/* ============================================================
   BeeHive UI Component Library
   Reusable enterprise UI components
   ============================================================ */

/* ---------- Buttons ---------- */

.bh-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: inherit;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
    text-decoration: none;
    line-height: 1.25;
}

.bh-btn svg { width: 1rem; height: 1rem; flex-shrink: 0; }
.bh-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.bh-btn-primary {
    background: var(--color-primary-600);
    color: white;
}
.bh-btn-primary:hover:not(:disabled) { background: var(--color-primary-700); box-shadow: var(--shadow-md); }
.bh-btn-primary:active { transform: scale(0.98); }

.bh-btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-color);
}
.bh-btn-secondary:hover:not(:disabled) { background: var(--bg-surface-hover); border-color: var(--border-color-strong); }

.bh-btn-outline {
    background: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-600);
}
.bh-btn-outline:hover:not(:disabled) { background: var(--color-primary-50); }

.bh-btn-danger { background: var(--color-danger-600); color: white; }
.bh-btn-danger:hover:not(:disabled) { background: var(--color-danger-700); box-shadow: var(--shadow-md); }

.bh-btn-success { background: var(--color-secondary-600); color: white; }
.bh-btn-success:hover:not(:disabled) { background: var(--color-secondary-700); box-shadow: var(--shadow-md); }

.bh-btn-warning { background: var(--color-warning-500); color: var(--color-warning-900); }
.bh-btn-warning:hover:not(:disabled) { background: var(--color-warning-600); color: white; }

.bh-btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}
.bh-btn-ghost:hover:not(:disabled) { background: var(--bg-surface-hover); color: var(--text-primary); }

/* Button Sizes */
.bh-btn-sm { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
.bh-btn-lg { padding: var(--space-3) var(--space-6); font-size: var(--text-base); }
.bh-btn-icon { padding: var(--space-2); width: 2.25rem; height: 2.25rem; }
.bh-btn-icon.bh-btn-sm { width: 1.75rem; height: 1.75rem; padding: var(--space-1); }
.bh-btn-icon.bh-btn-lg { width: 3rem; height: 3rem; padding: var(--space-3); }

/* Floating Action Button */
.bh-fab {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-full);
    background: var(--color-primary-600);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-sticky);
    transition: all var(--transition-fast);
}
.bh-fab:hover { background: var(--color-primary-700); box-shadow: var(--shadow-xl); transform: scale(1.05); }
.bh-fab svg { width: 1.5rem; height: 1.5rem; }

/* Split Button */
.bh-btn-split { display: inline-flex; }
.bh-btn-split .bh-btn { border-radius: 0; }
.bh-btn-split .bh-btn:first-child { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.bh-btn-split .bh-btn:last-child { border-radius: 0 var(--radius-md) var(--radius-md) 0; border-left: 1px solid rgba(255,255,255,0.2); }

/* ---------- Inputs ---------- */

.bh-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.bh-label {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.bh-label-required::after { content: ' *'; color: var(--color-danger-500); }

.bh-input-hint {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.bh-input-error {
    font-size: var(--text-xs);
    color: var(--color-danger-600);
}

.bh-input {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: inherit;
    font-size: var(--text-sm);
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.bh-input::placeholder { color: var(--text-tertiary); }
.bh-input:hover { border-color: var(--border-color-strong); }
.bh-input:focus { border-color: var(--color-primary-500); box-shadow: var(--focus-ring); }

.bh-input.bh-input-error { border-color: var(--color-danger-500); }
.bh-input.bh-input-error:focus { box-shadow: var(--focus-ring-danger); }

.bh-input-sm { padding: var(--space-1) var(--space-2); font-size: var(--text-xs); }
.bh-input-lg { padding: var(--space-3) var(--space-4); font-size: var(--text-base); }

/* Input with icon */
.bh-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.bh-input-wrapper .bh-input { padding-left: 2.5rem; }

.bh-input-icon {
    position: absolute;
    left: var(--space-3);
    width: 1.125rem;
    height: 1.125rem;
    color: var(--text-tertiary);
    pointer-events: none;
}

