/* ====================================================================
   BRUTAL MD EDITOR - Markdown Editor Component
   Scoped with .bme-* prefix to avoid conflicts
   ==================================================================== */

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

.bme-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--io-surface-base);
    color: var(--io-text-primary);
    font-family: var(--io-font-primary);
    overflow: hidden;
}

/* ====================================================================
   TOOLBAR
   ==================================================================== */

.bme-toolbar {
    background: var(--io-surface-raised);
    padding: var(--io-space-sm) var(--io-space-lg);
    border-bottom: 1px solid var(--io-border-subtle);
    display: flex;
    gap: var(--io-space-md);
    align-items: center;
    flex-wrap: wrap;
    position: relative;
    flex-shrink: 0;
}

.bme-toolbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 0;
    height: 1px;
    background: linear-gradient(
        to right,
        transparent 0%,
        rgba(var(--io-border-fade-base), 0.3) 10%,
        rgba(var(--io-border-fade-base), 0.6) 50%,
        rgba(var(--io-border-fade-base), 0.3) 90%,
        transparent 100%
    );
    pointer-events: none;
}

.bme-toolbar-group {
    display: flex;
    gap: var(--io-space-xs);
    align-items: center;
}

.bme-toolbar-separator {
    width: 1px;
    height: 20px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(var(--io-border-fade-base), 0.4) 50%,
        transparent 100%
    );
    margin: 0 var(--io-space-xs);
}

.bme-toolbar-label {
    font-size: 10px;
    color: var(--io-text-tertiary);
    text-transform: lowercase;
    letter-spacing: 0.01em;
    margin-right: var(--io-space-xs);
}

.bme-toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid var(--io-border);
    color: var(--io-text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all var(--io-transition-base);
    border-radius: 2px;
}

.bme-toolbar-btn:hover {
    background: var(--io-surface-hover);
    border-color: var(--io-accent);
    color: var(--io-accent);
}

.bme-toolbar-btn.bme-active {
    background: var(--io-accent);
    border-color: var(--io-accent);
    color: var(--io-text-primary);
}

.bme-toolbar-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ====================================================================
   EDITOR BODY
   ==================================================================== */

.bme-body {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

.bme-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--io-surface-base);
    position: relative;
    overflow: hidden;
}

.bme-input-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.bme-input {
    flex: 1;
    background: var(--io-surface-base);
    border: none;
    color: var(--io-text-primary);
    padding: var(--io-space-lg);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.8;
    resize: none;
    outline: none;
    caret-color: var(--io-accent);
}

.bme-input::placeholder {
    color: var(--io-text-tertiary);
}

.bme-input::-webkit-scrollbar {
    width: 6px;
}

.bme-input::-webkit-scrollbar-track {
    background: transparent;
}

.bme-input::-webkit-scrollbar-thumb {
    background: var(--io-accent-subtle);
    border-radius: 3px;
}

.bme-input::-webkit-scrollbar-thumb:hover {
    background: var(--io-accent);
}

/* ====================================================================
   PREVIEW PANE (Full Overlay Mode)
   ==================================================================== */

.bme-preview {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--io-surface-base);
    padding: var(--io-space-sm);
    overflow-y: auto;
    z-index: 10;
    scrollbar-width: thin;
    scrollbar-color: var(--io-accent-subtle) transparent;
    animation: fadeIn 200ms ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.bme-preview::-webkit-scrollbar {
    width: 6px;
}

.bme-preview::-webkit-scrollbar-track {
    background: transparent;
}

.bme-preview::-webkit-scrollbar-thumb {
    background: var(--io-accent-subtle);
    border-radius: 3px;
}

.bme-preview::-webkit-scrollbar-thumb:hover {
    background: var(--io-accent);
}

.bme-preview-content {

    color: var(--io-text-primary);
    font-size: var(--io-text-sm);
    line-height: 1.4;
}

.bme-preview-content h1,
.bme-preview-content h2,
.bme-preview-content h3 {
    color: var(--io-accent);
    margin-top: var(--io-space-lg);
    margin-bottom: var(--io-space-md);
    font-weight: normal;
}

.bme-preview-content h1 { font-size: var(--io-text-2xl); }
.bme-preview-content h2 { font-size: var(--io-text-xl); }
.bme-preview-content h3 { font-size: var(--io-text-lg); }

.bme-preview-content code {
    background: var(--io-surface-sunken);
    padding: 2px 6px;
    border-radius: 2px;
    font-family: var(--io-font-mono);
    font-size: 0.9em;
    color: var(--io-accent);
}

.bme-preview-content pre {
    background: var(--io-surface-sunken);
    overflow-x: auto;
    margin: var(--io-space-md) 0;
}

.bme-preview-content pre code {
    background: var(--io-surface-base);
    padding: 0;
    color: var(--io-text-primary);
}

.bme-preview-content blockquote {
    border-left: 2px solid var(--io-accent);
    padding-left: var(--io-space-md);
    color: var(--io-text-secondary);
    margin: var(--io-space-md) 0;
}

.bme-preview-content img {
    max-width: 100%;
    height: auto;
    margin: var(--io-space-md) 0;
}

.bme-preview-content a {
    color: var(--io-accent);
    text-decoration: none;
}

.bme-preview-content a:hover {
    text-decoration: underline;
}

/* ====================================================================
   SIDEBAR
   ==================================================================== */

.bme-sidebar {
    width: 240px;
    background: var(--io-surface-sunken);
    border-left: 1px solid var(--io-border);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--io-accent-subtle) transparent;
    flex-shrink: 0;
    transition: width var(--io-transition-base), opacity var(--io-transition-base), border-color var(--io-transition-base);
}

