/**
 * QMF Notification Panel Styles
 * @version 2.0.0
 */

/* ==================== PANEL BASE ==================== */
.qmf-noti-panel {
    position: fixed;
    bottom: calc(var(--qmf-header-height, 64px) + 80px);
    right: calc(var(--qmf-space-4, 1rem) + 60px);
    width: 380px;
    max-height: 520px;
    background: var(--qmf-color-bg, #ffffff);
    border: 1px solid var(--qmf-color-border, #e5e7eb);
    border-radius: var(--qmf-radius-xl, 16px);
    box-shadow: var(--qmf-shadow-xl, 0 20px 60px rgba(0,0,0,0.15));
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
}

.qmf-noti-panel.open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* ==================== HEADER ==================== */
.qmf-noti-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--qmf-space-3, 0.75rem) var(--qmf-space-4, 1rem);
    border-bottom: 1px solid var(--qmf-color-border, #e5e7eb);
    background: var(--qmf-color-bg-alt, #f9fafb);
}

.qmf-noti-panel__title {
    display: flex;
    align-items: center;
    gap: var(--qmf-space-2, 0.5rem);
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--qmf-color-text, #1f2937);
}

.qmf-noti-panel__title svg {
    color: var(--qmf-color-primary, #3b82f6);
}

.qmf-noti-panel__header-actions {
    display: flex;
    gap: var(--qmf-space-1, 0.25rem);
}

.qmf-noti-panel__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--qmf-radius-md, 8px);
    cursor: pointer;
    color: var(--qmf-color-text-muted, #6b7280);
    transition: all 0.15s ease;
}

.qmf-noti-panel__btn:hover {
    background: var(--qmf-color-bg-hover, #f3f4f6);
    color: var(--qmf-color-text, #1f2937);
}

/* ==================== FILTERS ==================== */
.qmf-noti-panel__filters {
    display: flex;
    gap: var(--qmf-space-1, 0.25rem);
    padding: var(--qmf-space-2, 0.5rem) var(--qmf-space-3, 0.75rem);
    border-bottom: 1px solid var(--qmf-color-border, #e5e7eb);
    overflow-x: auto;
    scrollbar-width: none;
}

.qmf-noti-panel__filters::-webkit-scrollbar {
    display: none;
}

.qmf-noti-panel__filter {
    display: flex;
    align-items: center;
    gap: var(--qmf-space-1, 0.25rem);
    padding: var(--qmf-space-1, 0.25rem) var(--qmf-space-2, 0.5rem);
    border: none;
    background: var(--qmf-color-bg-alt, #f3f4f6);
    border-radius: var(--qmf-radius-md, 8px);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--qmf-color-text-muted, #6b7280);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.qmf-noti-panel__filter:hover {
    background: var(--qmf-color-bg-hover, #e5e7eb);
}

.qmf-noti-panel__filter.active {
    background: var(--qmf-color-primary, #3b82f6);
    color: white;
}

.qmf-noti-panel__filter svg {
    width: 14px;
    height: 14px;
}

.qmf-noti-panel__filter-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    font-size: 10px;
    font-weight: 600;
    color: white;
    background: var(--qmf-color-danger, #ef4444);
    border-radius: 8px;
}

.qmf-noti-panel__filter-badge:empty {
    display: none;
}

.qmf-noti-panel__filter.active .qmf-noti-panel__filter-badge {
    background: rgba(255,255,255,0.3);
}

/* ==================== CONTENT ==================== */
.qmf-noti-panel__content {
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.qmf-noti-panel__list {
    height: 100%;
    overflow-y: auto;
    padding: var(--qmf-space-1, 0.25rem) 0;
}

.qmf-noti-panel__group-label {
    padding: var(--qmf-space-2, 0.5rem) var(--qmf-space-4, 1rem);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--qmf-color-text-muted, #9ca3af);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==================== NOTIFICATION ITEM ==================== */
.qmf-noti-panel__item {
    position: relative;
    display: flex;
    gap: var(--qmf-space-3, 0.75rem);
    padding: var(--qmf-space-3, 0.75rem) var(--qmf-space-4, 1rem);
    cursor: pointer;
    transition: all 0.15s ease;
}

