/**
 * File: own-notifications-bell-icon.css
 * Description: ULTIMATE AI-POWERED NOTIFICATION BELL - Styles
 * Version: 34.0.1
 */

:root {
    --nfs-primary: #6366f1;
    --nfs-primary-hover: #4f46e5;
    --nfs-secondary: #f43f5e;
    --nfs-success: #22c55e;
    --nfs-warning: #f59e0b;
    --nfs-text: #0f0f0f;
    --nfs-text-secondary: #6b7280;
    --nfs-bg: #ffffff;
    --nfs-bg-secondary: #f8fafc;
    --nfs-border: #e5e7eb;
    --nfs-shadow: 0 10px 40px rgba(0,0,0,0.12);
    --nfs-radius: 16px;
    --nfs-radius-sm: 10px;
    --nfs-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nfs-popup-width: 420px;
    --nfs-popup-max-height: 560px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --nfs-text: #e8e8e8;
        --nfs-text-secondary: #9ca3af;
        --nfs-bg: #1a1a2e;
        --nfs-bg-secondary: #14142a;
        --nfs-border: rgba(255,255,255,0.06);
        --nfs-shadow: 0 10px 40px rgba(0,0,0,0.4);
    }
}

.nfs-bell-wrapper {
    display: inline-block;
    position: relative;
    vertical-align: middle;
    margin-left: 10px;
    z-index: 9999;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.nfs-bell-wrapper.nfs-bell-fixed {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999999;
}

.nfs-bell-trigger {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    outline: none;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nfs-bell-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--nfs-bg);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: all var(--nfs-transition);
    border: 1px solid var(--nfs-border);
}

.nfs-bell-trigger:hover .nfs-bell-icon-wrapper {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
    border-color: var(--nfs-primary);
}

.nfs-bell-trigger:active .nfs-bell-icon-wrapper {
    transform: scale(0.92);
}

.nfs-bell-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nfs-bell-icon svg {
    width: 24px;
    height: 24px;
    color: var(--nfs-text);
    stroke: currentColor;
    transition: color 0.3s ease;
}

.nfs-bell-trigger:hover .nfs-bell-icon svg {
    color: var(--nfs-primary);
}

.nfs-bell-icon.has-notifications {
    animation: nfsBellRing 0.5s ease;
}

@keyframes nfsBellRing {
    0% { transform: rotate(0deg); }
    15% { transform: rotate(15deg); }
    30% { transform: rotate(-15deg); }
    45% { transform: rotate(10deg); }
    60% { transform: rotate(-10deg); }
    80% { transform: rotate(5deg); }
    100% { transform: rotate(0deg); }
}

.nfs-bell-ripple {
    position: absolute;
    top: -4px;
    right: -4px;
    width: calc(100% + 8px);
    height: calc(100% + 8px);
    border-radius: 50%;
    border: 2px solid var(--nfs-secondary);
    opacity: 0;
    animation: nfsRipple 2s ease-out infinite;
}

.nfs-bell-icon.has-notifications .nfs-bell-ripple {
    opacity: 1;
}

@keyframes nfsRipple {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.4); opacity: 0; }
}

.nfs-bell-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    background: linear-gradient(135deg, var(--nfs-secondary), #dc2626);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    line-height: 22px;
    text-align: center;
    border-radius: 11px;
    border: 2px solid var(--nfs-bg);
    box-shadow: 0 2px 8px rgba(244, 63, 94, 0.4);
    display: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nfs-bell-badge.active {
    display: inline-block;
    animation: nfsBadgePop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes nfsBadgePop {
    0% { transform: scale(0); }
    60% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.nfs-bell-popup {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: var(--nfs-popup-width);
    max-width: 92vw;
    max-height: var(--nfs-popup-max-height);
    background: var(--nfs-bg);
    border-radius: var(--nfs-radius);
    box-shadow: var(--nfs-shadow);
    border: 1px solid var(--nfs-border);
    overflow: hidden;
    display: none;
    flex-direction: column;
    animation: nfsPopupIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform-origin: top right;
}

.nfs-bell-popup.active {
    display: flex;
}

@keyframes nfsPopupIn {
    0% { opacity: 0; transform: translateY(-10px) scale(0.95); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes nfsPopupOut {
    0% { opacity: 1; transform: translateY(0) scale(1); }
    100% { opacity: 0; transform: translateY(-10px) scale(0.95); }
}

