/* ==========================================================================
   ROBLOX GAMING THEME FOR DIRASATI PLATFORM - AMIR MOHAMMED (ENGLISH 3RD GRADE)
   ========================================================================== */

:root {
    /* Roblox Signature Colors */
    --roblox-red: #E2231A;
    --roblox-red-dark: #A5140D;
    --roblox-red-glow: rgba(226, 35, 26, 0.45);
    --roblox-blue: #00A2FF;
    --roblox-blue-glow: rgba(0, 162, 255, 0.45);
    --roblox-green: #00B06F;
    --roblox-green-glow: rgba(0, 176, 111, 0.4);
    --roblox-gold: #FFD700;
    --roblox-gold-glow: rgba(255, 215, 0, 0.45);
    
    /* Dark Gaming Theme Palette */
    --roblox-bg: #121316;
    --roblox-panel: #1A1C20;
    --roblox-card: #24272D;
    --roblox-card-hover: #2F333B;
    --roblox-border: #383D47;
    --roblox-border-glow: rgba(0, 162, 255, 0.3);

    /* System Variable Mapping */
    --primary-color: #E2231A;
    --primary-light: #FF4A42;
    --secondary-color: #00A2FF;
    --secondary-light: #52BFFF;
    --accent-color: #FFD700;
    --accent-light: #FFEAA7;
    --success-color: #00B06F;
    --danger-color: #E2231A;
    --background-color: #121316;
    --card-bg: #24272D;
    --text-main: #FFFFFF;
    --text-muted: #9DA3AE;
    
    --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 12px 30px rgba(226, 35, 26, 0.35);
    --border-radius: 12px;
    --transition-speed: 0.25s;
}

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

body.roblox-theme {
    font-family: 'Cairo', 'Changa', sans-serif;
    background-color: var(--roblox-bg);
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        radial-gradient(circle at 10% 20%, rgba(226, 35, 26, 0.12), transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(0, 162, 255, 0.12), transparent 35%);
    background-size: 36px 36px, 36px 36px, 100% 100%, 100% 100%;
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* =========================================
   Floating Roblox Blox Background Elements
   ========================================= */
.roblox-floating-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.r-blox {
    position: absolute;
    font-size: 2.2rem;
    opacity: 0.25;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
    animation: floatBlox 8s ease-in-out infinite alternate;
}

.blox-1 { top: 12%; right: 8%; animation-delay: 0s; }
.blox-2 { top: 35%; left: 6%; animation-delay: 1.5s; font-size: 2.6rem; }
.blox-3 { top: 75%; right: 12%; animation-delay: 3s; }
.blox-4 { top: 55%; right: 4%; animation-delay: 2s; }
.blox-5 { top: 22%; left: 18%; animation-delay: 4s; font-size: 1.8rem; }
.blox-6 { top: 82%; left: 10%; animation-delay: 2.5s; font-size: 2.4rem; }
.blox-7 { top: 68%; left: 45%; animation-delay: 5s; }
.blox-8 { top: 8%; left: 40%; animation-delay: 3.5s; }

@keyframes floatBlox {
    0% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(15deg); }
    100% { transform: translateY(10px) rotate(-10deg); }
}

/* =========================================
   Roblox Header & Navigation
   ========================================= */
.app-header.roblox-header {
    background: linear-gradient(180deg, #1C1E23 0%, #15171B 100%);
    color: #FFF;
    padding: 1.8rem 5% 1.4rem 5%;
    border-bottom: 4px solid var(--roblox-red);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 4px 15px var(--roblox-red-glow);
    position: relative;
    z-index: 10;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* Roblox Gamer Badge */
.user-info.roblox-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(36, 39, 45, 0.85);
    padding: 0.5rem 1.2rem 0.5rem 0.6rem;
    border-radius: 12px;
    border: 2px solid var(--roblox-border);
    box-shadow: 0 4px 15px rgba(0,0,0,0.4), inset 0 1px 1px rgba(255,255,255,0.1);
    transition: transform var(--transition-speed);
}

.user-info.roblox-badge:hover {
    transform: translateY(-2px);
    border-color: var(--roblox-gold);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.25);
}

.user-profile {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    border: 2px solid var(--roblox-gold);
    box-shadow: 0 0 10px var(--roblox-gold-glow);
    flex-shrink: 0;
}

.user-profile .profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.gamer-lvl {
    position: absolute;
    bottom: -6px;
    right: -6px;
    background: var(--roblox-red);
    color: white;
    font-size: 0.65rem;
    font-weight: 900;
    padding: 1px 5px;
    border-radius: 4px;
    border: 1px solid #FFF;
    letter-spacing: 0.5px;
}

.user-text-meta {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 800;
    color: #FFFFFF;
    font-size: 1.15rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.user-sub {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--roblox-gold);
    letter-spacing: 0.8px;
}

/* Roblox Center Logo */
.logo.roblox-logo {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    cursor: default;
}

.roblox-cube {
    width: 46px;
    height: 46px;
    background: var(--roblox-red);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(-10deg);
    box-shadow: 0 5px 0 var(--roblox-red-dark), 0 0 15px var(--roblox-red-glow);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.roblox-cube:hover {
    transform: rotate(0deg) scale(1.1);
}

