/* === MODAL SYSTEM === */
/* Minimalistic and modern modal components following Great Lakes design language */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
}

.modal-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-ivory-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    width: 90%;
    max-width: 480px;
    max-height: 85vh;
    overflow: hidden;
    border: 1px solid var(--color-ivory-dark);
    display: flex;
    flex-direction: column;
}

body.dark-theme .modal-container {
    background: var(--color-slate-dark);
    border-color: var(--color-slate-medium);
    box-shadow: 0 25px 50px rgba(255, 255, 255, 0.1);
}

/* === MODAL HEADER === */
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-ivory-dark);
    flex-shrink: 0;
}

body.dark-theme .modal-header {
    border-bottom-color: var(--color-slate-medium);
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-slate-dark);
    margin: 0;
    letter-spacing: -0.01em;
}

body.dark-theme .modal-title {
    color: var(--color-ivory-light);
}

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

.modal-close:hover {
    background: var(--color-ivory-dark);
    color: var(--color-slate-dark);
}

body.dark-theme .modal-close {
    color: var(--color-ivory-medium);
}

body.dark-theme .modal-close:hover {
    background: var(--color-slate-medium);
    color: var(--color-ivory-light);
}

.modal-close svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* === MODAL CONTENT === */
.modal-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.modal-content::-webkit-scrollbar {
    width: 4px;
}

.modal-content::-webkit-scrollbar-track {
    background: transparent;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--color-cloud-light);
    border-radius: 2px;
}

body.dark-theme .modal-content::-webkit-scrollbar-thumb {
    background: var(--color-slate-medium);
}

/* === FOLDER SECTION === */
.folder-section {
    margin-bottom: var(--space-2);
}

.folder-input-group {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.folder-input {
    flex: 1;
    padding: var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-cloud-light);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    color: var(--color-slate-dark);
    transition: all var(--transition-fast);
}

.folder-input:focus {
    outline: none;
    border-color: var(--color-book-cloth);
    box-shadow: 0 0 0 3px rgba(204, 123, 92, 0.1);
}

.folder-input::placeholder {
    color: var(--color-cloud-medium);
}

body.dark-theme .folder-input {
    background: var(--color-slate-medium);
    border-color: var(--color-cloud-dark);
    color: var(--color-ivory-light);
}

body.dark-theme .folder-input::placeholder {
    color: var(--color-cloud-medium);
}

.create-folder-btn {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-book-cloth);
    border: none;
    border-radius: var(--radius);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.create-folder-btn:hover {
    background: #b86a4d;
    transform: scale(1.05);
}

.create-folder-btn svg {
    width: 1rem;
    height: 1rem;
}

/* === FOLDERS CONTAINER === */
.folders-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 120px;
    overflow-y: auto;
}

.folder-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-ivory-dark);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.folder-item:hover {
    border-color: var(--color-book-cloth);
    transform: translateY(-1px);
}

body.dark-theme .folder-item {
    background: var(--color-slate-medium);
    border-color: var(--color-cloud-dark);
}

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

.folder-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-kraft);
}

.folder-name {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-slate-dark);
}

body.dark-theme .folder-name {
    color: var(--color-ivory-light);
}

.folder-count {
    font-size: var(--text-xs);
    color: var(--color-cloud-medium);
    background: var(--color-ivory-dark);
    padding: 0.125rem var(--space-2);
    border-radius: var(--radius-full);
}

body.dark-theme .folder-count {
    background: var(--color-cloud-dark);
    color: var(--color-ivory-medium);
}

/* === SECTION TITLES === */
.section-title {
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-slate-dark);
    margin: 0 0 var(--space-3) 0;
    letter-spacing: -0.01em;
}

body.dark-theme .section-title {
    color: var(--color-ivory-light);
}

/* === CATEGORIES SECTION === */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--color-white);
    border: 1px solid var(--color-ivory-dark);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.category-item:hover {
    border-color: var(--color-book-cloth);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-item.selected {
    border-color: var(--color-book-cloth);
    background: rgba(204, 123, 92, 0.05);
}

body.dark-theme .category-item {
    background: var(--color-slate-medium);
    border-color: var(--color-cloud-dark);
}

body.dark-theme .category-item.selected {
    background: rgba(204, 123, 92, 0.1);
}

.category-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-book-cloth);
}

.category-item span {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-slate-dark);
}

body.dark-theme .category-item span {
    color: var(--color-ivory-light);
}

/* === SELECTED ITEMS === */
.items-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 200px;
    overflow-y: auto;
}

.item-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-ivory-dark);
    border-radius: var(--radius);
    transition: all var(--transition-fast);
}

body.dark-theme .item-card {
    background: var(--color-slate-medium);
    border-color: var(--color-cloud-dark);
}

.item-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.item-thumbnail {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-ivory-dark);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

body.dark-theme .item-thumbnail {
    background: var(--color-cloud-dark);
}

.item-details h4 {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-slate-dark);
    margin: 0 0 0.25rem 0;
}

