@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* Base Typography */
body { 
    font-family: 'Plus Jakarta Sans', sans-serif; 
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #e2e8f0; border-radius: 10px; }
.dark ::-webkit-scrollbar-thumb { background: #1e293b; }

/* Global Animations */
.fade-in { 
    animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards; 
}

@keyframes fadeIn { 
    from { opacity: 0; transform: translateY(20px); } 
    to { opacity: 1; transform: translateY(0); } 
}

/* Glassmorphism Effect */
.glass {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* CAP Logo — recolored to match blue-600 (#2563EB) in light mode, white in dark */
.cap-logo {
    filter: brightness(0) saturate(100%) invert(27%) sepia(85%) saturate(1600%) hue-rotate(212deg) brightness(101%) contrast(97%);
    transition: filter 0.3s;
}
.dark .cap-logo {
    filter: brightness(0) invert(1);
}

/* Prose & Markdown Rendering System */
.prose h1 { font-weight: 800; font-size: 2.5rem; margin-bottom: 2rem; letter-spacing: -0.02em; }
.prose h2 { font-weight: 700; font-size: 1.75rem; margin-top: 3rem; margin-bottom: 1.5rem; padding-bottom: 0.75rem; border-bottom: 1px solid #f1f5f9; }
.dark .prose h2 { border-color: #1e293b; }
.prose p { margin-bottom: 1.5rem; line-height: 1.8; color: #475569; font-size: 1.1rem; }
.dark .prose p { color: #94a3b8; }
.prose ul { list-style-type: disc; padding-left: 1.5rem; margin-bottom: 1.5rem; }
.prose li { margin-bottom: 0.5rem; }
.prose blockquote { border-left: 4px solid #3b82f6; padding-left: 1.5rem; font-style: italic; color: #64748b; margin: 2rem 0; }
.prose code:not(pre code) { background: #f8fafc; padding: 0.2rem 0.4rem; border-radius: 0.5rem; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 0.9em; border: 1px solid #e2e8f0; }
.dark .prose code:not(pre code) { background: #0f172a; border-color: #1e293b; color: #3b82f6; }
.prose pre { background: #1e293b; border-radius: 0.75rem; padding: 1.25rem 1.5rem; margin-bottom: 1.5rem; overflow-x: auto; }
.prose pre code { background: transparent; border: none; padding: 0; font-size: 0.9rem; color: #e2e8f0; line-height: 1.7; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

/* Interactive Elements */
.custom-input {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.custom-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    background: white;
}

.dark .custom-input:focus { 
    background: #0f172a; 
}

.status-pill {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-width: 1px;
}

/* ─── Kanban Board ─── */

/* Full-width wrapper with frame/padding */
.kanban-wrapper {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 120px);
    overflow: hidden;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    background: white;
}
.dark .kanban-wrapper {
    border-color: #1e293b;
    background: #0f172a;
}

/* Top bar: filters, title, tags button */
.kanban-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    background: white;
    flex-shrink: 0;
    flex-wrap: wrap;
}
.dark .kanban-topbar {
    background: #0f172a;
    border-color: #1e293b;
}

/* Board + tag panel horizontal layout */
.kanban-body {
    display: flex;
    flex: 1;
    min-height: 0;
    position: relative;
    overflow: hidden;
    background: #f1f5f9;
}
.dark .kanban-body {
    background: #0c1322;
}

/* The scrollable board area */
.kanban-board {
    display: flex;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    overflow-y: hidden;
    flex: 1;
    min-width: 0;
    cursor: grab;
    scroll-behavior: smooth;
    align-items: stretch;
}
.kanban-board.kanban-grabbing { cursor: grabbing; }

/* Visible scrollbar for horizontal scroll */
.kanban-board::-webkit-scrollbar { height: 8px; }
.kanban-board::-webkit-scrollbar-track { background: #f1f5f9; border-radius: 4px; margin: 0 1rem; }
.kanban-board::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
.kanban-board::-webkit-scrollbar-thumb:hover { background: #64748b; }
.dark .kanban-board::-webkit-scrollbar-track { background: #1e293b; }
.dark .kanban-board::-webkit-scrollbar-thumb { background: #475569; }
.dark .kanban-board::-webkit-scrollbar-thumb:hover { background: #64748b; }