.roblox-cube span {
    color: white;
    font-family: 'Fredoka', 'Cairo', sans-serif;
    font-weight: 900;
    font-size: 2rem;
    line-height: 1;
    transform: rotate(10deg);
}

.logo-text h1 {
    font-size: 1.8rem;
    font-weight: 900;
    color: #FFFFFF;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.7);
}

.logo-sub {
    display: block;
    font-size: 0.8rem;
    font-weight: 900;
    color: var(--roblox-blue);
    letter-spacing: 2px;
}

.header-spacer { width: 140px; }

/* Breadcrumb in Roblox Style */
.breadcrumb.roblox-breadcrumb {
    margin-top: 1.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.breadcrumb span {
    cursor: pointer;
    background: #24272D;
    padding: 0.45rem 1.2rem;
    border-radius: 8px;
    border: 2px solid var(--roblox-border);
    transition: all var(--transition-speed);
    color: #FFF;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 3px 0 #181A1E;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1.4;
    white-space: nowrap;
}

.breadcrumb span:hover {
    background: #32363F;
    border-color: var(--roblox-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 0 #181A1E;
}

.breadcrumb span.bacon-btn {
    background: #282126;
    border-color: #FF0055;
    color: #FFFFFF;
    box-shadow: 0 3px 0 #880E4F, 0 0 10px rgba(255, 0, 85, 0.25);
}

.breadcrumb span.bacon-btn:hover {
    background: linear-gradient(135deg, #FF0055, #E2231A);
    border-color: #FF80AB;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 5px 0 #880E4F, 0 0 16px rgba(255, 0, 85, 0.6);
}

.breadcrumb span:hover {
    background: #32363F;
    border-color: var(--roblox-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 0 #181A1E;
}

.breadcrumb span.active {
    background: var(--roblox-red);
    color: white;
    font-weight: 800;
    pointer-events: none;
    border-color: #FF5757;
    box-shadow: 0 3px 0 var(--roblox-red-dark), 0 0 15px var(--roblox-red-glow);
}

/* =========================================
   Roblox Obby Progress Track
   ========================================= */
.progress-container.roblox-progress {
    margin-top: 1.2rem;
    background: rgba(18, 19, 22, 0.7);
    padding: 0.8rem 1.2rem;
    border-radius: 10px;
    border: 1px solid var(--roblox-border);
}

.progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--roblox-blue);
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.obby-target {
    color: var(--roblox-gold);
}

.progress-track-wrap {
    position: relative;
    height: 32px;
    display: flex;
    align-items: center;
}

.progress-branch {
    position: absolute;
    left: 45px;
    right: 45px;
    height: 12px;
    background: #24272D;
    border-radius: 6px;
    border: 1px solid #3A3E47;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.6);
    overflow: hidden;
}

/* Animated Striped Pattern for Obby Track */
.progress-branch::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: repeating-linear-gradient(
        -45deg,
        rgba(0, 162, 255, 0.25),
        rgba(0, 162, 255, 0.25) 10px,
        transparent 10px,
        transparent 20px
    );
    animation: moveTrack 2s linear infinite;
}

@keyframes moveTrack {
    from { background-position: 0 0; }
    to { background-position: 40px 0; }
}

.butterfly-indicator.roblox-runner {
    position: absolute;
    right: 40px;
    font-size: 2.2rem;
    transition: right 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    filter: drop-shadow(0 0 10px var(--roblox-blue-glow));
    z-index: 3;
    animation: runnerJump 0.8s ease-in-out infinite alternate;
}

@keyframes runnerJump {
    0% { transform: translateY(0); }
    100% { transform: translateY(-6px); }
}

.lantern-end.roblox-trophy {
    position: absolute;
    left: 8px;
    font-size: 2rem;
    z-index: 3;
    filter: drop-shadow(0 0 15px var(--roblox-gold));
    animation: pulseTrophy 1.5s ease-in-out infinite alternate;
}

@keyframes pulseTrophy {
    0% { transform: scale(1); filter: drop-shadow(0 0 10px var(--roblox-gold)); }
    100% { transform: scale(1.15); filter: drop-shadow(0 0 22px var(--roblox-gold)); }
}

/* =========================================
   Main Container & Titles
   ========================================= */
.app-container {
    flex-grow: 1;
    padding: 3rem 5%;
    max-width: 1240px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

.view-title {
    text-align: center;
    font-size: 2.4rem;
    color: #FFFFFF;
    margin-bottom: 2.5rem;
    font-weight: 900;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
    position: relative;
    display: inline-block;
    width: 100%;
}

.view-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 5px;
    background: var(--roblox-red);
    margin: 0.8rem auto 0 auto;
    border-radius: 3px;
    box-shadow: 0 0 12px var(--roblox-red-glow);
}

/* =========================================
   Roblox Cards & Experience Tiles
   ========================================= */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem 2rem;
    justify-content: center;
}

