/**
 * Cite Plugin - Frontend Styles
 * Version: 2.8.0
 *
 * Colour palette aligned to Cite admin (slate / cyan design tokens):
 *   Primary:      #64748b (slate-500)   – active states, focus rings
 *   Primary-hover: #475569 (slate-600)  – hover states
 *   Accent:       #0891b2 (cyan-600)    – links, notification badge
 *   Accent-hover: #0e7490 (cyan-700)    – link hover
 *   Gray scale:   Tailwind slate (f9fafb → 111827)
 */

/* =============================================================================
   FOUNDATION
   ============================================================================= */

.wpcp-citation-box,
.wpcp-citation-box * {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

.wpcp-citation-box {
    margin: 30px 0;
    border: 2px dotted #d1d5db;
    padding: 20px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: visible;
    transition: all 0.2s ease;
    color: #1f2937;
}

/* =============================================================================
   CITATION HEADER
   ============================================================================= */

.wpcp-citation-box .citation-header {
    margin-bottom: 15px;
}

.wpcp-citation-box .citation-title {
    font-size: 16px;
    font-weight: 500;
    color: #1f2937;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.wpcp-citation-box .citation-title img {
    width: 20px;
    height: 20px;
}

.wpcp-citation-box .citation-title > span {
    font-weight: 600;
}

/* =============================================================================
   DROPDOWN MODE (default)
   ============================================================================= */

.wpcp-citation-box .citation-style-select {
    padding: 8px 32px 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #f9fafb;
    color: #1f2937;
    font-size: 14px;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4 5"%3E%3Cpath fill="%2364748b" d="M2 0L0 2h4zm0 5L0 3h4z"/%3E%3C/svg%3E');
    background-repeat: no-repeat;
    background-position: right 0.5em top 50%;
    background-size: 0.65em auto;
    cursor: pointer;
    transition: all 0.2s ease;
}

.wpcp-citation-box .citation-style-select:hover {
    border-color: #9ca3af;
}

.wpcp-citation-box .citation-style-select:focus {
    outline: 2px solid #64748b;
    outline-offset: 2px;
}

.wpcp-citation-box .citation-style-select::-ms-expand {
    display: none;
}

/* =============================================================================
   TABS MODE
   ============================================================================= */

.wpcp-citation-box .wpcp-style-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    overflow: hidden;
}

.wpcp-citation-box .wpcp-style-tab {
    padding: 6px 14px;
    border: none;
    border-right: 1px solid #e5e7eb;
    background: #f9fafb;
    color: #4b5563;
    cursor: pointer;
    font-size: 0.85em;
    font-family: inherit;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
    line-height: 1.4;
}

.wpcp-citation-box .wpcp-style-tab:last-child {
    border-right: none;
}

.wpcp-citation-box .wpcp-style-tab:hover {
    background: #f3f4f6;
}

.wpcp-citation-box .wpcp-style-tab:focus-visible {
    outline: 2px solid #64748b;
    outline-offset: -2px;
    z-index: 1;
}

.wpcp-citation-box .wpcp-style-tab--active {
    background: #64748b;
    color: #ffffff;
}

.wpcp-citation-box .wpcp-style-tab--active:hover {
    background: #475569;
}

/* =============================================================================
   BUTTONS (PILL) MODE
   ============================================================================= */

.wpcp-citation-box .wpcp-style-buttons {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
}

.wpcp-citation-box .wpcp-style-btn {
    padding: 5px 12px;
    border: 1px solid #d1d5db;
    border-radius: 20px;
    background: #ffffff;
    color: #4b5563;
    cursor: pointer;
    font-size: 0.83em;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
    line-height: 1.4;
}

.wpcp-citation-box .wpcp-style-btn:hover {
    border-color: #64748b;
    color: #64748b;
}

.wpcp-citation-box .wpcp-style-btn:focus-visible {
    outline: 2px solid #64748b;
    outline-offset: 2px;
}

.wpcp-citation-box .wpcp-style-btn--active {
    background: #64748b;
    color: #ffffff;
    border-color: #64748b;
}

