/**
 * Roof Nexus Component Library
 * Reusable UI components with futuristic dark theme
 */

/* ================================================
   BUTTONS
   ================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: var(--leading-tight);
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
    user-select: none;
    position: relative;
    overflow: hidden;
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button sizes */
.btn-xs {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    border-radius: var(--radius-md);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
}

.btn-xl {
    padding: var(--space-5) var(--space-8);
    font-size: var(--text-lg);
    border-radius: var(--radius-xl);
}

/* Primary button - Gradient with glow */
.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-neutral-0);
    border-color: transparent;
    box-shadow: var(--shadow-md), 0 0 20px rgba(26, 138, 255, 0.2);
}

.btn-primary:hover {
    box-shadow: var(--shadow-lg), 0 0 30px rgba(26, 138, 255, 0.4);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Secondary button - Glass effect */
.btn-secondary {
    background: var(--glass-bg);
    color: var(--color-neutral-100);
    border-color: var(--color-dark-border-strong);
    backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
    background: var(--glass-bg-strong);
    border-color: var(--color-primary-500);
    color: var(--color-neutral-0);
}

/* Ghost button - Transparent */
.btn-ghost {
    background: transparent;
    color: var(--color-neutral-300);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--glass-bg);
    color: var(--color-neutral-0);
}

/* Outline button */
.btn-outline {
    background: transparent;
    color: var(--color-primary-400);
    border-color: var(--color-primary-500);
}

.btn-outline:hover {
    background: rgba(26, 138, 255, 0.1);
    color: var(--color-primary-300);
    box-shadow: var(--glow-primary-subtle);
}

/* Accent button */
.btn-accent {
    background: var(--gradient-accent);
    color: var(--color-neutral-900);
    font-weight: var(--font-semibold);
}

.btn-accent:hover {
    box-shadow: var(--glow-accent);
    transform: translateY(-2px);
}

/* Danger button */
.btn-danger {
    background: var(--color-error-600);
    color: var(--color-neutral-0);
}

.btn-danger:hover {
    background: var(--color-error-500);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);
}

/* Success button */
.btn-success {
    background: var(--color-success-600);
    color: var(--color-neutral-0);
}

.btn-success:hover {
    background: var(--color-success-500);
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
}

/* Icon-only button */
.btn-icon {
    padding: var(--space-3);
    aspect-ratio: 1;
}

.btn-icon.btn-sm {
    padding: var(--space-2);
}

.btn-icon.btn-lg {
    padding: var(--space-4);
}

/* Full width button */
.btn-block {
    width: 100%;
}

/* Button with loading state */
.btn-loading {
    color: transparent;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-loading.btn-primary::after {
    border-top-color: var(--color-neutral-0);
}

/* Button group */
.btn-group {
    display: inline-flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.btn-group .btn:not(:last-child) {
    border-right-width: 0;
}

/* ================================================
   INPUTS
   ================================================ */

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.input-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-neutral-300);
}

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

.input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-neutral-100);
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border-strong);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    outline: none;
}

.input::placeholder {
    color: var(--color-neutral-500);
}

.input:hover {
    border-color: var(--color-neutral-600);
}

.input:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(26, 138, 255, 0.15);
}

.input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--color-dark-surface);
}

/* Input sizes */
.input-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

.input-lg {
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-lg);
}

/* Input states */
.input-error {
    border-color: var(--color-error-500);
}

.input-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.input-success {
    border-color: var(--color-success-500);
}

.input-success:focus {
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

/* Input with icon */
.input-with-icon {
    position: relative;
}

.input-with-icon .input {
    padding-left: var(--space-10);
}

.input-with-icon .input-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-neutral-500);
    pointer-events: none;
}

.input-with-icon-right .input {
    padding-right: var(--space-10);
}

.input-with-icon-right .input-icon {
    left: auto;
    right: var(--space-3);
}

/* Textarea */
.textarea {
    min-height: 120px;
    resize: vertical;
}

/* Select */
.select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-10);
    cursor: pointer;
}

/* Checkbox and Radio */
.checkbox-group,
.radio-group {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
}

.checkbox,
.radio {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--color-primary-500);
}

.checkbox-label,
.radio-label {
    font-size: var(--text-sm);
    color: var(--color-neutral-300);
    cursor: pointer;
}