.card {
    background: linear-gradient(145deg, #23262D, #1C1E23);
    border-radius: var(--border-radius);
    padding: 2.2rem 1.8rem;
    text-align: center;
    cursor: pointer;
    border: 2px solid var(--roblox-border);
    border-bottom: 6px solid #14161A;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    min-height: 210px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--roblox-blue);
    opacity: 0.8;
    transition: height 0.2s;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--roblox-blue);
    box-shadow: 0 15px 35px rgba(0, 162, 255, 0.25), 0 8px 0 #14161A;
}

.card:hover::before {
    height: 6px;
    background: var(--roblox-red);
}

.card:active {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.5), 0 3px 0 #14161A;
}

.card-badge {
    position: absolute;
    top: 12px;
    right: 14px;
    background: rgba(0, 162, 255, 0.15);
    color: var(--roblox-blue);
    border: 1px solid var(--roblox-blue);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.card h2 {
    font-size: 1.7rem;
    margin-bottom: 0.6rem;
    color: #FFFFFF;
    font-weight: 800;
}

.card p {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1.05rem;
}

.roblox-play-tag {
    margin-top: 1rem;
    display: inline-block;
    align-self: center;
    background: var(--roblox-red);
    color: white;
    padding: 0.5rem 1.4rem;
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.95rem;
    box-shadow: 0 4px 0 var(--roblox-red-dark);
    transition: all 0.15s ease;
}

.card:hover .roblox-play-tag {
    background: #FF3B30;
    box-shadow: 0 4px 0 #C4160E, 0 0 15px var(--roblox-red-glow);
}

/* =========================================
   Obby Stages Path (Wavy Lesson Nodes)
   ========================================= */
.lesson-path-container.roblox-obby-path {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3.5rem;
    padding: 2rem 0;
    position: relative;
    max-width: 650px;
    margin: 0 auto;
}

/* Neon Dotted Track */
.lesson-path-container.roblox-obby-path::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 6px;
    border-left: 6px dashed var(--roblox-blue);
    transform: translateX(-50%);
    filter: drop-shadow(0 0 10px var(--roblox-blue));
    z-index: 0;
}

.wavy-lesson-item {
    position: relative;
    z-index: 1;
    width: 270px;
}

.wavy-lesson-item:nth-child(odd) {
    transform: translateX(120px);
}
.wavy-lesson-item:nth-child(even) {
    transform: translateX(-120px);
}

/* Roblox Stage Node Cards */
.lantern-card.roblox-stage-card {
    background: linear-gradient(145deg, #252830, #1D2025);
    border-radius: 20px;
    width: 240px;
    height: 230px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 12px 25px rgba(0,0,0,0.6), 0 6px 0 #14161A;
    transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 3px solid var(--roblox-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    position: relative;
}

.stage-pill {
    position: absolute;
    top: -12px;
    background: var(--roblox-red);
    color: white;
    font-size: 0.75rem;
    font-weight: 900;
    padding: 3px 12px;
    border-radius: 12px;
    border: 2px solid #FFF;
    box-shadow: 0 3px 0 var(--roblox-red-dark);
}

.checkpoint-flag {
    position: absolute;
    bottom: -10px;
    font-size: 1.3rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.lantern-card.roblox-stage-card h2 {
    font-size: 1.4rem;
    color: #FFFFFF;
    font-weight: 800;
    margin-bottom: 0.4rem;
}

.lantern-card.roblox-stage-card p {
    color: var(--roblox-gold);
    font-weight: 700;
    font-size: 0.95rem;
}

.lantern-card.roblox-stage-card:hover {
    transform: translateY(-8px) scale(1.05);
    border-color: var(--roblox-blue);
    box-shadow: 0 15px 35px rgba(0, 162, 255, 0.35), 0 8px 0 #14161A;
}

.lantern-card.roblox-stage-card:hover .headphone-icon {
    transform: scale(1.2) rotate(-10deg);
}

.headphone-icon {
    font-size: 2.6rem;
    margin-bottom: 0.5rem;
    color: var(--roblox-blue);
    filter: drop-shadow(0 0 10px var(--roblox-blue-glow));
    transition: transform 0.2s;
}

/* =========================================
   Tabs & 3D Buttons
   ========================================= */
.lesson-tabs {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    background-color: #24272D;
    border: 2px solid var(--roblox-border);
    color: #FFF;
    padding: 0.9rem 1.8rem;
    border-radius: 10px;
    font-family: 'Cairo', sans-serif;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 0 5px 0 #14161A;
}

.tab-btn:hover {
    background-color: #2F333B;
    border-color: var(--roblox-blue);
    transform: translateY(-2px);
    box-shadow: 0 7px 0 #14161A;
}

.tab-btn.active {
    background-color: var(--roblox-red);
    color: white;
    border-color: #FF5757;
    box-shadow: 0 5px 0 var(--roblox-red-dark), 0 0 15px var(--roblox-red-glow);
}

.tab-btn:active {
    transform: translateY(4px);
    box-shadow: 0 1px 0 #14161A;
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.4s ease-out forwards; }
.hidden { display: none !important; }

/* =========================================
   Roblox Companion Mascot & Speech
   ========================================= */
.mascot-container.roblox-mascot-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.2rem;
    position: relative;
    z-index: 2;
}

