/* TODO: Review box-shadow values - consider using design system shadow variables (--shadow-xs, --shadow-sm, etc.) */
/**
 * Player Page Header Makeover
 * Modern, sleek, and polished design
 */

/* Main Header Container */
#app-container > header {
    background: linear-gradient(135deg, 
        rgba(74, 144, 226, 0.12) 0%, 
        rgba(74, 144, 226, 0.06) 50%,
        rgba(var(--color-info-rgb, 91, 192, 222), 0.08) 100%);
    border: 2px solid rgba(74, 144, 226, 0.25);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: 
        0 4px 20px rgba(var(--color-bg-primary-rgb, 26, 26, 26), 0.3),
        0 0 40px rgba(74, 144, 226, 0.1),
        inset 0 1px 0 rgba(var(--color-text-primary-rgb, 224, 224, 224), 0.1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px) saturate(180%);
    transition: all 0.3s ease;

#app-container > header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: calc(var(--spacing-xs) * 0.75);
    background: linear-gradient(90deg, 
        transparent,
        rgba(74, 144, 226, 0.8),
        rgba(var(--color-info-rgb, 91, 192, 222), 0.8),
        rgba(74, 144, 226, 0.8),
        transparent);
    animation: headerShimmer 3s ease-in-out infinite;

@keyframes headerShimmer {
    0%, 100% {
        opacity: 0.6;
        transform: translateX(-100%);

    50% {
        opacity: 1;
        transform: translateX(100%);

#app-container > header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: var(--spacing-sm);
    height: 100%;
    background: linear-gradient(180deg, 
        rgba(74, 144, 226, 0.9),
        rgba(var(--color-info-rgb, 91, 192, 222), 0.7),
        rgba(74, 144, 226, 0.9));
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
    box-shadow: 0 0 20px rgba(74, 144, 226, 0.5);

#app-container > header:hover {
    border-color: rgba(74, 144, 226, 0.4);
    box-shadow: 
        0 6px 30px rgba(var(--color-bg-primary-rgb, 26, 26, 26), 0.4),
        0 0 60px rgba(74, 144, 226, 0.15),
        inset 0 1px 0 rgba(var(--color-text-primary-rgb, 224, 224, 224), 0.15);
    transform: translateY(-2px);

/* Header Title */
#app-container > header h1 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-family: var(--font-heading, 'Orbitron', monospace);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-primary);
    text-shadow: 
        0 0 20px rgba(74, 144, 226, 0.4),
        0 2px 10px rgba(var(--color-bg-primary-rgb, 26, 26, 26), 0.5),
        0 0 40px rgba(var(--color-info-rgb, 91, 192, 222), 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    padding: var(--spacing-sm) 0;
    background: linear-gradient(135deg, 
        rgba(var(--color-text-primary-rgb, 224, 224, 224), 0.95),
        rgba(74, 144, 226, 0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite;

@keyframes titleGlow {
    0%, 100% {
        filter: brightness(1);

    50% {
        filter: brightness(1.2);

#app-container > header h1::after {
    content: '';
    position: absolute;
    bottom: -var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: calc(var(--spacing-xs) * 0.75);
    background: linear-gradient(90deg, 
        transparent,
        rgba(74, 144, 226, 0.8),
        rgba(var(--color-info-rgb, 91, 192, 222), 0.8),
        rgba(74, 144, 226, 0.8),
        transparent);
    border-radius: var(--radius-xs);
    animation: underlinePulse 2s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(74, 144, 226, 0.5);

@keyframes underlinePulse {
    0%, 100% {
        width: 120px;
        opacity: 0.7;

    50% {
        width: 184px;
        opacity: 1;

/* Header Info Container - Modern Grid Layout */
#app-container > header .header-info {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(74, 144, 226, 0.2);
    position: relative;

#app-container > header .header-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: calc(var(--spacing-3xl) * 1.25);
    height: 1px;
    background: linear-gradient(90deg, 
        transparent,
        rgba(74, 144, 226, 0.6),
        transparent);

/* Left Section - Session Info */
#app-container > header .header-info-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: flex-start;

#app-container > header .session-id {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(var(--color-bg-primary-rgb, 26, 26, 26), 0.3);
    border: 1px solid rgba(74, 144, 226, 0.3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-secondary);
    transition: all 0.3s ease;

