/* ==============================================================================
   ZALO WEB CYBER - BLACK & WHITE / MONOCHROME TECH STYLESHEET
   ============================================================================== */

:root {
    --bg-base: #06080e;
    --bg-nav: rgba(10, 12, 18, 0.88);
    --bg-sidebar: rgba(14, 17, 26, 0.85);
    --bg-chat: rgba(8, 10, 16, 0.82);
    --bg-card: rgba(22, 26, 38, 0.9);
    --bg-input: rgba(28, 28, 35, 0.8);
    --bg-bubble-received: rgba(30, 30, 38, 0.85);
    --bg-bubble-sent: rgba(44, 44, 56, 0.9);
    --bg-hover: rgba(34, 34, 44, 0.7);
    --border: rgba(39, 39, 49, 0.75);
    --border-light: rgba(58, 58, 72, 0.75);
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --accent-white: #ffffff;
    --accent-glow: rgba(255, 255, 255, 0.15);
    --accent-blue: #00d2ff;
    --danger: #ef4444;
    --success: #10b981;
    --badge-bg: #27272a;
    
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-ui);
    height: 100vh;
    overflow: hidden;
    user-select: none;
}

/* Scrollbar Custom */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #2a2a34;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #3f3f4e;
}

/* ==============================================================================
   MAIN APP LAYOUT
   ============================================================================== */

/* Fullscreen Blue Matrix Rain Canvas */
#bg-matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 0.9;
}

.app-container {
    position: relative;
    z-index: 1;
    display: flex;
    width: 100vw;
    height: 100vh;
    background: transparent;
}

/* 1. COLUMN 1: LEFT NAVIGATION ICON BAR */
.nav-sidebar {
    width: 68px;
    background-color: rgba(6, 8, 16, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 0 20px 0;
    z-index: 50;
    position: relative;
}

.nav-avatar-wrapper {
    position: relative;
    cursor: pointer;
    margin-bottom: 24px;
}

.nav-avatar {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--border-light);
    transition: transform 0.2s, border-color 0.2s;
    background: #27272a;
    display: block;
}

.nav-avatar-wrapper:hover .nav-avatar {
    transform: scale(1.06);
    border-color: #ffffff;
    box-shadow: 0 0 12px var(--accent-glow);
}

.nav-avatar-status {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 50%;
    border: 2px solid var(--bg-nav);
    box-shadow: 0 0 6px #10b981;
}

.nav-menu-top {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    align-items: center;
}

.nav-item {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    background: transparent;
    border: none;
    outline: none;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.nav-item.active {
    background: #ffffff;
    color: #000000;
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.25);
}

.nav-item svg {
    width: 22px;
    height: 22px;
    stroke-width: 2;
}

.nav-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background: #ef4444;
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
    border: 1px solid var(--bg-nav);
}

.nav-menu-bottom {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    align-items: center;
}

/* ==============================================================================
   2. COLUMN 2: LIST PANEL (CHATS / CONTACTS)
   ============================================================================== */

.list-panel {
    width: 360px;
    background-color: rgba(10, 14, 24, 0.65);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.list-header {
    padding: 14px 16px 10px 16px;
    border-bottom: 1px solid var(--border);
}

.search-box-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
}

.search-input-wrapper svg {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

.search-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px 8px 34px;
    color: #ffffff;
    font-size: 13px;
    font-family: var(--font-ui);
    outline: none;
    transition: all 0.2s;
}

.search-input:focus {
    border-color: #ffffff;
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.btn-icon-action {
    width: 34px;
    height: 34px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon-action:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: #ffffff;
}

.filter-tabs-row {
    display: flex;
    gap: 12px;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 6px;
    cursor: pointer;
    position: relative;
    transition: color 0.2s;
}

.tab-btn:hover {
    color: #ffffff;
}

.tab-btn.active {
    color: #ffffff;
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 2px;
    background: #ffffff;
}

/* LIST CONTENT SCROLL AREA */
.list-content {
    flex: 1;
    overflow-y: auto;
}

/* CHAT ITEM */
.chat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: background 0.15s;
    position: relative;
}

.chat-item:hover {
    background: var(--bg-hover);
}

.chat-item.active {
    background: #24242c;
    border-left: 3px solid #ffffff;
}

.chat-item.pinned {
    background: rgba(255, 255, 255, 0.035);
    border-left: 2px solid #71717a;
}

.chat-item.pinned.active {
    background: #24242c;
    border-left: 3px solid #ffffff;
}