.mascot-avatar-wrapper {
    width: 100px;
    height: 100px;
    border-radius: 16px;
    background: #1C1E23;
    border: 3px solid var(--roblox-gold);
    box-shadow: 0 0 20px var(--roblox-gold-glow), 0 6px 0 #14161A;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.mascot-avatar-wrapper:hover {
    transform: scale(1.1) rotate(5deg);
    border-color: #FFF;
}

.roblox-mascot-img {
    width: 90%;
    height: 90%;
    object-fit: cover;
    border-radius: 12px;
}

.mascot-sparkle {
    position: absolute;
    top: -8px;
    right: -8px;
    font-size: 1.3rem;
    animation: twinkle 1.5s infinite alternate;
}

.mascot-speech.roblox-speech {
    background: #24272D;
    color: #FFFFFF;
    padding: 1.1rem 1.6rem;
    border-radius: 14px;
    font-weight: 800;
    font-size: 1.2rem;
    position: relative;
    border: 2px solid var(--roblox-blue);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4), 0 0 15px var(--roblox-blue-glow);
    animation: popSpeech 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.mascot-speech.roblox-speech::before {
    content: '';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 10px 0 10px 14px;
    border-style: solid;
    border-color: transparent transparent transparent var(--roblox-blue);
}

.mascot-speech.roblox-speech::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 8px 0 8px 10px;
    border-style: solid;
    border-color: transparent transparent transparent #24272D;
}

/* =========================================
   Dialogues & Sentences
   ========================================= */
.section-title {
    font-size: 1.6rem;
    color: var(--roblox-blue);
    margin: 2.2rem 0 1.2rem 0;
    text-align: center;
    border-bottom: 2px dashed var(--roblox-border);
    padding-bottom: 0.6rem;
    font-weight: 900;
}

.dialogue-section { margin-bottom: 2.5rem; }
.dialogue-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    max-width: 850px;
    margin: 0 auto;
}

.dialogue-bubble {
    background-color: var(--roblox-card);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-soft);
    border: 2px solid var(--roblox-border);
    border-left: 6px solid var(--roblox-blue);
    transition: transform var(--transition-speed);
}

.dialogue-bubble:hover {
    transform: translateX(-6px);
    border-color: var(--roblox-blue);
    box-shadow: 0 10px 25px rgba(0, 162, 255, 0.2);
}

.speaker-emoji {
    font-size: 2.8rem;
    background: #191B1F;
    border-radius: 12px;
    border: 2px solid var(--roblox-border);
    padding: 0.5rem;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.5);
    flex-shrink: 0;
}

.dialogue-content { flex-grow: 1; }

.english-dialogue {
    font-family: 'Nunito', sans-serif;
    font-size: 1.5rem;
    color: #FFFFFF;
    font-weight: 800;
    margin-bottom: 0.4rem;
}

.arabic-dialogue {
    font-size: 1.2rem;
    color: var(--roblox-gold);
    font-weight: 700;
}

/* =========================================
   Flashcards Grid (Roblox Trading Items)
   ========================================= */
.flashcards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.8rem;
    justify-content: center;
}

.flashcard {
    background: linear-gradient(145deg, #252830, #1D2026);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
    border: 2px solid var(--roblox-border);
    border-bottom: 5px solid #14161A;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.flashcard:hover {
    transform: translateY(-6px);
    border-color: var(--roblox-gold);
    box-shadow: 0 12px 25px rgba(255, 215, 0, 0.2), 0 6px 0 #14161A;
}

.flashcard-emoji {
    font-size: 4.8rem;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 6px 12px rgba(0,0,0,0.4));
}

.english-word {
    font-family: 'Nunito', sans-serif;
    font-size: 1.8rem;
    color: #FFFFFF;
    font-weight: 900;
    direction: ltr;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.arabic-word {
    font-size: 1.3rem;
    color: var(--roblox-gold);
    font-weight: 700;
    padding: 0.6rem;
    background: #191B1F;
    border: 1px solid var(--roblox-border);
    border-radius: 8px;
    width: 100%;
}

.flashcard-controls { display: flex; gap: 0.8rem; }

.btn-icon {
    border: none;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-play {
    background-color: var(--roblox-blue);
    color: #FFF;
    box-shadow: 0 4px 0 #0077BA;
}
.btn-play:hover {
    background-color: #2BB3FF;
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #0077BA;
}
.btn-play:active {
    transform: translateY(3px);
    box-shadow: 0 1px 0 #0077BA;
}

.btn-translate {
    background-color: var(--roblox-green);
    color: #FFF;
    box-shadow: 0 4px 0 #007E4F;
}
.btn-translate:hover {
    background-color: #1AC382;
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #007E4F;
}
.btn-translate:active {
    transform: translateY(3px);
    box-shadow: 0 1px 0 #007E4F;
}