#app-container > header .session-id:hover {
    background: rgba(var(--color-bg-primary-rgb, 26, 26, 26), 0.4);
    border-color: rgba(74, 144, 226, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.2);

#app-container > header .session-id .session-label {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-normal);
    margin-right: var(--spacing-xs);

#app-container > header #session-code {
    color: var(--color-info);
    font-family: var(--font-heading, 'Orbitron', monospace);
    letter-spacing: 0.1em;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(74, 144, 226, 0.5);

/* Async Mode Indicator */
#app-container > header .async-mode-indicator {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(40, 167, 69, 0.15);
    border: 1px solid rgba(40, 167, 69, 0.3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-success);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;

#app-container > header .async-mode-indicator.async-off {
    background: rgba(220, 53, 69, 0.15);
    border-color: rgba(220, 53, 69, 0.3);
    color: var(--color-failure);

#app-container > header .async-mode-indicator:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);

/* Navigation Links */
#app-container > header .header-nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;

#app-container > header .header-nav-link {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(var(--color-bg-primary-rgb, 26, 26, 26), 0.2);
    border: 1px solid rgba(74, 144, 226, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;

#app-container > header .header-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent,
        rgba(74, 144, 226, 0.2),
        transparent);
    transition: left 0.5s ease;

#app-container > header .header-nav-link:hover {
    background: rgba(74, 144, 226, 0.15);
    border-color: rgba(74, 144, 226, 0.4);
    color: var(--color-info);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.2);

#app-container > header .header-nav-link:hover::before {
    left: 100%;

/* Right Section - Actions */
#app-container > header .header-info-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: flex-end;

#app-container > header .header-user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(var(--color-bg-primary-rgb, 26, 26, 26), 0.2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);

/* Header Buttons - Modern Style */
#app-container > header .header-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(var(--color-bg-primary-rgb, 26, 26, 26), 0.3);
    border: 1px solid rgba(74, 144, 226, 0.3);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-heading, 'Orbitron', monospace);

#app-container > header .header-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-full);
    background: rgba(74, 144, 226, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;

#app-container > header .header-btn:hover {
    background: rgba(74, 144, 226, 0.2);
    border-color: rgba(74, 144, 226, 0.5);
    color: var(--color-info);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);

#app-container > header .header-btn:hover::before {
    width: 304px;
    height: 304px;

#app-container > header .header-btn:active {
    transform: translateY(0);

#app-container > header .header-btn.btn-info {
    background: rgba(74, 144, 226, 0.15);
    border-color: rgba(74, 144, 226, 0.4);
    color: var(--color-info);

#app-container > header .header-btn.btn-info:hover {
    background: rgba(74, 144, 226, 0.25);
    border-color: rgba(74, 144, 226, 0.6);
    box-shadow: 0 4px 16px rgba(74, 144, 226, 0.4);

#app-container > header .header-btn.btn-secondary {
    background: rgba(108, 117, 125, 0.15);
    border-color: rgba(108, 117, 125, 0.3);
    color: var(--color-text-secondary);

#app-container > header .header-btn.btn-secondary:hover {
    background: rgba(108, 117, 125, 0.25);
    border-color: rgba(108, 117, 125, 0.5);
    color: var(--color-text-primary);

/* Responsive Design */
@media (max-width: 1200px) {
    #app-container > header .header-info {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;

    #app-container > header .header-info-left,
    #app-container > header .header-info-right {
        justify-content: center;

@media (max-width: 768px) {
    #app-container > header {
        padding: var(--spacing-md);

    #app-container > header h1 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-sm);

    #app-container > header .header-info {
        gap: var(--spacing-sm);
        padding-top: var(--spacing-md);
        margin-top: var(--spacing-md);

    #app-container > header .header-info-left,
    #app-container > header .header-nav-links,
    #app-container > header .header-info-right {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-xs);

    #app-container > header .header-btn {
        width: 100%;
        justify-content: center;

@media (max-width: 480px) {
    #app-container > header {
        padding: var(--spacing-sm);
        border-radius: var(--radius-lg);

    #app-container > header h1 {
        font-size: 1.25rem;
        letter-spacing: 0.1em;

    #app-container > header .header-nav-links {
        flex-direction: column;

    #app-container > header .header-nav-link {
        width: 100%;
        text-align: center;

}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}