.chat-item-avatar-box {
    position: relative;
    flex-shrink: 0;
}

.chat-item-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    background: #27272a;
    border: 1px solid var(--border);
}

.chat-item-info {
    flex: 1;
    min-width: 0;
}

.chat-item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 4px;
}

.chat-item-name {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-item-time {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    flex-shrink: 0;
}

.chat-item-lastmsg {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-item.active .chat-item-lastmsg {
    color: #e4e4e7;
}

/* CONTACTS VIEW (Matches Screenshot 2) */
.contacts-submenu {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

.contacts-subitem {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 4px;
}

.contacts-subitem:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
}

.contacts-subitem.active {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    font-weight: 600;
}

.alpha-header {
    padding: 8px 16px;
    background: #101013;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-mono);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.friend-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.friend-row:hover {
    background: var(--bg-hover);
}

.friend-row-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.friend-row-name {
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.friend-row-id {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ==============================================================================
   3. COLUMN 3: MAIN CHAT PANEL
   ============================================================================== */

.main-chat-panel {
    flex: 1;
    background-color: rgba(6, 8, 15, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
}

/* CHAT HEADER */
.chat-header {
    height: 68px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: rgba(10, 12, 20, 0.75);
    backdrop-filter: blur(10px);
    z-index: 20;
}

.chat-header-user {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.chat-header-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 1px solid var(--border-light);
    background: #27272a;
}

.chat-header-name {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
}

.chat-header-status {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.chat-header-actions {
    display: flex;
    gap: 8px;
}

/* CHAT MESSAGES SCROLL AREA */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: transparent;
}

.empty-chat-state {
    margin: auto;
    text-align: center;
    color: var(--text-muted);
    max-width: 320px;
}

.empty-chat-state svg {
    width: 56px;
    height: 56px;
    stroke-width: 1.5;
    margin-bottom: 16px;
    opacity: 0.4;
}

/* MESSAGE ROW */
.msg-row {
    display: flex;
    gap: 10px;
    max-width: 72%;
    position: relative;
}

.msg-row.received {
    align-self: flex-start;
}

.msg-row.sent {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.msg-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    object-fit: cover;
    background: #27272a;
    flex-shrink: 0;
}

.msg-body-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
}

.msg-sender-name {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.msg-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.5;
    position: relative;
    word-break: break-word;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
}

.msg-row.received .msg-bubble {
    background: var(--bg-bubble-received);
    color: #ffffff;
    border-top-left-radius: 3px;
}

.msg-row.sent .msg-bubble {
    background: var(--bg-bubble-sent);
    color: #ffffff;
    border-top-right-radius: 3px;
    border-color: #3f3f4c;
}

.msg-time {
    font-size: 10px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 4px;
    text-align: right;
}

.msg-row.received .msg-time {
    text-align: left;
}

.msg-photo-img {
    max-width: 340px;
    max-height: 300px;
    border-radius: 8px;
    display: block;
    cursor: pointer;
    transition: opacity 0.2s;
}

.msg-photo-img:hover {
    opacity: 0.9;
}

.msg-photo-caption {
    margin-top: 6px;
    font-size: 13px;
    color: #ffffff;
}

/* FLOATING REACTION BAR & CONTEXT MENU (Matches Screenshot 3 & 4) */
.msg-hover-actions {
    position: absolute;
    top: -16px;
    right: 10px;
    background: #18181c;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    display: none;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.6);
    z-index: 10;
}

.msg-row:hover .msg-hover-actions {
    display: flex;
}

.action-emoji-btn {
    background: transparent;
    border: none;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.15s;
    padding: 2px;
}

.action-emoji-btn:hover {
    transform: scale(1.3);
}

.action-more-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 2px;
}

.action-more-btn:hover {
    color: #ffffff;
}

/* POPUP CONTEXT MENU (Matches Screenshot 3 & 4) */
.context-menu-popup {
    position: absolute;
    background: #18181c;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    width: 220px;
    padding: 6px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 1px rgba(255,255,255,0.2);
    z-index: 100;
    display: none;
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: #f4f4f5;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s;
}

.context-menu-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.context-menu-item svg {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

.context-menu-item.danger {
    color: #f87171;
}

.context-menu-item.danger svg {
    color: #f87171;
}

.context-menu-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

/* REACTION DISPLAY BADGE UNDER BUBBLE */
.reaction-badge {
    position: absolute;
    bottom: -10px;
    right: 8px;
    background: #1c1c24;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    padding: 1px 6px;
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

