/* Design System Components */
@import 'tokens.css';

/* Buttons */
.primary-button {
    background-color: var(--text-color);
    color: var(--bg-color);
    font-family: var(--font-outfit);
    font-weight: 700;
    padding: 0.8rem 1.75rem;
    border-radius: 24px;
    border: none;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.165, 0.84, 0.44, 1), background-color 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.primary-button:hover, 
.primary-button.hover {
    transform: translateY(-2px);
    background-color: #E2E2E2;
}

.secondary-button {
    background-color: transparent;
    color: var(--text-color);
    font-family: var(--font-outfit);
    padding: 0.8rem 1.75rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, transform 0.2s, color 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.secondary-button:hover, 
.secondary-button.hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-color);
}

/* Glass Card */
.glow-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.glow-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* Nav Button Dot Capsule */
.nav-button {
    pointer-events: all;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background-color: #FFFFFF;
    color: #000000;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s, color 0.2s;
}

.nav-button:hover, 
.nav-button.hover {
    background-color: #111111;
    color: #FFFFFF;
    transform: scale(1.1);
}

/* Forms & Inputs */
.form-group {
    margin-bottom: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
    max-width: 400px;
}

.form-label {
    font-family: var(--font-outfit);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-color);
    font-family: var(--font-outfit);
    font-size: 0.95rem;
    transition: all 0.2s;
    outline: none;
}

.form-input:focus {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.06);
    outline: 2px solid var(--text-color);
    outline-offset: 4px;
}

/* Badges & Tags */
.tag-container {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-outfit);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.2s;
}

.tag:hover {
    transform: translateY(-1px);
}

.tag-success { background: rgba(16, 185, 129, 0.1); color: var(--success-color); border-color: rgba(16, 185, 129, 0.2); }
.tag-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); border-color: rgba(239, 68, 68, 0.2); }
.tag-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning-color); border-color: rgba(245, 158, 11, 0.2); }
.tag-info { background: rgba(59, 130, 246, 0.1); color: var(--info-color); border-color: rgba(59, 130, 246, 0.2); }

/* Loaders & Spinners */
.loader-spinner {
    width: 28px;
    height: 28px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top: 2px solid var(--text-color);
    border-radius: var(--radius-full);
    animation: spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.loader-glow {
    position: relative;
    border-top-color: #EF4444; /* arbitrary color just for showcase */
    box-shadow: var(--glow-soft);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Expanded Interactive States --- */

/* Magnetic Button helper layout supporting cursor transition */
.magnetic-btn {
    display: inline-flex;
    will-change: transform;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Focus States Rings */
.primary-button:focus, .primary-button.focus, 
.secondary-button:focus, .secondary-button.focus, 
.nav-button:focus, .nav-button.focus {
    outline: 2px solid var(--text-color);
    outline-offset: 4px;
}

/* Active Pressed Depressed States */
.primary-button:active, 
.secondary-button:active {
    transform: translateY(0) scale(0.96);
}

.nav-button:active {
    transform: scale(0.94);
}

/* Disabled Standby Grid */
.primary-button:disabled, 
.secondary-button:disabled, 
.nav-button:disabled {
    opacity: 0.4;
    pointer-events: none;
    cursor: not-allowed;
}/* --- Advanced Forms --- */

/* Checkbox */
.form-checkbox {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    outline: none;
}

.form-checkbox:checked {
    background-color: var(--text-color);
    border-color: var(--text-color);
}

.form-checkbox:checked::after {
    content: "✓";
    color: var(--bg-color);
    font-size: 0.82rem;
    font-weight: 700;
}

.form-checkbox:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

/* Radio */
.form-radio {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    outline: none;
}

.form-radio:checked {
    border-color: var(--text-color);
}

.form-radio:checked::after {
    content: "";
    width: 0.6rem;
    height: 0.6rem;
    background-color: var(--text-color);
    border-radius: 50%;
}