.qmf-noti-panel__item:hover {
    background: var(--qmf-color-bg-hover, #f3f4f6);
}

.qmf-noti-panel__item.unread {
    background: rgba(59, 130, 246, 0.05);
}

.qmf-noti-panel__item.unread:hover {
    background: rgba(59, 130, 246, 0.08);
}

.qmf-noti-panel__item.new {
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(20px);
    }
}

.qmf-noti-panel__item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--qmf-radius-full, 50%);
    flex-shrink: 0;
}

.qmf-noti-panel__item-icon svg {
    width: 20px;
    height: 20px;
}

.qmf-noti-panel__item-content {
    flex: 1;
    min-width: 0;
}

.qmf-noti-panel__item-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--qmf-color-text, #1f2937);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.qmf-noti-panel__item.unread .qmf-noti-panel__item-title {
    color: var(--qmf-color-primary-dark, #1d4ed8);
}

.qmf-noti-panel__item-message {
    font-size: 0.8125rem;
    color: var(--qmf-color-text-muted, #6b7280);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.qmf-noti-panel__item-time {
    font-size: 0.6875rem;
    color: var(--qmf-color-text-muted, #9ca3af);
    margin-top: 4px;
}

.qmf-noti-panel__item-actions {
    display: flex;
    gap: var(--qmf-space-1, 0.25rem);
    opacity: 0;
    transition: opacity 0.15s ease;
}

.qmf-noti-panel__item:hover .qmf-noti-panel__item-actions {
    opacity: 1;
}

.qmf-noti-panel__item-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: var(--qmf-color-bg, #ffffff);
    border-radius: var(--qmf-radius-md, 8px);
    cursor: pointer;
    color: var(--qmf-color-text-muted, #9ca3af);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.15s ease;
}

.qmf-noti-panel__item-btn:hover {
    color: var(--qmf-color-text, #1f2937);
    transform: scale(1.1);
}

.qmf-noti-panel__item-btn[data-item-action="delete"]:hover {
    color: var(--qmf-color-danger, #ef4444);
}

.qmf-noti-panel__unread-dot {
    position: absolute;
    left: var(--qmf-space-2, 0.5rem);
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--qmf-color-primary, #3b82f6);
    border-radius: 50%;
}

/* ==================== EMPTY STATE ==================== */
.qmf-noti-panel__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--qmf-space-12, 3rem) var(--qmf-space-4, 1rem);
    color: var(--qmf-color-text-muted, #9ca3af);
    text-align: center;
}

.qmf-noti-panel__empty svg {
    width: 48px;
    height: 48px;
    margin-bottom: var(--qmf-space-3, 0.75rem);
    opacity: 0.5;
}

.qmf-noti-panel__empty p {
    margin: 0;
    font-size: 0.875rem;
}

/* ==================== FOOTER ==================== */
.qmf-noti-panel__footer {
    padding: var(--qmf-space-3, 0.75rem) var(--qmf-space-4, 1rem);
    border-top: 1px solid var(--qmf-color-border, #e5e7eb);
    text-align: center;
}

.qmf-noti-panel__view-all {
    display: inline-flex;
    align-items: center;
    gap: var(--qmf-space-1, 0.25rem);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--qmf-color-primary, #3b82f6);
    text-decoration: none;
    transition: all 0.15s ease;
}

.qmf-noti-panel__view-all:hover {
    color: var(--qmf-color-primary-dark, #2563eb);
}

.qmf-noti-panel__view-all svg {
    width: 14px;
    height: 14px;
}

/* ==================== DARK MODE ==================== */
@media (prefers-color-scheme: dark) {
    .qmf-noti-panel {
        background: var(--qmf-color-bg-dark, #1f2937);
        border-color: var(--qmf-color-border-dark, #374151);
    }
    
    .qmf-noti-panel__header {
        background: var(--qmf-color-bg-alt-dark, #111827);
    }
    