/* CHAT INPUT BAR */
.chat-input-panel {
    background: #101013;
    border-top: 1px solid var(--border);
    padding: 10px 20px 14px 20px;
}

.input-toolbar {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 8px;
}

.input-tool-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: color 0.15s;
    padding: 2px;
}

.input-tool-btn:hover {
    color: #ffffff;
}

.input-tool-btn svg {
    width: 19px;
    height: 19px;
}

.input-box-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-textarea {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #ffffff;
    font-size: 14px;
    font-family: var(--font-ui);
    resize: none;
    max-height: 120px;
    padding: 6px 0;
}

.chat-textarea::placeholder {
    color: var(--text-muted);
}

.btn-send {
    background: #ffffff;
    color: #000000;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.btn-send:hover {
    transform: scale(1.08);
    background: #e4e4e7;
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.4);
}

.btn-send svg {
    width: 17px;
    height: 17px;
}

/* ==============================================================================
   4. CYBER ACCOUNT PROFILE FLOATING CARD (HOVER AVATAR)
   ============================================================================== */

.cyber-profile-popover {
    position: absolute;
    top: 16px;
    left: 80px;
    width: 340px;
    background: #111115;
    border: 1px solid #3f3f4c;
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9), 0 0 30px rgba(255, 255, 255, 0.05);
    z-index: 1000;
    display: none;
    animation: popIn 0.2s ease-out;
}

@keyframes popIn {
    from { opacity: 0; transform: scale(0.95) translateX(-8px); }
    to { opacity: 1; transform: scale(1) translateX(0); }
}

.cyber-profile-popover::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -7px;
    width: 12px;
    height: 12px;
    background: #111115;
    border-left: 1px solid #3f3f4c;
    border-bottom: 1px solid #3f3f4c;
    transform: rotate(45deg);
}

.cyber-terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    margin-bottom: 14px;
}

.terminal-title {
    font-family: var(--font-mono);
    font-size: 11px;
    color: #a1a1aa;
    letter-spacing: 1px;
}

.terminal-dots {
    display: flex;
    gap: 5px;
}

.terminal-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3f3f46;
}

.cyber-card-content {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.8;
    color: #e4e4e7;
}

.cyber-info-line {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.07);
    padding: 5px 0;
}

.cyber-info-key {
    color: var(--text-muted);
}

.cyber-info-val {
    color: #ffffff;
    font-weight: 500;
}

.typing-cursor {
    display: inline-block;
    width: 7px;
    height: 13px;
    background: #ffffff;
    margin-left: 4px;
    animation: cursorBlink 1s infinite;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ==============================================================================
   5. MODALS & POPUPS
   ============================================================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 500;
    display: none;
}

.modal-card {
    background: #121215;
    border: 1px solid var(--border-light);
    border-radius: 16px;
    width: 90%;
    max-width: 520px;
    padding: 28px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 14px;
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    transition: color 0.15s;
}

.modal-close-btn:hover {
    color: #ffffff;
}

/* FORM ELEMENTS IN MODAL */
.form-field {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-input, .form-textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    color: #ffffff;
    font-size: 13px;
    font-family: var(--font-ui);
    outline: none;
}

.form-input:focus, .form-textarea:focus {
    border-color: #ffffff;
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.btn-primary {
    width: 100%;
    background: #ffffff;
    color: #000000;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
}

.btn-primary:hover {
    background: #e4e4e7;
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.3);
}

.btn-ghost {
    width: 100%;
    background: transparent;
    border: 1px solid var(--border);
    color: #ffffff;
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    margin-top: 8px;
    transition: all 0.15s;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: #ffffff;
}

/* ACCOUNTS LIST IN SETTINGS MODAL */
.account-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    margin-bottom: 8px;
}

.account-list-item.active {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
}

.account-list-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.account-list-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    background: #27272a;
}

/* Tia sét avatar màu trắng nền đen chớp chớp */
#cyber-hacker-canvas {
    border: 1.5px solid #ffffff !important;
    background: #000000 !important;
    border-radius: 50%;
    animation: lightningPulse 2s infinite alternate ease-in-out;
}

@keyframes lightningPulse {
    0% {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.7), inset 0 0 8px rgba(255, 255, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 22px rgba(255, 255, 255, 1), 0 0 35px rgba(56, 189, 248, 0.6), inset 0 0 12px rgba(255, 255, 255, 0.7);
    }
    100% {
        box-shadow: 0 0 12px rgba(255, 255, 255, 0.8), inset 0 0 8px rgba(255, 255, 255, 0.4);
    }
}