/* =========================================
   Minigames UI (Roblox Game Arena)
   ========================================= */
.game-header { text-align: center; margin-bottom: 2rem; }
.game-header h3 {
    font-size: 2.2rem;
    color: var(--roblox-gold);
    margin-bottom: 0.5rem;
    font-weight: 900;
    text-shadow: 0 0 15px var(--roblox-gold-glow);
}
.game-header p {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.btn-big-play {
    background-color: var(--roblox-red);
    color: white;
    border: 2px solid #FF5757;
    padding: 1rem 2.5rem;
    border-radius: 10px;
    font-family: 'Cairo', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    cursor: pointer;
    margin-top: 1rem;
    box-shadow: 0 6px 0 var(--roblox-red-dark), 0 0 20px var(--roblox-red-glow);
    transition: all 0.15s ease;
}
.btn-big-play:hover {
    transform: translateY(-3px);
    background-color: #FF3B30;
    box-shadow: 0 8px 0 var(--roblox-red-dark), 0 0 30px var(--roblox-red-glow);
}
.btn-big-play:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 var(--roblox-red-dark);
}

.feedback-msg {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 900;
    min-height: 40px;
    margin-top: 1.2rem;
}
.feedback-msg .correct {
    color: var(--roblox-green);
    animation: pop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    display: inline-block;
    text-shadow: 0 0 15px var(--roblox-green-glow);
}
.feedback-msg .wrong {
    color: var(--roblox-red);
    animation: shake 0.5s ease-in-out forwards;
    display: inline-block;
}

/* Game 1: Balloons / Orbs */
.balloon-container {
    position: relative;
    height: 420px;
    background: linear-gradient(to top, #1A1D24 0%, #242932 100%);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 3px solid var(--roblox-blue);
    box-shadow: inset 0 0 30px rgba(0,0,0,0.6);
}
.balloon {
    position: absolute;
    bottom: -100px;
    width: 85px;
    height: 105px;
    background: radial-gradient(circle at 30% 30%, #FF5757, var(--roblox-red));
    border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
    cursor: pointer;
    animation: floatUp linear forwards;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px var(--roblox-red-glow), inset -5px -5px 15px rgba(0,0,0,0.4);
    border: 2px solid rgba(255,255,255,0.4);
}
.balloon::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 25px;
    background: #FFF;
}
.balloon-emoji { font-size: 3rem; z-index: 2; pointer-events: none; }
.balloon:hover { transform: scale(1.12); }
.balloon.popped { animation: none; background: transparent; box-shadow: none; font-size: 4rem; justify-content: center; align-items: center; border: none; }
.balloon.popped::after { display: none; }
.balloon.popped-wrong { animation-play-state: paused; filter: grayscale(100%); opacity: 0.5; }
@keyframes floatUp { to { bottom: 100%; } }

/* Game 2: Memory Blox */
.memory-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    max-width: 620px;
    margin: 0 auto 2rem auto;
    perspective: 1000px;
}
.memory-card {
    width: 100%;
    aspect-ratio: 1;
    cursor: pointer;
    position: relative;
    border-radius: 12px;
}
.memory-card-inner {
    width: 100%;
    height: 100%;
    position: absolute;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
}
.memory-card.flipped .memory-card-inner { transform: rotateY(180deg); }
.memory-card.matched .memory-card-inner {
    transform: rotateY(180deg) scale(0.95);
    box-shadow: 0 0 20px var(--roblox-green);
}
.memory-card-front, .memory-card-back {
    width: 100%;
    height: 100%;
    position: absolute;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}
.memory-card-front {
    background: linear-gradient(145deg, #E2231A, #A5140D);
    font-size: 3rem;
    color: white;
    border: 3px solid #FF5757;
    box-shadow: inset 0 0 15px rgba(255,255,255,0.2), 0 5px 0 #730C07;
}
.memory-card-back {
    background-color: #24272D;
    border: 3px solid var(--roblox-blue);
    transform: rotateY(180deg);
    box-shadow: 0 0 15px var(--roblox-blue-glow);
}
.memory-card-back.emoji-content { font-size: 4rem; }
.memory-card-back.text-content {
    font-family: 'Nunito', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    color: #FFFFFF;
}

/* Game 3: Speed Run */
.speed-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.2rem;
}
.score-badge, .timer-badge {
    background: #24272D;
    padding: 0.6rem 1.6rem;
    border-radius: 10px;
    font-weight: 900;
    font-size: 1.3rem;
    box-shadow: var(--shadow-soft);
    border: 2px solid var(--roblox-border);
}
.timer-badge { color: var(--roblox-red); border-color: var(--roblox-red); }
.score-badge { color: var(--roblox-green); border-color: var(--roblox-green); }
.target-word {
    font-family: 'Nunito', sans-serif;
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--roblox-gold);
    text-align: center;
    text-shadow: 0 0 15px var(--roblox-gold-glow);
}
.arabic-target {
    font-family: 'Cairo', sans-serif;
    font-size: 2.6rem;
    color: #FFFFFF;
}
.game-options { display: flex; justify-content: center; gap: 1.2rem; flex-wrap: wrap; }
.game-option-btn {
    background-color: #24272D;
    border: 3px solid var(--roblox-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: 0 5px 0 #14161A;
    display: flex;
    align-items: center;
    justify-content: center;
}
.game-option-btn:hover {
    transform: translateY(-3px);
    border-color: var(--roblox-blue);
    box-shadow: 0 8px 0 #14161A, 0 0 15px var(--roblox-blue-glow);
}
.game-option-btn:active {
    transform: translateY(3px);
    box-shadow: 0 1px 0 #14161A;
}
.text-opt {
    font-family: 'Nunito', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: #FFF;
    padding: 1.2rem 2.2rem;
    min-width: 160px;
}