/* Each column */
.kanban-col {
    flex: 0 0 285px;
    display: flex;
    flex-direction: column;
    background: #f4f7fb;
    border: 1px solid #dde5f0;
    border-radius: 1rem;
    overflow: hidden;
    min-height: 0;
    max-height: 100%;
    position: relative;
    transition: flex-basis 800ms ease-out;
}
.dark .kanban-col {
    background: #0d1526;
    border-color: #1e2d45;
}

/* Collapsed state */
.kanban-col.is-collapsed {
    flex: 0 0 68px;
    cursor: pointer;
    transition: flex-basis 900ms ease-in-out;
    overflow: hidden;
}

/* Slower collapse for drag-idle auto-close (1200ms) */
.kanban-col.drag-slow-collapse.is-collapsed {
    transition: flex-basis 1200ms cubic-bezier(0.22, 0.1, 0.36, 1);
}

.kanban-col.is-collapsed:hover {
    background: #f1f5f9;
}
.dark .kanban-col.is-collapsed:hover {
    background: #1e293b;
}

/* Collapse placeholder -- maintains column width as grey gap to prevent layout shift */
.kanban-col.collapse-placeholder {
    flex: 0 0 280px !important;
    background: #e2e8f0 !important;
    border-color: #cbd5e1 !important;
    transition: flex-basis 0ms !important;
    cursor: default;
    overflow: hidden;
}
.kanban-col.collapse-placeholder .kanban-col-expanded-view,
.kanban-col.collapse-placeholder .kanban-col-collapsed-view {
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity 100ms ease !important;
}
.dark .kanban-col.collapse-placeholder {
    background: #1e293b !important;
    border-color: #334155 !important;
}

/* Collapsed overlay (positioned inside the column) */
.kanban-col-collapsed-view {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    min-height: 200px;
}
.kanban-col.is-collapsed .kanban-col-collapsed-view {
    opacity: 1;
    pointer-events: auto;
    transition: opacity 400ms ease 250ms;
}

/* Expanded content wrapper */
.kanban-col-expanded-view {
    display: flex;
    flex-direction: column;
    min-height: 0;
    flex: 1;
    opacity: 1;
    transition: opacity 400ms ease 400ms;
    width: 278px;
}
.kanban-col.is-collapsed .kanban-col-expanded-view {
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease;
    overflow: hidden;
}

/* Pin button in collapsed overlay -- always visible if items exist */
.kanban-pin-btn {
    z-index: 3;
    flex-shrink: 0;
}

/* Sticky column header */
.kanban-col-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0.875rem;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 5;
}

/* Card list inside column */
.kanban-col-body {
    flex: 1;
    overflow-y: auto;
    padding: 0.625rem;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}
.kanban-col-body::-webkit-scrollbar { width: 4px; }
.kanban-col-body::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 2px; }
.dark .kanban-col-body::-webkit-scrollbar-thumb { background: #334155; }

/* Individual card */
.kanban-card {
    background: white;
    border: 1px solid #e8edf5;
    border-radius: 0.875rem;
    padding: 0.875rem;
    cursor: default;
    transition: all 180ms cubic-bezier(0.2, 0, 0, 1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
}
.kanban-card:hover {
    border-color: #d0d9e8;
    box-shadow: 0 8px 20px rgba(0,0,0,0.09), 0 2px 6px rgba(0,0,0,0.05);
    transform: translateY(-2px);
}
.dark .kanban-card {
    background: #1a2640;
    border-color: #2d3f5c;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.dark .kanban-card:hover {
    border-color: #3d5070;
    box-shadow: 0 8px 20px rgba(0,0,0,0.35), 0 2px 6px rgba(0,0,0,0.2);
    transform: translateY(-2px);
}

/* Collapsed column label */
.kanban-col-collapsed-label {
    font-size: 10px;
    font-weight: 800;
    white-space: nowrap;
}

/* Column info tooltip */
.kanban-col-tooltip {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.25rem;
    z-index: 50;
    width: 220px;
    padding: 0.75rem;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
.group\/colinfo:hover .kanban-col-tooltip { display: block; }
.dark .kanban-col-tooltip {
    background: #1e293b;
    border-color: #334155;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