.form-radio:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

/* Switch (Toggle) */
.form-switch-container {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-switch {
    appearance: none;
    -webkit-appearance: none;
    width: 2.5rem;
    height: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    outline: none;
}

.form-switch::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 2px;
    transform: translateY(-50%);
    width: calc(1.25rem - 6px);
    height: calc(1.25rem - 6px);
    background-color: var(--text-color);
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-switch:checked {
    background-color: var(--text-color);
}

.form-switch:checked::after {
    transform: translate(calc(1.25rem + 2px), -50%);
    background-color: var(--bg-color);
}

/* Select */
.form-select {
    width: 100%;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    color: var(--text-color);
    font-family: var(--font-outfit);
    font-size: 0.95rem;
    transition: all 0.2s;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    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='white' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-select:focus {
    border-color: rgba(255, 255, 255, 0.4);
    outline: 2px solid var(--text-color);
    outline-offset: 0 !important;
}

/* Textarea */
.form-textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-color);
    font-family: var(--font-outfit);
    font-size: 0.95rem;
    transition: all 0.2s;
    outline: none;
    resize: vertical;
    min-height: 100px;
    width: 100%;
    max-width: 400px;
}

.form-textarea:focus {
    border-color: rgba(255, 255, 255, 0.4);
    outline: 2px solid var(--text-color);
    outline-offset: 4px;
}

/* Validation States */
.form-input.is-error, .form-select.is-error, .form-textarea.is-error {
    border-color: var(--danger-color);
}
.form-input.is-error:focus, .form-select.is-error:focus, .form-textarea.is-error:focus {
    outline-color: var(--danger-color);
}
.form-input.is-success, .form-select.is-success, .form-textarea.is-success {
    border-color: var(--success-color);
}

/* --- Feedback & Overlays --- */

/* Alert */
.alert {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-color);
    font-family: var(--font-outfit);
    font-size: 0.9rem;
    width: 100%;
    max-width: 600px;
}

.alert-success { background: rgba(16, 185, 129, 0.05); border-color: rgba(16, 185, 129, 0.2); color: var(--success-color); }
.alert-danger { background: rgba(239, 68, 68, 0.05); border-color: rgba(239, 68, 68, 0.2); color: var(--danger-color); }

/* Tooltip */
.has-tooltip {
    position: relative;
    display: inline-block;
}

.tooltip {
    visibility: hidden;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: #1A1A1A;
    color: var(--text-color);
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    transition: all 0.2s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.05);
    z-index: 10;
}

.has-tooltip:hover .tooltip {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Loading States for Buttons */
.primary-button.is-loading, 
.secondary-button.is-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.primary-button.is-loading::after, 
.secondary-button.is-loading::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.primary-button.is-loading::after { border-top-color: var(--bg-color); }
.secondary-button.is-loading::after { border-top-color: var(--text-color); }

/* Sizes Modifiers */
.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* --- Light Mode Component Overrides --- */
body.light-mode .secondary-button {
    border-color: rgba(0, 0, 0, 0.15);
}

body.light-mode .secondary-button:hover {
    background-color: rgba(0, 0, 0, 0.04);
}

body.light-mode .nav-button {
    background-color: var(--text-color); /* Dark */
    color: var(--bg-color); /* Light */
}

body.light-mode .nav-button:hover {
    background-color: #333333;
    color: #FFFFFF;
}

body.light-mode .glow-card {
    background: #FFFFFF;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.06);
}

body.light-mode .glow-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.12);
}

body.light-mode .form-input, 
body.light-mode .form-select, 
body.light-mode .form-textarea {
    background-color: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.3);
}

body.light-mode .form-select {
    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='%23050505' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}

body.light-mode .form-input:focus, 
body.light-mode .form-select:focus,
body.light-mode .form-textarea:focus {
    background-color: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.6);
}

body.light-mode .tag {
    background: rgba(0, 0, 0, 0.04);
}

body.light-mode .alert {
    background: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

body.light-mode .ds-sidebar {
    background: #FFFFFF;
    border-right-color: rgba(0, 0, 0, 0.04);
}