/* Input hint/error text */
.input-hint {
    font-size: var(--text-xs);
    color: var(--color-neutral-500);
}

.input-error-text {
    font-size: var(--text-xs);
    color: var(--color-error-500);
}

/* ================================================
   CARDS
   ================================================ */

.card {
    background: var(--gradient-card);
    background-color: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.card-hover:hover {
    border-color: var(--color-dark-border-strong);
    box-shadow: var(--shadow-elevated);
    transform: translateY(-4px);
}

.card-glow:hover {
    border-color: var(--color-primary-500);
    box-shadow: var(--shadow-elevated-glow);
}

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border-color: var(--glass-border);
}

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-dark-border);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-dark-border);
    background: rgba(0, 0, 0, 0.2);
}

/* ================================================
   MODALS
   ================================================ */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    max-width: var(--container-md);
    max-height: calc(100vh - var(--space-8));
    background: var(--color-dark-elevated);
    border: 1px solid var(--color-dark-border-strong);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(20px);
    transition: var(--transition-base);
}

.modal-backdrop.active .modal {
    transform: scale(1) translateY(0);
}

.modal-sm { max-width: var(--container-sm); }
.modal-lg { max-width: var(--container-lg); }
.modal-xl { max-width: var(--container-4xl); }
.modal-full { max-width: calc(100vw - var(--space-8)); }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-dark-border);
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-0);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-neutral-400);
    transition: var(--transition-base);
}

.modal-close:hover {
    background: var(--glass-bg);
    color: var(--color-neutral-0);
}

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-dark-border);
    background: rgba(0, 0, 0, 0.2);
}

/* ================================================
   TOASTS
   ================================================ */

.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--color-dark-elevated);
    border: 1px solid var(--color-dark-border-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 300px;
    max-width: 450px;
    pointer-events: auto;
    animation: slideInRight var(--duration-300) var(--ease-out);
}

.toast.toast-exit {
    animation: slideOutRight var(--duration-300) var(--ease-in) forwards;
}

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: var(--font-semibold);
    color: var(--color-neutral-0);
    margin-bottom: var(--space-1);
}

.toast-message {
    font-size: var(--text-sm);
    color: var(--color-neutral-400);
}

.toast-close {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-neutral-500);
    transition: var(--transition-base);
}

.toast-close:hover {
    background: var(--glass-bg);
    color: var(--color-neutral-300);
}

/* Toast variants */
.toast-success {
    border-left: 3px solid var(--color-success-500);
}

.toast-success .toast-icon {
    color: var(--color-success-500);
}

.toast-error {
    border-left: 3px solid var(--color-error-500);
}

.toast-error .toast-icon {
    color: var(--color-error-500);
}

.toast-warning {
    border-left: 3px solid var(--color-warning-500);
}

.toast-warning .toast-icon {
    color: var(--color-warning-500);
}

.toast-info {
    border-left: 3px solid var(--color-info-500);
}

.toast-info .toast-icon {
    color: var(--color-info-500);
}

/* ================================================
   DRAWERS
   ================================================ */

.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: var(--z-drawer);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.drawer-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 100%;
    max-width: 400px;
    background: var(--color-dark-elevated);
    border-left: 1px solid var(--color-dark-border);
    display: flex;
    flex-direction: column;
    z-index: calc(var(--z-drawer) + 1);
    transform: translateX(100%);
    transition: transform var(--duration-300) var(--ease-out);
}

.drawer-right {
    right: 0;
}

.drawer-left {
    left: 0;
    right: auto;
    border-left: none;
    border-right: 1px solid var(--color-dark-border);
    transform: translateX(-100%);
}

.drawer-backdrop.active .drawer {
    transform: translateX(0);
}

.drawer-sm { max-width: 320px; }
.drawer-lg { max-width: 500px; }
.drawer-xl { max-width: 640px; }

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

.drawer-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-0);
}

.drawer-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--color-neutral-400);
    transition: var(--transition-base);
}

.drawer-close:hover {
    background: var(--glass-bg);
    color: var(--color-neutral-0);
}

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

.drawer-footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-dark-border);
    background: rgba(0, 0, 0, 0.2);
}

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

.tabs {
    display: flex;
    flex-direction: column;
}

.tab-list {
    display: flex;
    gap: var(--space-1);
    border-bottom: 1px solid var(--color-dark-border);
    overflow-x: auto;
}