.wpcp-citation-box .wpcp-style-btn--active:hover {
    background: #475569;
    border-color: #475569;
}

/* Single format label (when only 1 format, no selector) */
.wpcp-citation-box .wpcp-single-format-label {
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
}

/* =============================================================================
   ACTION BUTTONS (copy, export, toggle)
   ============================================================================= */

.wpcp-citation-box .copy-button {
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #f9fafb;
    color: #4b5563;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 0;
    min-width: 40px;
    min-height: 40px;
}

.wpcp-citation-box .copy-button:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
}

.wpcp-citation-box .copy-button:focus {
    outline: 2px solid #64748b;
    outline-offset: 2px;
}

.wpcp-citation-box .copy-button:active {
    transform: scale(0.95);
}

.wpcp-citation-box .copy-button svg {
    width: 16px;
    height: 16px;
}

/* Export menu */
.wpcp-citation-box .export-menu {
    position: relative;
    display: inline-block;
}

.wpcp-citation-box .export-button {
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #f9fafb;
    color: #4b5563;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 0;
    min-width: 40px;
    min-height: 40px;
}

.wpcp-citation-box .export-button:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
}

.wpcp-citation-box .export-button:focus {
    outline: 2px solid #64748b;
    outline-offset: 2px;
}

.wpcp-citation-box .export-button svg {
    width: 16px;
    height: 16px;
}

.wpcp-citation-box .export-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 5px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    min-width: 190px;
    z-index: 1000;
    display: none;
    flex-direction: column;
}

.wpcp-citation-box .export-dropdown.show {
    display: flex;
}

.wpcp-citation-box .export-option {
    padding: 10px 15px;
    border: none;
    background: transparent;
    color: #1f2937;
    font-family: inherit;
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s ease;
}

.wpcp-citation-box .export-option:hover {
    background: #f3f4f6;
}

.wpcp-citation-box .export-option + .export-option {
    border-top: 1px solid #f3f4f6;
}

.wpcp-citation-box .export-option:focus {
    outline: 2px solid #64748b;
    outline-offset: -2px;
}

.wpcp-citation-box .export-option:first-child {
    border-radius: 6px 6px 0 0;
}

.wpcp-citation-box .export-option:last-child {
    border-radius: 0 0 6px 6px;
}

/* Toggle button */
.wpcp-citation-box .toggle-button {
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #f9fafb;
    color: #4b5563;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 0;
    min-width: 40px;
    min-height: 40px;
}

.wpcp-citation-box .toggle-button:hover {
    background: #f3f4f6;
}

.wpcp-citation-box .toggle-button:focus {
    outline: 2px solid #64748b;
    outline-offset: 2px;
}

.wpcp-citation-box .toggle-button.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.wpcp-citation-box .toggle-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

/* =============================================================================
   CITATION CONTENT & OUTPUT
   ============================================================================= */

.wpcp-citation-box .citation-content {
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.wpcp-citation-box .citation-content.collapsed {
    max-height: 0;
    opacity: 0;
}

.wpcp-citation-box .citation-output {
    font-size: 15px;
    line-height: 1.8;
    color: #1f2937;
    padding: 15px 0;
}

.wpcp-citation-box .citation-output a {
    color: #0891b2;
    text-decoration: underline;
    text-decoration-color: rgba(8, 145, 178, 0.3);
    text-underline-offset: 2px;
}

.wpcp-citation-box .citation-output a:hover {
    color: #0e7490;
    text-decoration-color: #0e7490;
}

/* Copy notification */
.wpcp-citation-box .copy-notification {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #0891b2;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.wpcp-citation-box .copy-notification.show {
    opacity: 1;
}

/* Wikipedia citation format */
.wpcp-citation-box .citation-output.wikipedia-format {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    background: #f9fafb;
    padding: 12px 15px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    white-space: pre-wrap;
    word-break: break-word;
    color: #1f2937;
    line-height: 1.6;
}

/* =============================================================================
   INLINE CITATION MODE (Feature #03)
   ============================================================================= */

