/* === Toast Notifications === */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1060;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.toast {
    min-width: 280px;
    max-width: 400px;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    font-size: 0.9rem;
    opacity: 0;
    transform: translateX(100%) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
}

.toast.show {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.toast.hiding {
    opacity: 0;
    transform: translateX(100%) scale(0.95);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toast-content i {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.toast-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: transparent;
    border: none;
    color: inherit;
    opacity: 0.7;
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s, transform 0.2s;
}

.toast-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* Toast Types */
.toast-success {
    background-color: rgba(40, 167, 69, 0.95);
    color: #fff;
}

.toast-error {
    background-color: rgba(220, 53, 69, 0.95);
    color: #fff;
}

.toast-warning {
    background-color: rgba(255, 193, 7, 0.95);
    color: #000;
}

.toast-info {
    background-color: rgba(23, 162, 184, 0.95);
    color: #fff;
}

/* === Breadcrumbs === */
.breadcrumb {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.breadcrumb-item i {
    font-size: 1.1rem;
    opacity: 0.7;
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    color: rgba(255, 255, 255, 0.3);
}

.breadcrumb-item a {
    color: #e0e0e0;
    text-decoration: none;
    transition: all 0.2s ease;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.breadcrumb-item a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.breadcrumb-item.active {
    color: #9ca3af;
    font-weight: 500;
}

/* === Loading States === */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
}

.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid #d1d5db;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    z-index: 1;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* === Page Transitions === */
.page-transition {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(4px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-transition.show {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* === Keyboard Shortcuts Modal === */
.shortcut-modal .modal-content {
    background: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.shortcut-modal .modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.shortcut-modal .modal-title {
    font-weight: 600;
    letter-spacing: 0.5px;
}

.shortcut-modal .table {
    margin-bottom: 0;
}

.shortcut-modal tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.shortcut-modal td {
    padding: 0.75rem;
    vertical-align: middle;
}

.shortcut-modal kbd {
    display: inline-block;
    padding: 0.2rem 0.4rem;
    font-size: 0.875rem;
    font-family: monospace;
    line-height: 1;
    color: #e0e0e0;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    box-shadow: 0 1px 1px rgba(0,0,0,0.2);
}

/* === List Item Selection === */
.list-item {
    position: relative;
    transition: all 0.2s ease;
}

.list-item.active {
    background-color: rgba(59, 130, 246, 0.1);
    border-left: 3px solid #3b82f6;
}

.list-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* === Accessibility Enhancements === */
.skip-link {
    position: fixed;
    top: -100%;
    left: 0;
    z-index: 1070;
    padding: 1rem;
    background: #3b82f6;
    color: white;
    text-decoration: none;
    border-radius: 0 0 4px 0;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}