/**
 * AdultTok Component Library v2.0
 * Reusable UI Components for Modern Interface
 * Dependencies: design-system.css
 * Last Updated: January 2026
 */

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    line-height: var(--leading-none);
    text-align: center;
    white-space: nowrap;
    border: none;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast) var(--ease-out);
    text-decoration: none;
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Button Variants */
.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-accent {
    background-color: var(--color-accent);
    color: white;
}

.btn-accent:hover:not(:disabled) {
    background-color: var(--color-accent-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-surface-hover);
    border-color: var(--color-divider);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-primary);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-surface);
}

.btn-danger {
    background-color: var(--color-error);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-xl);
}

/* Button Shapes */
.btn-pill {
    border-radius: var(--border-radius-full);
}

.btn-square {
    border-radius: var(--border-radius-sm);
}

/* Icon Buttons */
.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);
}

/* Button Groups */
.btn-group {
    display: inline-flex;
    gap: 0;
}

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

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

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

.btn-group .btn:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

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

.card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    transition: all var(--transition-base) var(--ease-out);
}

.card-elevated {
    box-shadow: var(--shadow-md);
}

.card-hoverable:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

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

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

.card-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--color-border);
    background-color: rgba(255, 255, 255, 0.02);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    color: var(--color-text-primary);
}

.card-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.card-compact .card-header,
.card-compact .card-body,
.card-compact .card-footer {
    padding: var(--space-4);
}

/* Card Variants */
.card-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.card-bordered {
    border: 1px solid var(--color-border);
}

/* ==========================================
   FORMS & INPUTS
   ========================================== */

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-label-required::after {
    content: "*";
    color: var(--color-error);
    margin-left: var(--space-1);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast) var(--ease-out);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
    border-color: var(--color-divider);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-tertiary);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

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

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

.form-hint {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

.form-error {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-error);
}

.form-input-error {
    border-color: var(--color-error);
}

.form-input-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

/* Input Groups */
.input-group {
    display: flex;
    width: 100%;
}

.input-group .form-input {
    border-radius: 0;
    flex: 1;
}

.input-group .form-input:first-child {
    border-top-left-radius: var(--border-radius-lg);
    border-bottom-left-radius: var(--border-radius-lg);
}

.input-group .form-input:last-child {
    border-top-right-radius: var(--border-radius-lg);
    border-bottom-right-radius: var(--border-radius-lg);
}

.input-group-addon {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-surface-hover);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.input-group-addon:first-child {
    border-top-left-radius: var(--border-radius-lg);
    border-bottom-left-radius: var(--border-radius-lg);
    border-right: none;
}

.input-group-addon:last-child {
    border-top-right-radius: var(--border-radius-lg);
    border-bottom-right-radius: var(--border-radius-lg);
    border-left: none;
}

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

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal-backdrop);
    padding: var(--space-4);
    animation: fadeIn var(--transition-base) var(--ease-out);
}

.modal {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    z-index: var(--z-modal);
    animation: slideInUp var(--transition-base) var(--ease-out);
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1200px;
}

.modal-fullscreen {
    max-width: 100%;
    max-height: 100%;
    height: 100%;
    border-radius: 0;
}

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

.modal-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--text-2xl);
    cursor: pointer;
    padding: var(--space-2);
    line-height: 1;
    transition: color var(--transition-fast) var(--ease-out);
}

.modal-close:hover {
    color: var(--color-text-primary);
}

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

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-6);
    border-top: 1px solid var(--color-border);
    background-color: rgba(255, 255, 255, 0.02);
}

/* ==========================================
   BADGES & LABELS
   ========================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    line-height: var(--leading-none);
    border-radius: var(--border-radius-full);
    white-space: nowrap;
}

.badge-primary {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
}

.badge-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.badge-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge-error {
    background-color: var(--color-error-bg);
    color: var(--color-error);
}

.badge-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
}

.badge-neutral {
    background-color: var(--color-surface);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

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

.badge-dot {
    padding-left: var(--space-2);
}

.badge-dot::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
}

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

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-radius: var(--border-radius-full);
    overflow: hidden;
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    font-weight: var(--font-medium);
    user-select: none;
}

.avatar-xs {
    width: 24px;
    height: 24px;
    font-size: var(--text-xs);
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--text-sm);
}