.wpcp-inline-citation {
    font-style: normal;
    white-space: nowrap;
}

.wpcp-inline-citation a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px dotted currentColor;
}

.wpcp-inline-citation a:hover {
    border-bottom-style: solid;
}

.wpcp-bibliography-citation {
    display: inline;
}

/* =============================================================================
   FOOTNOTE REFERENCE MARKERS (Feature #02)
   ============================================================================= */

.wpcp-ref-marker {
    font-size: 0.8em;
    vertical-align: super;
    line-height: 0;
}

.wpcp-ref-marker a {
    color: #0891b2;
    text-decoration: none;
}

.wpcp-ref-marker a:hover {
    text-decoration: underline;
}

/* =============================================================================
   BIBLIOGRAPHY (Feature #02)
   ============================================================================= */

.wpcp-bibliography {
    margin-top: 2em;
    padding-top: 1em;
    border-top: 1px solid #e5e7eb;
}

.wpcp-bibliography-heading {
    font-size: 1.2em;
    font-weight: 600;
    margin-bottom: 0.5em;
    color: #1f2937;
}

.wpcp-bibliography-list {
    padding-left: 1.5em;
    font-size: 0.95em;
    line-height: 1.6;
    color: #374151;
}

.wpcp-bibliography-entry {
    margin-bottom: 0.5em;
}

.wpcp-bibliography-text {
    display: inline;
}

.wpcp-bibliography-text a {
    color: #0891b2;
    text-decoration: underline;
    text-decoration-color: rgba(8, 145, 178, 0.3);
    text-underline-offset: 2px;
}

.wpcp-bibliography-text a:hover {
    color: #0e7490;
    text-decoration-color: #0e7490;
}

.wpcp-bibliography-backlink {
    margin-left: 0.5em;
    text-decoration: none;
    font-size: 0.85em;
    color: #9ca3af;
}

.wpcp-bibliography-backlink:hover {
    color: #0891b2;
}

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

@media (max-width: 768px) {
    .wpcp-citation-box .citation-title {
        font-size: 12px;
    }

    .wpcp-citation-box .citation-title img {
        width: 18px;
        height: 18px;
    }

    .wpcp-citation-box .citation-style-select {
        font-size: 11px;
        padding: 5px 25px 5px 8px;
    }

    .wpcp-citation-box .copy-button,
    .wpcp-citation-box .export-button,
    .wpcp-citation-box .toggle-button {
        padding: 5px 8px;
    }

    .wpcp-citation-box .citation-output {
        font-size: 12px;
    }

    .wpcp-citation-box .export-dropdown {
        right: auto;
        left: 0;
    }

    .wpcp-citation-box .wpcp-style-tabs {
        flex-wrap: wrap;
    }

    .wpcp-citation-box .wpcp-style-tab {
        font-size: 0.78em;
        padding: 5px 10px;
    }

    .wpcp-citation-box .wpcp-style-btn {
        font-size: 0.78em;
        padding: 4px 10px;
    }
}

@media (max-width: 480px) {
    .wpcp-citation-box {
        padding: 12px;
    }

    .wpcp-citation-box .citation-title {
        gap: 8px;
    }

    .wpcp-citation-box .citation-output {
        font-size: 11px;
    }
}

/* =============================================================================
   PRINT
   ============================================================================= */

@media print {
    .wpcp-citation-box {
        border: 1px solid #000;
        background: #fff;
        box-shadow: none;
        page-break-inside: avoid;
    }

    .wpcp-citation-box .copy-button,
    .wpcp-citation-box .export-button,
    .wpcp-citation-box .toggle-button {
        display: none;
    }

    .wpcp-citation-box .citation-content {
        max-height: none !important;
        opacity: 1 !important;
    }

    .wpcp-citation-box .citation-output {
        color: #000;
    }

    .wpcp-citation-box .citation-output a {
        color: #000;
        text-decoration: underline;
    }

    .wpcp-bibliography {
        page-break-inside: avoid;
    }

    .wpcp-bibliography-backlink {
        display: none;
    }
}