/* ==========================================================================
   LAYOUT & GRID SYSTEM
   ========================================================================== */

/* Container */
.ds-container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.ds-container-sm { max-width: var(--container-sm); }
.ds-container-md { max-width: var(--container-md); }
.ds-container-lg { max-width: var(--container-lg); }
.ds-container-xl { max-width: var(--container-xl); }

/* Grid System */
.ds-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-columns), minmax(0, 1fr));
    gap: var(--grid-gutter);
}

/* Col Spans */
.ds-col-1 { grid-column: span 1 / span 1; }
.ds-col-2 { grid-column: span 2 / span 2; }
.ds-col-3 { grid-column: span 3 / span 3; }
.ds-col-4 { grid-column: span 4 / span 4; }
.ds-col-5 { grid-column: span 5 / span 5; }
.ds-col-6 { grid-column: span 6 / span 6; }
.ds-col-7 { grid-column: span 7 / span 7; }
.ds-col-8 { grid-column: span 8 / span 8; }
.ds-col-9 { grid-column: span 9 / span 9; }
.ds-col-10 { grid-column: span 10 / span 10; }
.ds-col-11 { grid-column: span 11 / span 11; }
.ds-col-12 { grid-column: span 12 / span 12; }

/* Responsive Grid Overrides */
@media (max-width: 1200px) {
    .ds-col-xl-12 { grid-column: span 12 / span 12 !important; }
    .ds-col-xl-6 { grid-column: span 6 / span 6 !important; }
}

@media (max-width: 1024px) {
    .ds-col-lg-12 { grid-column: span 12 / span 12 !important; }
    .ds-col-lg-6 { grid-column: span 6 / span 6 !important; }
}

@media (max-width: 768px) {
    .ds-col-md-12 { grid-column: span 12 / span 12 !important; }
    .ds-col-md-6 { grid-column: span 6 / span 6 !important; }
}

@media (max-width: 480px) {
    .ds-col-sm-12 { grid-column: span 12 / span 12 !important; }
}

/* ==========================================================================
   NAVIGATION COMPONENTS
   ========================================================================== */

/* Navbar */
.ds-navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    width: 100%;
}

.ds-navbar-brand {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-color);
    text-decoration: none;
}

.ds-navbar-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.ds-navbar-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.ds-navbar-link:hover, .ds-navbar-link.active {
    color: var(--text-color);
}

/* Breadcrumbs */
.ds-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.ds-breadcrumbs-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ds-breadcrumbs-item:not(:last-child)::after {
    content: '/';
    color: rgba(255, 255, 255, 0.15);
}

.ds-breadcrumbs-link {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.ds-breadcrumbs-link:hover {
    color: var(--text-color);
    text-decoration: underline;
}

.ds-breadcrumbs-item:last-child {
    color: var(--text-color);
    font-weight: 500;
    pointer-events: none;
}

/* Tabs */
.ds-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
}

.ds-tab {
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.2s, border-bottom-color 0.2s;
}

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

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

/* Pagination */
.ds-pagination {
    display: flex;
    gap: 0.35rem;
    list-style: none;
    align-items: center;
}

.ds-pagination-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    background: rgba(255, 255, 255, 0.02);
}

.ds-pagination-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
}

.ds-pagination-item.active {
    background: var(--text-color);
    color: var(--bg-color);
    border-color: var(--text-color);
}

.ds-pagination-item.disabled {
    opacity: 0.4;
    pointer-events: none;
    background: transparent;
}