.item-details p {
    font-size: var(--text-xs);
    color: var(--color-cloud-medium);
    margin: 0;
}

body.dark-theme .item-details h4 {
    color: var(--color-ivory-light);
}

.remove-item {
    width: 1.5rem;
    height: 1.5rem;
    background: transparent;
    border: none;
    color: var(--color-cloud-medium);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.remove-item:hover {
    background: var(--color-error);
    color: var(--color-white);
}

/* === EMPTY STATE === */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-8) var(--space-4);
    text-align: center;
}

.empty-state svg {
    width: 3rem;
    height: 3rem;
    color: var(--color-cloud-light);
}

.empty-state p {
    font-size: var(--text-sm);
    color: var(--color-cloud-medium);
    margin: 0;
}

body.dark-theme .empty-state svg {
    color: var(--color-cloud-dark);
}

body.dark-theme .empty-state p {
    color: var(--color-cloud-medium);
}

/* === FILTER SPECIFIC STYLES === */
.filter-categories {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

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

.filter-checkbox,
.filter-radio {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-slate-dark);
}

body.dark-theme .filter-checkbox,
body.dark-theme .filter-radio {
    color: var(--color-ivory-light);
}

.filter-checkbox input,
.filter-radio input {
    display: none;
}

.checkmark,
.radio-mark {
    width: 1rem;
    height: 1rem;
    border: 1px solid var(--color-cloud-light);
    background: var(--color-white);
    transition: all var(--transition-fast);
}

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

.radio-mark {
    border-radius: var(--radius-full);
}

body.dark-theme .checkmark,
body.dark-theme .radio-mark {
    background: var(--color-slate-medium);
    border-color: var(--color-cloud-dark);
}

.filter-checkbox input:checked + .checkmark {
    background: var(--color-book-cloth);
    border-color: var(--color-book-cloth);
}

.filter-radio input:checked + .radio-mark {
    background: var(--color-book-cloth);
    border-color: var(--color-book-cloth);
}

.checkmark::after {
    content: '';
    display: none;
    width: 0.25rem;
    height: 0.5rem;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin: 0.125rem 0 0 0.25rem;
}

.filter-checkbox input:checked + .checkmark::after {
    display: block;
}

.radio-mark::after {
    content: '';
    display: none;
    width: 0.375rem;
    height: 0.375rem;
    background: white;
    border-radius: var(--radius-full);
    margin: 0.1875rem;
}

.filter-radio input:checked + .radio-mark::after {
    display: block;
}

.sort-select {
    width: 100%;
    padding: var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-cloud-light);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    color: var(--color-slate-dark);
    cursor: pointer;
}

body.dark-theme .sort-select {
    background: var(--color-slate-medium);
    border-color: var(--color-cloud-dark);
    color: var(--color-ivory-light);
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.filter-tag {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--color-book-cloth);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-medium);
}

.filter-tag button {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0;
    width: 0.75rem;
    height: 0.75rem;
}

/* === MODAL FOOTER === */
.modal-footer {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-6);
    border-top: 1px solid var(--color-ivory-dark);
    flex-shrink: 0;
}

body.dark-theme .modal-footer {
    border-top-color: var(--color-slate-medium);
}

.btn-primary,
.btn-secondary {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--color-slate-dark);
    color: var(--color-ivory-light);
}

.btn-primary:hover {
    background: var(--color-slate-medium);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-slate-medium);
    border-color: var(--color-cloud-light);
}

.btn-secondary:hover {
    background: var(--color-ivory-dark);
    color: var(--color-slate-dark);
}

body.dark-theme .btn-primary {
    background: var(--color-ivory-light);
    color: var(--color-slate-dark);
}

body.dark-theme .btn-primary:hover {
    background: var(--color-ivory-medium);
}

body.dark-theme .btn-secondary {
    color: var(--color-ivory-medium);
    border-color: var(--color-cloud-dark);
}

body.dark-theme .btn-secondary:hover {
    background: var(--color-slate-medium);
    color: var(--color-ivory-light);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 640px) {
    .modal-container {
        width: 95%;
        max-height: 90vh;
    }

    .modal-header,
    .modal-content,
    .modal-footer {
        padding: var(--space-4);
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .modal-footer {
        flex-direction: column;
    }

    .folder-input-group {
        flex-direction: column;
        gap: var(--space-3);
    }

    .folder-input {
        width: 100%;
    }
}

/* === ANIMATIONS === */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.modal-overlay.active .modal-container {
    animation: slideUp var(--transition-base) var(--ease-out);
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
    .modal-overlay,
    .modal-container,
    .category-item,
    .folder-item,
    .btn-primary,
    .btn-secondary {
        transition: none;
    }

    .modal-overlay.active .modal-container {
        animation: none;
    }
}