.bh-input-wrapper .bh-input-action {
    position: absolute;
    right: var(--space-2);
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.bh-input-wrapper .bh-input-action:hover { color: var(--text-primary); background: var(--bg-surface-hover); }

/* Textarea */
.bh-textarea {
    min-height: 5rem;
    resize: vertical;
    font-family: inherit;
}

/* Select */
.bh-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

/* Checkbox */
.bh-checkbox {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    user-select: none;
}

.bh-checkbox input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--color-primary-600);
    cursor: pointer;
}

.bh-checkbox-label { font-size: var(--text-sm); color: var(--text-secondary); }

/* Radio */
.bh-radio {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    user-select: none;
}

.bh-radio input[type="radio"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--color-primary-600);
    cursor: pointer;
}

/* Toggle Switch */
.bh-toggle {
    position: relative;
    display: inline-block;
    width: 2.75rem;
    height: 1.5rem;
    flex-shrink: 0;
}

.bh-toggle input { opacity: 0; width: 0; height: 0; }

.bh-toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--border-color-strong);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-fast);
}

.bh-toggle-slider::before {
    content: '';
    position: absolute;
    width: 1.125rem;
    height: 1.125rem;
    left: 0.1875rem;
    top: 0.1875rem;
    background: white;
    border-radius: 50%;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.bh-toggle input:checked + .bh-toggle-slider { background: var(--color-primary-600); }
.bh-toggle input:checked + .bh-toggle-slider::before { transform: translateX(1.25rem); }

/* ---------- Cards ---------- */

.bh-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.bh-card-hover:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.bh-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.bh-card-title {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.bh-card-body { padding: var(--space-4); }
.bh-card-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-color);
    background: var(--bg-surface-hover);
}

/* Stats Card */
.bh-stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    transition: all var(--transition-fast);
}

.bh-stat-card:hover { box-shadow: var(--shadow-md); border-color: var(--border-color-strong); }

.bh-stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.bh-stat-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bh-stat-icon svg { width: 1.25rem; height: 1.25rem; }

.bh-stat-icon-blue { background: var(--color-primary-100); color: var(--color-primary-600); }
.bh-stat-icon-green { background: var(--color-secondary-100); color: var(--color-secondary-600); }
.bh-stat-icon-amber { background: var(--color-warning-100); color: var(--color-warning-600); }
.bh-stat-icon-red { background: var(--color-danger-100); color: var(--color-danger-600); }
.bh-stat-icon-purple { background: #ede9fe; color: #7c3aed; }
.bh-stat-icon-cyan { background: #cffafe; color: #0891b2; }

.bh-stat-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: var(--leading-tight);
}

.bh-stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.bh-stat-trend {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-medium);
}

.bh-stat-trend.up { color: var(--color-secondary-600); }
.bh-stat-trend.down { color: var(--color-danger-600); }
.bh-stat-trend svg { width: 0.875rem; height: 0.875rem; }

/* ---------- Tables ---------- */

.bh-table-wrapper {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.bh-table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-color);
    gap: var(--space-3);
    flex-wrap: wrap;
}

.bh-table-scroll {
    overflow-x: auto;
    max-height: 30rem;
}

.bh-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.bh-table thead {
    background: var(--bg-surface-hover);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.bh-table th {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    border-bottom: 1px solid var(--border-color);
}

.bh-table td {
    padding: var(--space-3) var(--space-4);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.bh-table tbody tr {
    transition: background var(--transition-fast);
}

.bh-table tbody tr:hover { background: var(--bg-surface-hover); }
.bh-table tbody tr:last-child td { border-bottom: none; }

/* Table with checkbox column */
.bh-table th.bh-table-check,
.bh-table td.bh-table-check {
    width: 2.5rem;
    padding-left: var(--space-4);
}

/* Table footer / pagination */
.bh-table-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border-color);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.bh-pagination {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.bh-pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.bh-pagination-btn:hover:not(:disabled) { background: var(--bg-surface-hover); color: var(--text-primary); }
.bh-pagination-btn.active { background: var(--color-primary-600); color: white; border-color: var(--color-primary-600); }
.bh-pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Badges & Chips ---------- */