.tab-list-pills {
    border-bottom: none;
    background: var(--color-dark-card);
    padding: var(--space-1);
    border-radius: var(--radius-lg);
}

.tab {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-neutral-400);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: var(--transition-base);
    white-space: nowrap;
}

.tab:hover {
    color: var(--color-neutral-200);
}

.tab.active {
    color: var(--color-primary-400);
    border-bottom-color: var(--color-primary-500);
}

/* Pills variant */
.tab-list-pills .tab {
    border-bottom: none;
    border-radius: var(--radius-md);
    margin-bottom: 0;
}

.tab-list-pills .tab.active {
    background: var(--color-dark-elevated);
    color: var(--color-neutral-0);
    box-shadow: var(--shadow-sm);
}

.tab-panel {
    display: none;
    padding: var(--space-6) 0;
}

.tab-panel.active {
    display: block;
    animation: fadeIn var(--duration-200) var(--ease-out);
}

/* ================================================
   BADGES
   ================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    line-height: var(--leading-none);
    border-radius: var(--radius-md);
    white-space: nowrap;
}

.badge-sm {
    padding: 2px var(--space-1);
    font-size: 10px;
}

.badge-lg {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

/* Badge variants */
.badge-default {
    background: var(--color-dark-card);
    color: var(--color-neutral-300);
    border: 1px solid var(--color-dark-border);
}

.badge-primary {
    background: rgba(26, 138, 255, 0.15);
    color: var(--color-primary-400);
    border: 1px solid rgba(26, 138, 255, 0.3);
}

.badge-accent {
    background: rgba(0, 229, 255, 0.15);
    color: var(--color-accent-400);
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-success-500);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-warning {
    background: rgba(234, 179, 8, 0.15);
    color: var(--color-warning-500);
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-error-500);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-info-500);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Solid badge variants */
.badge-solid-primary {
    background: var(--color-primary-600);
    color: var(--color-neutral-0);
}

.badge-solid-success {
    background: var(--color-success-600);
    color: var(--color-neutral-0);
}

.badge-solid-error {
    background: var(--color-error-600);
    color: var(--color-neutral-0);
}

/* Pill badge */
.badge-pill {
    border-radius: var(--radius-full);
    padding-left: var(--space-3);
    padding-right: var(--space-3);
}

/* Badge with dot indicator */
.badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ================================================
   TABLES
   ================================================ */

.table-container {
    overflow-x: auto;
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    background: var(--color-dark-card);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--space-4) var(--space-5);
    text-align: left;
    vertical-align: middle;
}

.table th {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-neutral-400);
    background: var(--color-dark-elevated);
    border-bottom: 1px solid var(--color-dark-border);
    white-space: nowrap;
}

.table td {
    font-size: var(--text-sm);
    color: var(--color-neutral-200);
    border-bottom: 1px solid var(--color-dark-border-subtle);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Hover state */
.table-hover tbody tr {
    transition: var(--transition-colors);
}

.table-hover tbody tr:hover {
    background: var(--glass-bg);
}

/* Striped table */
.table-striped tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.15);
}

/* Compact table */
.table-compact th,
.table-compact td {
    padding: var(--space-2) var(--space-3);
}

/* Sortable header */
.table th.sortable {
    cursor: pointer;
    user-select: none;
}

.table th.sortable:hover {
    color: var(--color-neutral-200);
}

.table th.sorted {
    color: var(--color-primary-400);
}

/* Table actions */
.table-actions {
    display: flex;
    gap: var(--space-2);
    justify-content: flex-end;
}

/* ================================================
   KANBAN
   ================================================ */

.kanban {
    display: flex;
    gap: var(--space-4);
    overflow-x: auto;
    padding: var(--space-4) 0;
    min-height: 500px;
}

.kanban-column {
    flex: 0 0 300px;
    display: flex;
    flex-direction: column;
    background: var(--color-dark-card);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    max-height: calc(100vh - 200px);
}

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

.kanban-column-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-200);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.kanban-column-count {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-neutral-500);
    background: var(--color-dark-elevated);
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
}

.kanban-column-body {
    flex: 1;
    padding: var(--space-3);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.kanban-card {
    background: var(--color-dark-elevated);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    cursor: grab;
    transition: var(--transition-base);
}