    .qmf-noti-panel__filter {
        background: var(--qmf-color-bg-alt-dark, #374151);
        color: var(--qmf-color-text-muted-dark, #9ca3af);
    }
    
    .qmf-noti-panel__filter:hover {
        background: var(--qmf-color-bg-hover-dark, #4b5563);
    }
    
    .qmf-noti-panel__item:hover {
        background: var(--qmf-color-bg-hover-dark, #374151);
    }
    
    .qmf-noti-panel__item.unread {
        background: rgba(59, 130, 246, 0.1);
    }
    
    .qmf-noti-panel__item-title {
        color: var(--qmf-color-text-dark, #f9fafb);
    }
    
    .qmf-noti-panel__item-btn {
        background: var(--qmf-color-bg-dark, #1f2937);
    }
}

/* ==================== MOBILE ==================== */
@media (max-width: 768px) {
    .qmf-noti-panel {
        left: var(--qmf-space-2, 0.5rem);
        right: var(--qmf-space-2, 0.5rem);
        bottom: var(--qmf-space-2, 0.5rem);
        width: auto;
        max-height: 70vh;
    }
    
    .qmf-noti-panel__item-actions {
        opacity: 1;
    }
}

/* ==================== TOAST NOTIFICATION ==================== */
.qmf-noti-toast {
    position: fixed;
    top: calc(var(--qmf-header-height, 64px) + var(--qmf-space-4, 1rem));
    right: var(--qmf-space-4, 1rem);
    width: 360px;
    max-width: calc(100vw - 2rem);
    background: var(--qmf-color-bg, #ffffff);
    border: 1px solid var(--qmf-color-border, #e5e7eb);
    border-radius: var(--qmf-radius-lg, 12px);
    box-shadow: var(--qmf-shadow-lg, 0 10px 40px rgba(0,0,0,0.15));
    display: flex;
    gap: var(--qmf-space-3, 0.75rem);
    padding: var(--qmf-space-3, 0.75rem);
    animation: toastIn 0.3s ease;
    z-index: 1100;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.qmf-noti-toast.hiding {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

.qmf-noti-toast__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--qmf-radius-full, 50%);
    flex-shrink: 0;
}

.qmf-noti-toast__content {
    flex: 1;
    min-width: 0;
}

.qmf-noti-toast__title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--qmf-color-text, #1f2937);
    margin-bottom: 2px;
}

.qmf-noti-toast__message {
    font-size: 0.8125rem;
    color: var(--qmf-color-text-muted, #6b7280);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.qmf-noti-toast__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    border-radius: var(--qmf-radius-md, 8px);
    cursor: pointer;
    color: var(--qmf-color-text-muted, #9ca3af);
    align-self: flex-start;
    transition: all 0.15s ease;
}

.qmf-noti-toast__close:hover {
    background: var(--qmf-color-bg-hover, #f3f4f6);
    color: var(--qmf-color-text, #1f2937);
}

/* Toast Priority Variants */
.qmf-noti-toast--urgent {
    border-left: 4px solid var(--qmf-color-danger, #ef4444);
}

.qmf-noti-toast--high {
    border-left: 4px solid var(--qmf-color-warning, #f59e0b);
}

/* Toast Container for stacking */
.qmf-noti-toast-container {
    position: fixed;
    top: calc(var(--qmf-header-height, 64px) + var(--qmf-space-4, 1rem));
    right: var(--qmf-space-4, 1rem);
    display: flex;
    flex-direction: column;
    gap: var(--qmf-space-2, 0.5rem);
    z-index: 1100;
    pointer-events: none;
}

.qmf-noti-toast-container .qmf-noti-toast {
    position: relative;
    top: auto;
    right: auto;
    pointer-events: auto;
}

/* Dark mode for toasts */
@media (prefers-color-scheme: dark) {
    .qmf-noti-toast {
        background: var(--qmf-color-bg-dark, #1f2937);
        border-color: var(--qmf-color-border-dark, #374151);
    }
    
    .qmf-noti-toast__title {
        color: var(--qmf-color-text-dark, #f9fafb);
    }
}