.bh-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0.125rem var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.bh-badge-primary { background: var(--color-primary-100); color: var(--color-primary-700); }
.bh-badge-success { background: var(--color-secondary-100); color: var(--color-secondary-700); }
.bh-badge-warning { background: var(--color-warning-100); color: var(--color-warning-700); }
.bh-badge-danger { background: var(--color-danger-100); color: var(--color-danger-700); }
.bh-badge-neutral { background: var(--bg-surface-active); color: var(--text-secondary); }

[data-theme="dark"] .bh-badge-primary { background: rgba(59,130,246,0.15); color: var(--color-primary-400); }
[data-theme="dark"] .bh-badge-success { background: rgba(16,185,129,0.15); color: var(--color-secondary-400); }
[data-theme="dark"] .bh-badge-warning { background: rgba(245,158,11,0.15); color: var(--color-warning-400); }
[data-theme="dark"] .bh-badge-danger { background: rgba(239,68,68,0.15); color: var(--color-danger-400); }

/* Status Chip */
.bh-status-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0.125rem var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.bh-status-chip::before {
    content: '';
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background: currentColor;
}

.bh-status-chip.active { color: var(--color-secondary-600); background: var(--color-secondary-50); }
.bh-status-chip.inactive { color: var(--text-tertiary); background: var(--bg-surface-active); }
.bh-status-chip.pending { color: var(--color-warning-600); background: var(--color-warning-50); }
.bh-status-chip.suspended { color: var(--color-danger-600); background: var(--color-danger-50); }

/* ---------- Dialogs / Modals ---------- */

.bh-modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--space-4);
    animation: bh-fade-in var(--transition-fast) ease-out;
}

.bh-modal {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 32rem;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    animation: bh-scale-in var(--transition-spring) ease-out;
}

.bh-modal-lg { max-width: 48rem; }
.bh-modal-xl { max-width: 64rem; }
.bh-modal-sm { max-width: 24rem; }

.bh-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.bh-modal-title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.bh-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.bh-modal-close:hover { background: var(--bg-surface-hover); color: var(--text-primary); }

.bh-modal-body {
    padding: var(--space-5);
    overflow-y: auto;
    flex: 1;
}

.bh-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

/* ---------- Drawer / Side Panel ---------- */

.bh-drawer-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    z-index: var(--z-modal);
    animation: bh-fade-in var(--transition-fast) ease-out;
}

.bh-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 24rem;
    max-width: 90vw;
    background: var(--bg-surface);
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    animation: bh-drawer-in var(--transition-base) ease-out;
}

.bh-drawer-lg { width: 32rem; }

.bh-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.bh-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.bh-drawer-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

/* ---------- Tabs ---------- */

.bh-tabs {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.bh-tab {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-tertiary);
    border: none;
    background: transparent;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.bh-tab:hover { color: var(--text-primary); }
.bh-tab.active { color: var(--color-primary-600); border-bottom-color: var(--color-primary-600); }

/* ---------- Accordion ---------- */

.bh-accordion-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    overflow: hidden;
}

.bh-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    background: var(--bg-surface);
    transition: background var(--transition-fast);
}

.bh-accordion-header:hover { background: var(--bg-surface-hover); }

.bh-accordion-chevron {
    width: 1rem;
    height: 1rem;
    transition: transform var(--transition-fast);
    color: var(--text-tertiary);
}

.bh-accordion-item.open .bh-accordion-chevron { transform: rotate(90deg); }

.bh-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.bh-accordion-item.open .bh-accordion-content { max-height: 500px; }

.bh-accordion-content-inner { padding: var(--space-4); }

/* ---------- Toast / Snackbar ---------- */

.bh-toast-container {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    pointer-events: none;
}

.bh-toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 20rem;
    max-width: 24rem;
    pointer-events: auto;
    animation: bh-toast-in var(--transition-spring) ease-out;
}

