor::-webkit-scrollbar-thumb,
.substack-view::-webkit-scrollbar-thumb {
    background: rgba(255, 102, 0, 0.3);
    border-radius: 2px;
}