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

.kanban-card:active {
    cursor: grabbing;
    box-shadow: var(--shadow-lg);
}

.kanban-card-title {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-neutral-100);
    margin-bottom: var(--space-2);
}

.kanban-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--color-neutral-500);
}

.kanban-column-footer {
    padding: var(--space-3);
    border-top: 1px solid var(--color-dark-border);
}

.kanban-add-card {
    width: 100%;
    padding: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
    background: transparent;
    border: 1px dashed var(--color-dark-border-strong);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.kanban-add-card:hover {
    color: var(--color-neutral-300);
    border-color: var(--color-primary-500);
    background: rgba(26, 138, 255, 0.05);
}

/* ================================================
   AVATARS
   ================================================ */

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: var(--color-neutral-0);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-xs { width: 24px; height: 24px; font-size: var(--text-xs); }
.avatar-sm { width: 32px; height: 32px; font-size: var(--text-xs); }
.avatar-lg { width: 48px; height: 48px; font-size: var(--text-base); }
.avatar-xl { width: 64px; height: 64px; font-size: var(--text-lg); }
.avatar-2xl { width: 96px; height: 96px; font-size: var(--text-2xl); }

/* Avatar group */
.avatar-group {
    display: flex;
}

.avatar-group .avatar {
    border: 2px solid var(--color-dark-bg);
    margin-left: -8px;
}

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

/* ================================================
   DROPDOWNS
   ================================================ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--color-dark-elevated);
    border: 1px solid var(--color-dark-border-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition-fast);
}

.dropdown.active .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-menu-right {
    left: auto;
    right: 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-neutral-300);
    border-radius: var(--radius-md);
    transition: var(--transition-colors);
    text-align: left;
}

.dropdown-item:hover {
    background: var(--glass-bg);
    color: var(--color-neutral-0);
}

.dropdown-item-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error-500);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-dark-border);
    margin: var(--space-2) 0;
}

/* ================================================
   TOOLTIPS
   ================================================ */

.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    padding: var(--space-2) var(--space-3);
    background: var(--color-dark-elevated);
    border: 1px solid var(--color-dark-border-strong);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    color: var(--color-neutral-200);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: var(--z-tooltip);
    pointer-events: none;
}

.tooltip:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-8px);
}

/* ================================================
   PROGRESS BARS
   ================================================ */

.progress {
    width: 100%;
    height: 8px;
    background: var(--color-dark-card);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--duration-500) var(--ease-out);
}

.progress-sm { height: 4px; }
.progress-lg { height: 12px; }

.progress-accent .progress-bar {
    background: var(--gradient-accent);
}

.progress-success .progress-bar {
    background: var(--color-success-500);
}

.progress-error .progress-bar {
    background: var(--color-error-500);
}

/* ================================================
   SPINNERS
   ================================================ */

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-dark-border);
    border-top-color: var(--color-primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm { width: 16px; height: 16px; border-width: 2px; }
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }
.spinner-xl { width: 48px; height: 48px; border-width: 4px; }

/* ================================================
   DIVIDERS
   ================================================ */

.divider {
    height: 1px;
    background: var(--color-dark-border);
    margin: var(--space-6) 0;
}

.divider-subtle {
    background: var(--color-dark-border-subtle);
}

.divider-vertical {
    width: 1px;
    height: auto;
    margin: 0 var(--space-4);
}

/* Divider with text */
.divider-text {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    color: var(--color-neutral-500);
    font-size: var(--text-sm);
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-dark-border);
}

/* ================================================
   EMPTY STATES
   ================================================ */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-6);
    text-align: center;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    color: var(--color-neutral-600);
    margin-bottom: var(--space-4);
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-200);
    margin-bottom: var(--space-2);
}

.empty-state-description {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
    max-width: 300px;
    margin-bottom: var(--space-6);
}

/* ================================================
   SKELETON LOADERS
   ================================================ */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-dark-card) 25%,
        var(--color-dark-elevated) 50%,
        var(--color-dark-card) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 16px;
    border-radius: var(--radius-sm);
}

.skeleton-heading {
    height: 24px;
    width: 60%;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
}

.skeleton-card {
    height: 200px;
    border-radius: var(--radius-xl);
}