.bh-toast-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.bh-toast-success .bh-toast-icon { color: var(--color-secondary-600); }
.bh-toast-error .bh-toast-icon { color: var(--color-danger-600); }
.bh-toast-warning .bh-toast-icon { color: var(--color-warning-600); }
.bh-toast-info .bh-toast-icon { color: var(--color-primary-600); }

.bh-toast-content { flex: 1; min-width: 0; }
.bh-toast-title { font-size: var(--text-sm); font-weight: var(--font-weight-semibold); color: var(--text-primary); }
.bh-toast-message { font-size: var(--text-sm); color: var(--text-secondary); margin-top: 0.125rem; }

.bh-toast-close {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.bh-toast-close:hover { color: var(--text-primary); background: var(--bg-surface-hover); }

/* ---------- Alert Banner ---------- */

.bh-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
}

.bh-alert-info { background: var(--color-primary-50); color: var(--color-primary-800); border: 1px solid var(--color-primary-200); }
.bh-alert-success { background: var(--color-secondary-50); color: var(--color-secondary-800); border: 1px solid var(--color-secondary-200); }
.bh-alert-warning { background: var(--color-warning-50); color: var(--color-warning-800); border: 1px solid var(--color-warning-200); }
.bh-alert-danger { background: var(--color-danger-50); color: var(--color-danger-800); border: 1px solid var(--color-danger-200); }

[data-theme="dark"] .bh-alert-info { background: rgba(59,130,246,0.1); color: var(--color-primary-300); border-color: rgba(59,130,246,0.2); }
[data-theme="dark"] .bh-alert-success { background: rgba(16,185,129,0.1); color: var(--color-secondary-300); border-color: rgba(16,185,129,0.2); }
[data-theme="dark"] .bh-alert-warning { background: rgba(245,158,11,0.1); color: var(--color-warning-300); border-color: rgba(245,158,11,0.2); }
[data-theme="dark"] .bh-alert-danger { background: rgba(239,68,68,0.1); color: var(--color-danger-300); border-color: rgba(239,68,68,0.2); }

/* ---------- Tooltip ---------- */

.bh-tooltip {
    position: absolute;
    padding: var(--space-1) var(--space-2);
    background: var(--color-neutral-900);
    color: white;
    font-size: var(--text-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    z-index: var(--z-dropdown);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .bh-tooltip { background: var(--color-neutral-700); }

.bh-tooltip.visible { opacity: 1; }

/* ---------- Progress Bar ---------- */

.bh-progress {
    width: 100%;
    height: 0.5rem;
    background: var(--bg-surface-active);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.bh-progress-bar {
    height: 100%;
    background: var(--color-primary-600);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.bh-progress-bar.success { background: var(--color-secondary-600); }
.bh-progress-bar.warning { background: var(--color-warning-500); }
.bh-progress-bar.danger { background: var(--color-danger-500); }

/* ---------- Empty State ---------- */

.bh-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
    text-align: center;
    gap: var(--space-3);
}

.bh-empty-icon {
    width: 4rem;
    height: 4rem;
    color: var(--text-tertiary);
    opacity: 0.5;
}

.bh-empty-title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.bh-empty-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    max-width: 24rem;
}

/* ---------- Grid Utilities ---------- */

.bh-grid {
    display: grid;
    gap: var(--space-4);
}

.bh-grid-2 { grid-template-columns: repeat(2, 1fr); }
.bh-grid-3 { grid-template-columns: repeat(3, 1fr); }
.bh-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .bh-grid-3, .bh-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .bh-grid-2, .bh-grid-3, .bh-grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Flex Utilities ---------- */

.bh-flex { display: flex; }
.bh-flex-col { flex-direction: column; }
.bh-items-center { align-items: center; }
.bh-justify-between { justify-content: space-between; }
.bh-justify-center { justify-content: center; }
.bh-flex-1 { flex: 1; }
.bh-gap-1 { gap: var(--space-1); }
.bh-gap-2 { gap: var(--space-2); }
.bh-gap-3 { gap: var(--space-3); }
.bh-gap-4 { gap: var(--space-4); }