.nfs-bell-popup.closing {
    animation: nfsPopupOut 0.25s ease forwards;
}

.nfs-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--nfs-border);
    flex-shrink: 0;
    background: var(--nfs-bg-secondary);
}

.nfs-popup-title-section {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nfs-popup-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--nfs-text);
}

.nfs-popup-count {
    font-size: 12px;
    font-weight: 600;
    color: var(--nfs-text-secondary);
    background: var(--nfs-border);
    padding: 1px 10px;
    border-radius: 10px;
}

.nfs-popup-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nfs-mark-all-read {
    padding: 6px 10px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--nfs-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nfs-mark-all-read:hover {
    background: var(--nfs-border);
    color: var(--nfs-primary);
}

.nfs-popup-close {
    background: transparent;
    border: none;
    color: var(--nfs-text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.nfs-popup-close:hover {
    background: var(--nfs-border);
    color: var(--nfs-text);
}

.nfs-popup-filters {
    display: flex;
    gap: 4px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--nfs-border);
    flex-shrink: 0;
    background: var(--nfs-bg-secondary);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.nfs-filter-btn {
    padding: 4px 14px;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: var(--nfs-text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nfs-filter-btn:hover {
    background: var(--nfs-border);
}

.nfs-filter-btn.active {
    background: var(--nfs-primary);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.nfs-filter-btn.active:hover {
    background: var(--nfs-primary-hover);
}

.nfs-popup-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
    scroll-behavior: smooth;
}

.nfs-popup-body::-webkit-scrollbar {
    width: 4px;
}

.nfs-popup-body::-webkit-scrollbar-track {
    background: transparent;
}

.nfs-popup-body::-webkit-scrollbar-thumb {
    background: var(--nfs-border);
    border-radius: 4px;
}

.nfs-notification-item {
    display: flex !important;
    align-items: flex-start !important;
    gap: 12px !important;
    padding: 12px 16px !important;
    border-bottom: 1px solid var(--nfs-border) !important;
    text-decoration: none !important;
    color: inherit !important;
    transition: background 0.15s ease !important;
    cursor: pointer !important;
    position: relative !important;
}

.nfs-notification-item:hover {
    background: var(--nfs-bg-secondary) !important;
}

.nfs-notification-item.unread {
    background: rgba(99, 102, 241, 0.04) !important;
}

.nfs-notification-item.unread::before {
    content: "" !important;
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    bottom: 0 !important;
    width: 3px !important;
    background: var(--nfs-primary) !important;
    border-radius: 0 2px 2px 0 !important;
}

.nfs-notif-avatar {
    width: 44px !important;
    height: 44px !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
    background: var(--nfs-border) !important;
    overflow: hidden !important;
    margin-top: 2px !important;
    position: relative !important;
}

.nfs-notif-avatar img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
}

.nfs-notif-avatar .notification-icon {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    height: 100% !important;
    font-size: 22px !important;
    background: var(--nfs-border) !important;
}

.nfs-notif-content {
    flex: 1 !important;
    min-width: 0 !important;
    padding-right: 36px !important;
}

.nfs-notif-title {
    font-size: 14px !important;
    font-weight: 500 !important;
    color: var(--nfs-text) !important;
    line-height: 1.4 !important;
    margin-bottom: 2px !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.nfs-notif-title .type-icon {
    margin-right: 4px !important;
}

.nfs-notif-body {
    font-size: 13px !important;
    color: var(--nfs-text-secondary) !important;
    line-height: 1.4 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

.nfs-notif-meta {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    margin-top: 4px !important;
    font-size: 12px !important;
    color: var(--nfs-text-secondary) !important;
    flex-wrap: wrap !important;
}

.nfs-notif-meta .author-name {
    font-weight: 500 !important;
    color: var(--nfs-text) !important;
}

.nfs-notif-meta .badge-important {
    display: inline-block;
    font-size: 10px !important;
    padding: 1px 8px !important;
    border-radius: 10px !important;
    background: rgba(244, 63, 94, 0.12) !important;
    color: var(--nfs-secondary) !important;
    font-weight: 600 !important;
}

.nfs-notif-meta .time-ago {
    color: var(--nfs-text-secondary) !important;
    font-size: 11px !important;
}