.bme-sidebar.bme-hidden {
    width: 0;
    opacity: 0;
    border-color: transparent;
    overflow: hidden;
}

.bme-sidebar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 15%;
    height: 70%;
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(var(--io-border-fade-base), 0.3) 15%,
        rgba(var(--io-border-fade-base), 0.8) 50%,
        rgba(var(--io-border-fade-base), 0.3) 85%,
        transparent 100%
    );
    pointer-events: none;
}

.bme-sidebar-section {
    padding: var(--io-space-md);
    border-bottom: 1px solid var(--io-border-subtle);
}

.bme-sidebar-title {
    font-size: 11px;
    color: var(--io-text-secondary);
    text-transform: lowercase;
    letter-spacing: 0.02em;
    margin-bottom: var(--io-space-sm);
    display: flex;
    align-items: center;
    gap: var(--io-space-xs);
}

.bme-sidebar-title i {
    color: var(--io-accent);
    opacity: 0.6;
    font-size: 9px;
}

.bme-sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--io-space-sm);
    padding: 6px var(--io-space-sm);
    margin-bottom: 2px;
    background: transparent;
    border-left: 2px solid transparent;
    cursor: pointer;
    transition: all var(--io-transition-base);
    font-size: 11px;
    color: var(--io-text-tertiary);
}

.bme-sidebar-item:hover {
    background: rgba(255, 255, 255, 0.02);
    border-left-color: var(--io-border);
    color: var(--io-text-secondary);
}

.bme-sidebar-item i {
    font-size: 9px;
    width: 12px;
    text-align: center;
    opacity: 0.5;
}

.bme-sidebar-item:hover i {
    opacity: 1;
}

/* ====================================================================
   FOOTER
   ==================================================================== */

.bme-footer {
    background: var(--io-surface-raised);
    padding: var(--io-space-sm) var(--io-space-lg);
    border-top: 1px solid var(--io-border);
    font-size: 10px;
    color: var(--io-text-tertiary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    flex-shrink: 0;
}

.bme-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 15%;
    height: 1px;
    background: linear-gradient(
        to right,
        transparent 0%,
        rgba(var(--io-border-fade-base), 0.3) 15%,
        rgba(var(--io-border-fade-base), 0.6) 50%,
        rgba(var(--io-border-fade-base), 0.3) 85%,
        transparent 100%
    );
    pointer-events: none;
}

.bme-footer-info {
    display: flex;
    gap: var(--io-space-lg);
    letter-spacing: 0.01em;
    align-items: center;
}

.bme-footer-stats {
    display: flex;
    gap: var(--io-space-md);
    font-size: 10px;
    color: var(--io-text-tertiary);
    letter-spacing: 0.02em;
}

.bme-stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.bme-stat-value {
    color: var(--io-text-secondary);
    font-weight: normal;
}

.bme-footer-action {
    display: flex;
    gap: var(--io-space-sm);
    align-items: center;
}

.bme-footer-btn {
    padding: 4px var(--io-space-sm);
    background: transparent;
    border: 1px solid var(--io-border);
    color: var(--io-text-tertiary);
    font-size: 10px;
    cursor: pointer;
    text-transform: lowercase;
    letter-spacing: 0.02em;
    transition: all var(--io-transition-base);
}

.bme-footer-btn:hover {
    background: var(--io-surface-hover);
    border-color: var(--io-accent);
    color: var(--io-accent);
}

/* ====================================================================
   FILE UPLOAD - Drag & Drop Overlay
   ==================================================================== */

.bme-drop-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--io-space-md);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--io-transition-base);
}

.bme-drop-overlay.bme-dragging {
    opacity: 1;
    pointer-events: auto;
}

.bme-drop-icon {
    font-size: 48px;
    color: var(--io-accent);
}

.bme-drop-text {
    font-size: var(--io-text-base);
    color: var(--io-text-primary);
    text-transform: lowercase;
}

.bme-drop-hint {
    font-size: var(--io-text-xs);
    color: var(--io-text-tertiary);
}

/* ====================================================================
   UPLOAD PROGRESS
   ==================================================================== */

.bme-upload-progress {
    position: absolute;
    bottom: var(--io-space-lg);
    right: var(--io-space-lg);
    background: var(--io-surface-raised);
    border: 1px solid var(--io-border);
    padding: var(--io-space-md);
    min-width: 280px;
    z-index: 50;
    animation: slideIn 200ms ease;
}

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

.bme-upload-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--io-space-sm);
}

.bme-upload-title {
    font-size: var(--io-text-sm);
    color: var(--io-text-primary);
}

.bme-upload-close {
    background: transparent;
    border: none;
    color: var(--io-text-tertiary);
    cursor: pointer;
    font-size: 10px;
}

.bme-upload-close:hover {
    color: var(--io-accent);
}

.bme-upload-filename {
    font-size: var(--io-text-xs);
    color: var(--io-text-secondary);
    margin-bottom: var(--io-space-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bme-upload-bar {
    height: 3px;
    background: var(--io-surface-sunken);
    overflow: hidden;
    margin-bottom: var(--io-space-xs);
}

.bme-upload-fill {
    height: 100%;
    background: var(--io-accent);
    transition: width 100ms ease;
}

.bme-upload-status {
    font-size: var(--io-text-xs);
    color: var(--io-text-tertiary);
}

/* ====================================================================
   HIDDEN FILE INPUT
   ==================================================================== */

.bme-file-input {
    display: none;
}