/* ---------- Spacing Utilities ---------- */

.bh-mt-2 { margin-top: var(--space-2); }
.bh-mt-4 { margin-top: var(--space-4); }
.bh-mt-6 { margin-top: var(--space-6); }
.bh-mb-2 { margin-bottom: var(--space-2); }
.bh-mb-4 { margin-bottom: var(--space-4); }
.bh-mb-6 { margin-bottom: var(--space-6); }
.bh-p-4 { padding: var(--space-4); }
.bh-p-6 { padding: var(--space-6); }

/* ---------- Display Utilities ---------- */

.bh-hidden { display: none !important; }
.bh-block { display: block; }
.bh-inline-block { display: inline-block; }

/* ---------- Text Utilities ---------- */

.bh-text-xs { font-size: var(--text-xs); }
.bh-text-sm { font-size: var(--text-sm); }
.bh-text-base { font-size: var(--text-base); }
.bh-text-lg { font-size: var(--text-lg); }
.bh-text-xl { font-size: var(--text-xl); }
.bh-text-2xl { font-size: var(--text-2xl); }
.bh-text-center { text-align: center; }
.bh-text-right { text-align: right; }
.bh-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- Divider ---------- */

.bh-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-4) 0;
    border: none;
}

.bh-divider-vertical {
    width: 1px;
    height: 100%;
    background: var(--border-color);
    margin: 0 var(--space-3);
}

/* ---------- Avatar Group ---------- */

.bh-avatar-group {
    display: flex;
    align-items: center;
}

.bh-avatar-group .bh-avatar {
    border: 2px solid var(--bg-surface);
    margin-left: -0.5rem;
}

.bh-avatar-group .bh-avatar:first-child { margin-left: 0; }

/* ---------- Timeline ---------- */

.bh-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    position: relative;
    padding-left: var(--space-8);
}

.bh-timeline::before {
    content: '';
    position: absolute;
    left: 0.625rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.bh-timeline-item {
    position: relative;
}

.bh-timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-8) + 0.375rem);
    top: 0.25rem;
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
    background: var(--color-primary-600);
    border: 2px solid var(--bg-surface);
}

.bh-timeline-time {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.bh-timeline-title {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.bh-timeline-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ==================== Command Palette ==================== */

.bh-cmd-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: var(--z-command-palette, 9000);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
    animation: bh-fade-in var(--transition-fast) ease;
}

.bh-cmd-panel {
    width: 100%;
    max-width: 36rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    animation: bh-cmd-slide-in var(--transition-spring) ease-out;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
}

@keyframes bh-cmd-slide-in {
    from { opacity: 0; transform: translateY(-20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.bh-cmd-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-color);
}

.bh-cmd-search-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.bh-cmd-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: var(--text-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
}

.bh-cmd-input::placeholder {
    color: var(--text-tertiary);
}

.bh-cmd-kbd {
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    padding: 0.125rem 0.5rem;
    background: var(--bg-surface-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.bh-cmd-results {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2);
}

.bh-cmd-group {
    margin-bottom: var(--space-2);
}

.bh-cmd-group-label {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-2) var(--space-3) var(--space-1);
}

.bh-cmd-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    text-align: left;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.bh-cmd-item:hover,
.bh-cmd-item.active {
    background: var(--bg-surface-hover);
}

.bh-cmd-item-icon {
    width: 1.125rem;
    height: 1.125rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.bh-cmd-item span {
    flex: 1;
}

.bh-cmd-kbd-hint {
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    padding: 0.125rem 0.375rem;
    background: var(--bg-surface-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
}

.bh-cmd-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-2) var(--space-4);
    border-top: 1px solid var(--border-color);
    background: var(--bg-surface-hover);
}

.bh-cmd-hint {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.bh-cmd-kbd-sm {
    font-size: 0.625rem;
    font-family: var(--font-mono);
    padding: 0.0625rem 0.25rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
}

.bh-cmd-empty {
    padding: var(--space-8);
    text-align: center;
}

/* ==================== Notification Items ==================== */

.bh-notif-list {
    display: flex;
    flex-direction: column;
}

.bh-notif-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
    position: relative;
}