/* Game 4: Word Scramble */
.scramble-slots { display: flex; justify-content: center; gap: 0.6rem; margin-bottom: 2rem; flex-wrap: wrap; direction: ltr; }
.letter-slot {
    width: 64px;
    height: 64px;
    border: 3px dashed var(--roblox-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    color: var(--roblox-gold);
    transition: all 0.2s;
    cursor: pointer;
    background: rgba(0, 162, 255, 0.08);
}
.letter-slot.filled {
    background-color: #24272D;
    border-style: solid;
    border-color: var(--roblox-green);
    box-shadow: 0 4px 0 #14161A, 0 0 10px var(--roblox-green-glow);
}
.scramble-letters { display: flex; justify-content: center; gap: 0.6rem; flex-wrap: wrap; direction: ltr; }
.letter-btn {
    width: 64px;
    height: 64px;
    background-color: var(--roblox-blue);
    border: 2px solid #57C3FF;
    border-radius: 10px;
    font-size: 2.2rem;
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    color: white;
    cursor: pointer;
    transition: transform 0.15s, background-color 0.15s;
    box-shadow: 0 5px 0 #0074B7;
}
.letter-btn:hover {
    background-color: #38B8FF;
    transform: translateY(-2px);
    box-shadow: 0 7px 0 #0074B7;
}
.letter-btn:active { transform: translateY(4px); box-shadow: 0 1px 0 #0074B7; }
.letter-btn:empty { visibility: hidden; }

/* Game 5: Flying Energy Bubbles */
.bubbles-container {
    position: relative;
    height: 420px;
    background: linear-gradient(to bottom, #1E222B 0%, #121316 100%);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 3px solid var(--roblox-blue);
}
.flying-bubble {
    position: absolute;
    bottom: -150px;
    background: radial-gradient(circle at 30% 30%, rgba(0, 162, 255, 0.8), rgba(0, 162, 255, 0.25));
    border-radius: 50%;
    box-shadow: inset 0 0 15px #FFF, 0 0 20px var(--roblox-blue-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: floatBubble 6s ease-in infinite alternate, riseUp 8s linear forwards;
    border: 2px solid rgba(255,255,255,0.7);
}
.bubble-text {
    font-family: 'Nunito', sans-serif;
    font-weight: 900;
    font-size: 1.6rem;
    color: #FFFFFF;
    pointer-events: none;
    text-shadow: 0 2px 5px rgba(0,0,0,0.8);
}
.flying-bubble.popped { animation: none; background: transparent; box-shadow: none; border: none; font-size: 4rem; justify-content: center; align-items: center; }
.flying-bubble.popped .bubble-text { display: none; }
@keyframes floatBubble { 0% { transform: translateX(0) scale(1); } 100% { transform: translateX(50px) scale(1.1); } }
@keyframes riseUp { to { bottom: 120%; } }

/* Game 6: Cups & Ball (Mystery Blox) */
.cups-container { display: flex; justify-content: center; gap: 2rem; perspective: 1000px; margin-bottom: 2rem; flex-wrap: wrap; }
.cup-card { width: 130px; height: 130px; cursor: pointer; position: relative; }
.cup-inner { width: 100%; height: 100%; position: absolute; transition: transform 0.6s; transform-style: preserve-3d; border-radius: var(--border-radius); box-shadow: var(--shadow-soft); }
.cup-card.hidden-state .cup-inner { transform: rotateY(180deg); }
.cup-front, .cup-back { width: 100%; height: 100%; position: absolute; backface-visibility: hidden; display: flex; align-items: center; justify-content: center; font-size: 5rem; border-radius: var(--border-radius); background: #24272D; border: 3px solid var(--roblox-blue); box-shadow: 0 6px 0 #14161A; }
.cup-back { background: var(--roblox-red); transform: rotateY(180deg); border-color: #FF5757; }

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes pop { 0% { transform: scale(0.5); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-10px); } 75% { transform: translateX(10px); } }
.shake-anim { animation: shake 0.5s ease-in-out; }
@keyframes popSpeech { 0% { transform: scale(0); opacity: 0; transform-origin: left center; } 100% { transform: scale(1); opacity: 1; transform-origin: left center; } }
@keyframes twinkle { 0% { opacity: 0.2; transform: scale(0.8); } 100% { opacity: 0.9; transform: scale(1.3); } }

/* =========================================
   Interactive Scene Container (Textbook)
   ========================================= */
.interactive-scene-container {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 2.2rem;
    background: #1C1E23;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-soft);
    border: 3px solid var(--roblox-border);
}
.interactive-scene { width: 100%; max-width: 650px; height: auto; }
.interactive-room { cursor: pointer; transition: filter 0.3s ease; }
.interactive-room:hover { filter: brightness(1.2) drop-shadow(0px 4px 10px rgba(0, 162, 255, 0.4)); }
.interactive-room-label { pointer-events: none; }