/* Tag pill tooltip */
.kanban-tag-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 60;
    width: max-content;
    max-width: 240px;
    padding: 0.5rem 0.75rem;
    font-size: 10px;
    font-weight: 500;
    line-height: 1.4;
    background: #1e293b;
    color: #e2e8f0;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    pointer-events: none;
}
.kanban-tag-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1e293b;
}
.group\/tag:hover .kanban-tag-tooltip { display: block; }

/* Tag Reference overlay panel */
.kanban-tag-overlay {
    position: fixed;
    top: 0;
    right: 0;
    width: 380px;
    height: 100vh;
    z-index: 200;
    transform: translateX(100%);
    transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -4px 0 25px rgba(0,0,0,0.08);
    pointer-events: none;
    overflow: visible;
}
.kanban-tag-overlay-open {
    transform: translateX(0);
    pointer-events: auto;
}
.kanban-tag-overlay .kanban-tag-panel-inner {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: white;
    overflow-y: auto;
}
.dark .kanban-tag-overlay .kanban-tag-panel-inner {
    background: #0f172a;
}
.dark .kanban-tag-overlay {
    box-shadow: -4px 0 25px rgba(0,0,0,0.3);
}
#app.kanban-tags-active {
    margin-right: 380px;
}

/* ─── Constitution Diff Viewer ─── */

/* Word-level "deleted" highlight (red) */
mark.diff-del {
    background-color: #fee2e2;
    color: #b91c1c;
    text-decoration: line-through;
    border-radius: 2px;
    padding: 0 2px;
}
.dark mark.diff-del {
    background-color: rgba(127, 29, 29, 0.4);
    color: #fca5a5;
}

/* Word-level "inserted" highlight (green) */
mark.diff-ins {
    background-color: #dcfce7;
    color: #15803d;
    border-radius: 2px;
    padding: 0 2px;
}
.dark mark.diff-ins {
    background-color: rgba(20, 83, 45, 0.4);
    color: #86efac;
}

/* line-clamp utility */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Clickable title row on kanban cards */
.kanban-card-title-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.5rem;
    margin: 0 -0.375rem 0.5rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 150ms ease, color 150ms ease;
}
.kanban-card-title-row i {
    color: #94a3b8;
    flex-shrink: 0;
}
.kanban-card-title-row:hover {
    background: #eff6ff;
}
.kanban-card-title-row:hover span {
    color: #2563eb;
}
.kanban-card-title-row:hover i {
    color: #2563eb;
}
.dark .kanban-card-title-row:hover {
    background: #1e3a5f;
}
.dark .kanban-card-title-row:hover span {
    color: #60a5fa;
}
.dark .kanban-card-title-row:hover i {
    color: #60a5fa;
}

/* ─── Full-viewport Detail Preview Overlay ─── */
.kanban-detail-overlay {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    height: 100vh;
    z-index: 200;
    transform: translateX(100%);
    transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -4px 0 25px rgba(0,0,0,0.08);
    pointer-events: none;
    overflow: visible;
}
.kanban-detail-overlay-open {
    transform: translateX(0);
    pointer-events: auto;
}
.kanban-detail-overlay .kanban-detail-panel-inner {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: white;
    overflow-y: auto;
}
.dark .kanban-detail-overlay .kanban-detail-panel-inner {
    background: #0f172a;
}
.dark .kanban-detail-overlay {
    box-shadow: -4px 0 25px rgba(0,0,0,0.3);
}

/* Push main content when panel is open */
#app {
    transition: margin-right 300ms cubic-bezier(0.4, 0, 0.2, 1);
}
#app.kanban-preview-active {
    margin-right: 420px;
}

/* ─── Drag and Drop ─── */
.kanban-card-dragging {
    opacity: 0.4;
    transform: rotate(2deg);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15) !important;
}
.kanban-drop-target {
    background: #eff6ff !important;
    border: 2px dashed #93c5fd !important;
    border-radius: 0.5rem;
}
.dark .kanban-drop-target {
    background: #1e3a5f !important;
    border-color: #3b82f6 !important;
}

/* Top bar rounds inside the frame */
.kanban-topbar {
    border-radius: 0.75rem 0.75rem 0 0;
}