.avatar-md {
    width: 40px;
    height: 40px;
    font-size: var(--text-base);
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: var(--text-lg);
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: var(--text-2xl);
}

.avatar-2xl {
    width: 120px;
    height: 120px;
    font-size: var(--text-3xl);
}

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

.avatar-group {
    display: inline-flex;
    flex-direction: row-reverse;
}

.avatar-group .avatar {
    border: 2px solid var(--color-background);
    margin-left: -12px;
}

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

.avatar-status {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 25%;
    height: 25%;
    border-radius: 50%;
    border: 2px solid var(--color-background);
}

.avatar-status-online {
    background-color: var(--color-success);
}

.avatar-status-offline {
    background-color: var(--color-text-tertiary);
}

.avatar-status-busy {
    background-color: var(--color-error);
}

.avatar-status-away {
    background-color: var(--color-warning);
}

/* ==========================================
   ALERTS & NOTIFICATIONS
   ========================================== */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid;
}

.alert-success {
    background-color: var(--color-success-bg);
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-warning {
    background-color: var(--color-warning-bg);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.alert-error {
    background-color: var(--color-error-bg);
    border-color: var(--color-error);
    color: var(--color-error);
}

.alert-info {
    background-color: var(--color-info-bg);
    border-color: var(--color-info);
    color: var(--color-info);
}

.alert-icon {
    flex-shrink: 0;
    font-size: var(--text-xl);
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-1);
}

.alert-message {
    font-size: var(--text-sm);
    opacity: 0.9;
}

.alert-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: currentColor;
    cursor: pointer;
    padding: 0;
    font-size: var(--text-xl);
    line-height: 1;
    opacity: 0.7;
    transition: opacity var(--transition-fast) var(--ease-out);
}

.alert-close:hover {
    opacity: 1;
}

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

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

.tooltip-content {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: var(--space-2) var(--space-3);
    background-color: var(--color-text-primary);
    color: var(--color-background);
    font-size: var(--text-sm);
    border-radius: var(--border-radius-md);
    white-space: nowrap;
    z-index: var(--z-tooltip);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast) var(--ease-out);
}

.tooltip:hover .tooltip-content {
    opacity: 1;
}

.tooltip-content::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--color-text-primary);
}

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

.tabs {
    display: flex;
    gap: var(--space-2);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-6);
}

.tab {
    padding: var(--space-3) var(--space-4);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast) var(--ease-out);
    white-space: nowrap;
}

.tab:hover {
    color: var(--color-text-primary);
}

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

.tab-content {
    display: none;
}

.tab-content-active {
    display: block;
    animation: fadeIn var(--transition-base) var(--ease-out);
}

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

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: var(--space-2);
    min-width: 200px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all var(--transition-fast) var(--ease-out);
}

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

.dropdown-menu-active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-primary);
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition-fast) var(--ease-out);
}

.dropdown-item:hover {
    background-color: var(--color-surface-hover);
}

.dropdown-item-danger {
    color: var(--color-error);
}

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

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

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

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

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

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

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

.progress-bar-striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% {
        background-position: 1rem 0;
    }
    100% {
        background-position: 0 0;
    }
}

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

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-surface);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 6px;
}

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

.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-surface) 0%,
        var(--color-surface-hover) 50%,
        var(--color-surface) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--border-radius-md);
}

.skeleton-text {
    height: 1em;
    margin-bottom: var(--space-2);
}

.skeleton-circle {
    border-radius: 50%;
    aspect-ratio: 1;
}

.skeleton-rect {
    width: 100%;
    height: 100px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

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

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

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

.divider-text {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
}

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

/* ==========================================
   BREADCRUMBS
   ========================================== */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
}

.breadcrumb-item a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast) var(--ease-out);
}

.breadcrumb-item a:hover {
    color: var(--color-primary);
}

.breadcrumb-item:not(:last-child)::after {
    content: "/";
    margin-left: var(--space-2);
    color: var(--color-text-tertiary);
}

.breadcrumb-item-active {
    color: var(--color-text-primary);
}

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

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

.empty-state-icon {
    font-size: var(--text-5xl);
    opacity: 0.5;
    margin-bottom: var(--space-6);
}

.empty-state-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
}

.empty-state-message {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    max-width: 400px;
}