/* Textbook content color contrast preservation */
.exercise-page { color: #FFF; }
.lesson-content { color: #FFFFFF !important; }
.lesson-content label { color: #FFFFFF !important; }
.lesson-content input {
    background: #2A2E36;
    color: #FFD700 !important;
    border: 2px solid var(--roblox-blue);
    border-radius: 6px;
    padding: 4px 10px;
}

/* =========================================
   Footer Section
   ========================================= */
.app-footer.roblox-footer {
    text-align: center;
    padding: 2rem 1rem;
    margin-top: auto;
    background: #15171B;
    border-top: 3px solid var(--roblox-red);
    position: relative;
    z-index: 2;
}

.footer-badge {
    display: inline-block;
    background: var(--roblox-red);
    color: white;
    padding: 4px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 900;
    margin-bottom: 0.6rem;
    box-shadow: 0 3px 0 var(--roblox-red-dark);
}

.footer-content p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.footer-content a {
    color: var(--roblox-blue);
    text-decoration: none;
    font-weight: 800;
    transition: color var(--transition-speed);
}

.footer-content a:hover {
    color: var(--roblox-gold);
    text-decoration: underline;
}

/* =========================================
   Roblox Companion AI Translator Bot
   ========================================= */
.ai-bot-container.roblox-bot-container {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
    font-family: 'Cairo', sans-serif;
}

.ai-bot-toggle.roblox-bot-toggle {
    background-color: var(--roblox-red);
    color: white;
    border: 2px solid #FF5757;
    border-radius: 14px;
    width: 62px;
    height: 62px;
    font-size: 32px;
    cursor: pointer;
    box-shadow: 0 5px 0 var(--roblox-red-dark), 0 0 20px var(--roblox-red-glow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-bot-toggle.roblox-bot-toggle:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 7px 0 var(--roblox-red-dark), 0 0 30px var(--roblox-red-glow);
}

.ai-bot-panel.roblox-panel {
    position: absolute;
    bottom: 85px;
    right: 0;
    width: 340px;
    background: #1E2024;
    border-radius: 14px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.8);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: bottom right;
    border: 3px solid var(--roblox-red);
}

.ai-bot-panel.hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(0.5);
}

.ai-bot-header.roblox-panel-header {
    background: linear-gradient(135deg, var(--roblox-red) 0%, #B3140C 100%);
    color: white;
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-bot-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 800;
}

.ai-bot-close {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    border-radius: 8px;
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.2s;
}

.ai-bot-close:hover { background: rgba(255,255,255,0.4); }

.ai-bot-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #181A1D;
}

#ai-bot-input {
    width: 100%;
    background: #24272D;
    color: #FFF;
    border: 2px solid var(--roblox-border);
    border-radius: 8px;
    padding: 10px;
    font-family: inherit;
    font-size: 1rem;
    resize: none;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

#ai-bot-input:focus {
    border-color: var(--roblox-blue);
    box-shadow: 0 0 10px var(--roblox-blue-glow);
}

.ai-bot-actions { display: flex; gap: 10px; }

.ai-bot-btn.roblox-btn {
    flex: 1;
    border: none;
    padding: 10px;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 800;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 0 #000;
    transition: all 0.1s ease;
}

.ai-bot-btn.roblox-btn:active {
    transform: translateY(3px);
    box-shadow: 0 1px 0 #000;
}

.ai-bot-result.roblox-result-box {
    min-height: 55px;
    background: #24272D;
    border: 1px solid var(--roblox-border);
    border-radius: 8px;
    padding: 14px;
    font-size: 1.1rem;
    color: var(--roblox-gold);
    font-weight: 700;
    text-align: center;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.5);
}

/* =========================================
   Roblox Avatars & Badges (from images/)
   ========================================= */
.book-roblox-cover {
    width: 110px;
    height: 110px;
    object-fit: cover;
    border-radius: 16px;
    border: 3px solid var(--roblox-gold);
    margin: 0 auto 1.2rem auto;
    box-shadow: 0 0 20px var(--roblox-gold-glow), 0 5px 0 #14161A;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: block;
}

.card:hover .book-roblox-cover {
    transform: scale(1.1) rotate(-4deg);
    border-color: #FFF;
}

.roblox-card-avatar {
    width: 90px;
    height: 90px;
    margin: 0 auto 1rem auto;
    border-radius: 14px;
    overflow: hidden;
    border: 3px solid var(--roblox-blue);
    background: #191B20;
    box-shadow: 0 0 15px var(--roblox-blue-glow), 0 4px 0 #14161A;
    transition: transform 0.25s ease;
}

.unit-roblox-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card:hover .roblox-card-avatar {
    transform: scale(1.12) rotate(4deg);
    border-color: var(--roblox-gold);
    box-shadow: 0 0 20px var(--roblox-gold-glow), 0 6px 0 #14161A;
}

.stage-avatar-bubble {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--roblox-gold);
    margin-bottom: 0.6rem;
    box-shadow: 0 0 18px var(--roblox-gold-glow), 0 4px 0 #14161A;
    background: #1C1E23;
    transition: transform 0.25s ease;
}