.nfs-notif-actions {
    display: flex !important;
    gap: 4px !important;
    margin-top: 6px !important;
    opacity: 0 !important;
    transition: opacity 0.2s ease !important;
}

.nfs-notification-item:hover .nfs-notif-actions {
    opacity: 1 !important;
}

.nfs-notif-actions button {
    padding: 3px 10px !important;
    border: none !important;
    border-radius: 12px !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    background: transparent !important;
    color: var(--nfs-text-secondary) !important;
}

.nfs-notif-actions button:hover {
    background: var(--nfs-border) !important;
}

.nfs-notif-actions .btn-save {
    color: var(--nfs-warning) !important;
}

.nfs-notif-actions .btn-save.saved {
    color: var(--nfs-success) !important;
}

.nfs-notif-actions .btn-hide {
    color: var(--nfs-secondary) !important;
}

.nfs-loader {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 40px 20px !important;
    gap: 12px !important;
    color: var(--nfs-text-secondary) !important;
    font-size: 13px !important;
}

.nfs-loader-spinner {
    width: 28px !important;
    height: 28px !important;
    border: 3px solid var(--nfs-border) !important;
    border-top-color: var(--nfs-primary) !important;
    border-radius: 50% !important;
    animation: nfsSpin 0.8s linear infinite !important;
}

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

.nfs-empty-state {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 50px 20px !important;
    gap: 12px !important;
}

.nfs-empty-state .empty-icon {
    font-size: 56px !important;
    opacity: 0.6 !important;
}

.nfs-empty-state .empty-title {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--nfs-text) !important;
}

.nfs-empty-state .empty-text {
    font-size: 14px !important;
    color: var(--nfs-text-secondary) !important;
    text-align: center !important;
}

.nfs-popup-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    border-top: 1px solid var(--nfs-border);
    flex-shrink: 0;
    background: var(--nfs-bg-secondary);
}

.nfs-footer-status {
    font-size: 11px;
    color: var(--nfs-text-secondary);
}

.nfs-load-more {
    padding: 4px 16px;
    border: none;
    border-radius: 12px;
    background: var(--nfs-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.nfs-load-more:hover {
    background: var(--nfs-primary-hover);
    transform: scale(1.02);
}

@media (max-width: 640px) {
    :root {
        --nfs-popup-width: 100vw;
        --nfs-popup-max-height: 80vh;
    }

    .nfs-bell-popup {
        position: fixed !important;
        top: auto !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        border-radius: var(--nfs-radius) var(--nfs-radius) 0 0 !important;
        transform: translateY(100%) !important;
        animation: none !important;
        transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
        box-shadow: 0 -10px 40px rgba(0,0,0,0.15) !important;
        border-bottom: none !important;
    }

    .nfs-bell-popup.active {
        transform: translateY(0) !important;
        opacity: 1 !important;
    }

    .nfs-bell-popup.closing {
        transform: translateY(100%) !important;
        transition: transform 0.3s ease !important;
    }

    .nfs-bell-popup::before {
        content: "" !important;
        position: absolute !important;
        top: 8px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: 36px !important;
        height: 4px !important;
        border-radius: 2px !important;
        background: var(--nfs-border) !important;
    }

    .nfs-popup-body {
        max-height: 55vh !important;
    }

    .nfs-notif-avatar {
        width: 36px !important;
        height: 36px !important;
    }

    .nfs-notif-title {
        font-size: 13px !important;
    }

    .nfs-notif-body {
        font-size: 12px !important;
    }

    .nfs-notification-item {
        padding: 10px 14px !important;
    }

    .nfs-bell-wrapper.nfs-bell-fixed {
        bottom: 20px !important;
        right: 20px !important;
    }

    .nfs-bell-icon-wrapper {
        width: 48px !important;
        height: 48px !important;
    }

    .nfs-bell-icon svg {
        width: 22px !important;
        height: 22px !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nfs-bell-popup,
    .nfs-bell-badge,
    .nfs-bell-trigger,
    .nfs-notification-item,
    .nfs-bell-icon.has-notifications {
        animation: none !important;
        transition: none !important;
    }

    .nfs-bell-badge.active {
        animation: none !important;
    }

    .nfs-bell-ripple {
        animation: none !important;
        display: none !important;
    }
}