.bh-notif-item:last-child {
    border-bottom: none;
}

.bh-notif-item:hover {
    background: var(--bg-surface-hover);
}

.bh-notif-item.unread {
    background: var(--color-primary-50, rgba(59, 130, 246, 0.04));
}

.bh-notif-item.unread::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-primary-600);
}

.bh-notif-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bh-notif-icon svg {
    width: 1.125rem;
    height: 1.125rem;
}

.bh-notif-icon.info {
    background: var(--color-primary-100);
    color: var(--color-primary-600);
}

.bh-notif-icon.success {
    background: var(--color-secondary-100);
    color: var(--color-secondary-600);
}

.bh-notif-icon.warning {
    background: var(--color-warning-100);
    color: var(--color-warning-600);
}

.bh-notif-icon.danger {
    background: var(--color-danger-100);
    color: var(--color-danger-600);
}

.bh-notif-content {
    flex: 1;
    min-width: 0;
}

.bh-notif-title {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: 0.125rem;
}

.bh-notif-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-normal);
    margin-bottom: var(--space-1);
}

.bh-notif-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.bh-notif-time {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.bh-notif-dismiss {
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-size: var(--text-lg);
    line-height: 1;
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.bh-notif-dismiss:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

/* ==================== Dashboard Widgets ==================== */

.bh-widget {
    position: relative;
    transition: all var(--transition-normal);
}

.bh-widget-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-color);
    cursor: move;
    user-select: none;
}

.bh-widget-title {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.bh-widget-actions {
    display: flex;
    align-items: center;
    gap: 0.125rem;
}

.bh-widget-action-btn {
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    width: 1.75rem;
    height: 1.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.bh-widget-action-btn:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

.bh-widget-action-btn svg {
    width: 1rem;
    height: 1rem;
}

.bh-widget-body {
    padding: var(--space-4);
    overflow: auto;
}

.bh-widget.collapsed .bh-widget-body {
    display: none;
}

.bh-widget.collapsed .bh-widget-header {
    border-bottom: none;
}

.bh-widget.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal, 8000);
    border-radius: 0;
    margin: 0;
}

.bh-widget.fullscreen .bh-widget-body {
    overflow: auto;
    max-height: calc(100vh - 3.5rem);
}

.bh-widget.dragging {
    opacity: 0.5;
    transform: scale(0.98);
}

.bh-widget-drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    min-height: 4rem;
    transition: all var(--transition-fast);
}

.bh-widget-drop-zone.drag-over {
    border-color: var(--color-primary-600);
    background: var(--color-primary-50, rgba(59, 130, 246, 0.04));
}

.bh-widget-config-panel {
    position: absolute;
    top: 100%;
    right: 0;
    width: 16rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-3);
    z-index: var(--z-dropdown, 1000);
    display: none;
}

.bh-widget.show-config .bh-widget-config-panel {
    display: block;
}

.bh-widget-config-title {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.bh-widget-resize-handle {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 1rem;
    height: 1rem;
    cursor: se-resize;
    color: var(--text-tertiary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.bh-widget:hover .bh-widget-resize-handle {
    opacity: 0.5;
}

.bh-widget-resize-handle svg {
    width: 0.75rem;
    height: 0.75rem;
}

/* ==================== Misc Missing Styles ==================== */

.bh-text-center { text-align: center; }
.bh-text-left { text-align: left; }
.bh-text-right { text-align: right; }

.bh-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bh-font-semibold { font-weight: var(--font-weight-semibold); }
.bh-font-bold { font-weight: var(--font-weight-bold); }

.bh-btn-icon-sm {
    width: 1.75rem;
    height: 1.75rem;
}

.bh-stat-icon-red {
    background: var(--color-danger-100);
    color: var(--color-danger-600);
}

.bh-badge-info {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}

.bh-sidebar-item.active {
    background: var(--color-primary-600);
    color: white;
}

.bh-sidebar-item.active svg {
    color: white;
}