/* Light Mode Navigation Overrides */
body.light-mode .ds-navbar {
    background: rgba(0, 0, 0, 0.01);
    border-color: rgba(0, 0, 0, 0.06);
}

body.light-mode .ds-breadcrumbs-item:not(:last-child)::after {
    color: rgba(0, 0, 0, 0.15);
}

body.light-mode .ds-pagination-item {
    background: rgba(0, 0, 0, 0.02);
}
body.light-mode .ds-pagination-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   DATA DISPLAY COMPONENTS
   ========================================================================== */

/* Standard Card */
.ds-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.ds-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.ds-card-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.ds-card-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Data Table */
.ds-table-wrapper {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.ds-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.ds-table th {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 500;
}

.ds-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-color);
}

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

.ds-table-striped tbody tr:nth-child(odd) {
    background: rgba(255, 255, 255, 0.01);
}

.ds-table tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

/* Lists */
.ds-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ds-list-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
}

.ds-list-bullet .ds-list-item::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Avatars */
.ds-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    font-weight: 700;
    overflow: hidden;
    vertical-align: middle;
}

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

.ds-avatar-sm { width: 24px; height: 24px; font-size: 0.75rem; }
.ds-avatar-md { width: 36px; height: 36px; font-size: 0.85rem; }
.ds-avatar-lg { width: 48px; height: 48px; font-size: 1rem; }

/* Light Mode Navigation Overrides */
body.light-mode .ds-card {
    background: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

body.light-mode .ds-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.1);
}

body.light-mode .ds-table th {
    background: rgba(0, 0, 0, 0.02);
}

body.light-mode .ds-table td {
    border-bottom-color: rgba(0, 0, 0, 0.03);
}

body.light-mode .ds-table-striped tbody tr:nth-child(odd) {
    background: rgba(0, 0, 0, 0.005);
}

body.light-mode .ds-avatar {
    background: rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   FEEDBACK & STATUS EXPANSION
   ========================================================================== */

/* Toast Notifications */
.ds-toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #1A1A1A;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    color: var(--text-color);
    font-size: 0.9rem;
    width: max-content;
    max-width: 320px;
    backdrop-filter: blur(12px);
}

.ds-toast-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Empty State */
.ds-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 1.5rem;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.01);
}

.ds-empty-state-icon {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.ds-empty-state-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.35rem;
}

.ds-empty-state-text {
    font-size: 0.88rem;
    color: var(--text-muted);
    max-width: 280px;
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

/* Progress Indicators */
.ds-progress {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.ds-progress-bar {
    height: 100%;
    background: var(--text-color);
    border-radius: var(--radius-full);
}

/* Light Mode Overrides for Feedback & Status */
body.light-mode .ds-toast {
    background: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

body.light-mode .ds-empty-state {
    background: rgba(0, 0, 0, 0.01);
}

body.light-mode .ds-progress {
    background: rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   INTERACTION STATES FORCED PREVIEWS
   ========================================================================== */

/* For documentation purposes only */
.ds-focus-forced {
    outline: 2px solid var(--text-color) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.04) !important;
}

.ds-active-forced {
    transform: scale(0.98) !important;
    opacity: 0.9 !important;
}

.ds-disabled-forced {
    opacity: 0.4 !important;
    pointer-events: none !important;
    cursor: not-allowed !important;
}

body.light-mode .ds-focus-forced {
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.02) !important;
}

/* ==========================================================================
   UX PATTERNS AUXILIARY UTILITIES
   ========================================================================== */

/* Skeleton Loader Shimmer */
.ds-skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.03) 25%,
        rgba(255, 255, 255, 0.08) 37%,
        rgba(255, 255, 255, 0.03) 63%
    );
    background-size: 400% 100%;
    animation: ds-shimmer 1.4s ease infinite;
    border-radius: var(--radius-sm);
}

@keyframes ds-shimmer {
    0% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body.light-mode .ds-skeleton {
    background: linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.03) 25%,
        rgba(0, 0, 0, 0.06) 37%,
        rgba(0, 0, 0, 0.03) 63%
    );
    background-size: 400% 100%;
}