.theme-bluetheme {

    /* Surface.tsx */
    --surface-bg: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
    --surface-border: 1px solid rgba(148, 163, 184, 0.2);
    --surface-corner-accent: 2px solid rgba(59, 130, 246, 0.1);

    /* FactionTabBar.tsx */
    --faction-tab-bar-bg: linear-gradient(135deg, rgba(15, 23, 42, 1) 0%, rgba(30, 41, 59, 1) 100%);
    --faction-tab-bg: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
    --faction-tab-border: 1px solid rgba(148, 163, 184, 0.2);

    --faction-tab-active-bg: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
    --faction-tab-pinned-bg: linear-gradient(135deg, rgba(59, 130, 246, 0.4) 0%, rgba(30, 58, 138, 0.3) 50%, rgba(15, 23, 42, 0.9) 100%);

    /* PlayerCard.tsx */
    --player-card-box-bg: linear-gradient(135deg, rgba(15, 23, 42, 1) 0%, rgba(30, 41, 59, 1) 100%);

    /** Sidebar **/
    --sidebar-bg: #0e1728;
    --left-sidebar-bg: rgb(14 24 40 / 90%);
    --sidebar-border: 1px solid rgba(148, 163, 184, 0.2);

    /** Secret Hand Popup Tab (Right Sidebar) **/
    --secret-tab-bg:  linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
    --secret-tab-header-bg: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.7) 100%);
    --secret-tab-header-border: 1px solid rgba(148, 163, 184, 0.2);

    --secret-tab-hover-bg:  linear-gradient(135deg, rgba(15, 23, 42, 0.2) 0%, rgba(30, 41, 59, 0.8) 100%);
    --secret-tab-hover-border: 1px solid rgba(148, 163, 184, 0.3);

    /** Map **/
    --main-bg: #0e1728;
    --map-tabs-bg: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);

    --map-tab-border: 1px solid rgba(148, 163, 184, 0.3);
    --map-tab-hover-bg:rgba(30, 41, 59, 0.8);
    --map-tab-hover-border: rgba(59, 130, 246, 0.5);

    --map-tab-active-bg: rgba(59, 130, 246, 0.15);
    --map-tab-active-border: rgba(59, 130, 246, 0.6);

    /** Header **/
    --header-bg: linear-gradient(90deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%);
    --header-border: 1px solid rgba(59, 130, 246, 0.15);

    /** Header Tabs  **/
    --header-tab-bg: rgba(15, 23, 42, 0.5);
    --header-tab-border: 1px solid rgba(59, 130, 246, 0.3);
    --header-tab-hover-bg: rgba(37, 99, 235, 0.3);
    --header-tab-hover-border: rgba(59, 130, 246, 0.5);

    --header-tab-active-bg: rgba(37, 99, 235, 0.4);
    --header-tab-active-border: rgba(59, 130, 246, 0.7);

    /** Header Tabs Input **/
    --header-tab-input-bg: rgba(15, 23, 42, 0.8);
    --header-tab-input-border: 1px solid rgba(59, 130, 246, 0.4);

    /** Dropdown **/
    --header-tab-dropdown-bg: rgba(15, 23, 42, 0.9);
    --header-tab-dropdown-border: 1px solid rgba(59, 130, 246, 0.4);
    --header-tab-dropdown-hover-bg: rgba(37, 99, 235, 0.3);

    /** Objectives Tab **/
    --score-board-bg: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.95) 50%, rgba(15, 23, 42, 0.98) 100%);
    --score-board-divider: linear-gradient(90deg, transparent 0%, rgba(148, 163, 184, 0.3) 50%, transparent 100%);

    /** Objectives - Expanded Objective Card **/
    --objective-expanded-border-emphasis: 1px solid rgba(59, 130, 246, 0.15);
    --objective-expanded-border-default: 1px solid rgba(107, 114, 128, 0.15);

    /** Objectives - VP Indicator **/
    --objective-vp-indicator-revealed-emphasis-bg: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(37, 99, 235, 0.1) 100%);
    --objective-vp-indicator-revealed-emphasis-border: rgba(59, 130, 246, 0.3);
    --objective-vp-indicator-revealed-emphasis-glow: rgba(59, 130, 246, 0.15);

    --objective-vp-indicator-revealed-default-bg: linear-gradient(135deg, rgba(156, 163, 175, 0.2) 0%, rgba(107, 114, 128, 0.15) 100%);
    --objective-vp-indicator-revealed-default-border: rgba(156, 163, 175, 0.4);
    --objective-vp-indicator-revealed-default-glow: rgba(156, 163, 175, 0.2);

    --objective-vp-indicator-hidden-bg: linear-gradient(135deg, rgba(100, 100, 100, 0.15) 0%, rgba(75, 75, 75, 0.1) 100%);
    --objective-vp-indicator-hidden-border: rgba(100, 100, 100, 0.3);

    /** Objectives - Progress Badge **/
    --objective-progress-badge-at-threshold-bg: rgba(59, 130, 246, 0.15);
    --objective-progress-badge-at-threshold-border: 1px solid rgba(59, 130, 246, 0.4);
    --objective-progress-badge-at-threshold-glow: rgba(59, 130, 246, 0.3);

    /** Card Stack Details Modal **/
    --card-details-section-title-border: 1px solid rgba(148, 163, 184, 0.2);

    --card-details-item-bg: linear-gradient(135deg, rgba(148, 163, 184, 0.05) 0%, rgba(107, 114, 128, 0.03) 100%);
    --card-details-item-border: 1px solid rgba(148, 163, 184, 0.1);

    --card-details-copy-badge-bg: linear-gradient(135deg, rgba(148, 163, 184, 0.3) 0%, rgba(107, 114, 128, 0.25) 100%);
    --card-details-copy-badge-border: 1px solid rgba(148, 163, 184, 0.4);

    --card-details-percentage-bg: linear-gradient(135deg, rgba(148, 163, 184, 0.1) 0%, rgba(107, 114, 128, 0.08) 100%);
    --card-details-percentage-border: 1px solid rgba(148, 163, 184, 0.2);


    /** Details Card (for all the popovers) **/
    --details-card-bg: linear-gradient(135deg, rgb(15, 23, 42) 0%, rgb(30, 41, 59) 100%);
    --details-card-border: 1px solid rgba(59, 130, 246, 0.20);
  }