.stage-roblox-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.lantern-card.roblox-stage-card:hover .stage-avatar-bubble {
    transform: scale(1.15) rotate(-6deg);
    border-color: #FFF;
    box-shadow: 0 0 25px #FFF, 0 6px 0 #14161A;
}

.game-avatar-preview {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 14px;
    border: 3px solid var(--roblox-red);
    margin: 0 auto 0.8rem auto;
    box-shadow: 0 0 15px var(--roblox-red-glow), 0 4px 0 #14161A;
    transition: transform 0.25s ease;
    display: block;
}

.card:hover .game-avatar-preview {
    transform: scale(1.15) rotate(5deg);
    border-color: var(--roblox-gold);
}

.runner-avatar-token {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--roblox-gold);
    object-fit: cover;
    box-shadow: 0 0 12px var(--roblox-gold);
    display: block;
    animation: runnerJump 0.8s ease-in-out infinite alternate;
}

/* =========================================
   Responsive Adjustments
   ========================================= */
@media (max-width: 768px) {
    .app-header.roblox-header { padding: 1.2rem 4%; }
    .header-top { flex-direction: column; gap: 0.8rem; }
    .header-spacer { display: none; }
    .memory-grid { grid-template-columns: repeat(3, 1fr); }
    .cups-container { gap: 1rem; }
    .cup-card { width: 95px; height: 95px; }
    .cup-front, .cup-back { font-size: 3.6rem; }
    .text-opt { font-size: 1.3rem; padding: 0.8rem 1.4rem; }
    .wavy-lesson-item:nth-child(odd), .wavy-lesson-item:nth-child(even) {
        transform: translateX(0);
    }
}

/* ==========================================================================
   Roblox Profile 7-Second Supercharged Effects & Dynamic Lighting
   ========================================================================== */

/* Supercharged Profile Badge */
.user-info.roblox-badge.roblox-supercharged {
    border-color: #00E5FF !important;
    animation: superchargedPulse 0.4s infinite alternate !important;
    transform: scale(1.08) !important;
    box-shadow: 0 0 25px rgba(0, 229, 255, 0.8), 0 0 50px rgba(255, 0, 85, 0.7) !important;
}

@keyframes superchargedPulse {
    0% {
        box-shadow: 0 0 20px #00E5FF, 0 0 40px #FF0055, inset 0 0 15px #FFD700;
        border-color: #00E5FF;
    }
    100% {
        box-shadow: 0 0 35px #FF0055, 0 0 70px #00E5FF, inset 0 0 25px #00FF88;
        border-color: #FFD700;
        transform: scale(1.12);
    }
}

.roblox-supercharged .user-profile {
    animation: avatarDiscoGlow 0.35s infinite linear !important;
    border-color: #FFF !important;
}

@keyframes avatarDiscoGlow {
    0% { box-shadow: 0 0 20px #FF0055, 0 0 40px #00E5FF; transform: rotate(-4deg); }
    50% { box-shadow: 0 0 30px #FFD700, 0 0 60px #00FF88; transform: rotate(4deg); }
    100% { box-shadow: 0 0 25px #00E5FF, 0 0 50px #FF0055; transform: rotate(-4deg); }
}

.roblox-supercharged .gamer-lvl {
    background: linear-gradient(90deg, #FF0055, #FFD700, #00E5FF) !important;
    color: #000 !important;
    font-weight: 900 !important;
    font-size: 0.75rem !important;
    animation: rainbowShift 0.5s infinite linear !important;
}

@keyframes rainbowShift {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

/* Screen RGB Laser Border Overlay */
.roblox-screen-lasers {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
    box-sizing: border-box;
}

.roblox-screen-lasers.active {
    opacity: 1;
    border: 8px solid transparent;
    animation: screenLaserAnim 0.6s infinite linear, laserPulse 0.4s infinite alternate;
}

@keyframes screenLaserAnim {
    0% {
        box-shadow: inset 0 0 30px #FF0055, inset 0 0 60px rgba(255, 0, 85, 0.4);
        border-color: #FF0055;
    }
    25% {
        box-shadow: inset 0 0 30px #00E5FF, inset 0 0 60px rgba(0, 229, 255, 0.4);
        border-color: #00E5FF;
    }
    50% {
        box-shadow: inset 0 0 30px #FFD700, inset 0 0 60px rgba(255, 215, 0, 0.4);
        border-color: #FFD700;
    }
    75% {
        box-shadow: inset 0 0 30px #00FF88, inset 0 0 60px rgba(0, 255, 136, 0.4);
        border-color: #00FF88;
    }
    100% {
        box-shadow: inset 0 0 30px #FF0055, inset 0 0 60px rgba(255, 0, 85, 0.4);
        border-color: #FF0055;
    }
}

@keyframes laserPulse {
    0% { opacity: 0.8; }
    100% { opacity: 1; }
}

/* Level Up Floating Toast */
.roblox-powerup-toast {
    position: fixed;
    top: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(-30px) scale(0.7);
    background: linear-gradient(135deg, rgba(226, 35, 26, 0.95), rgba(0, 162, 255, 0.95));
    border: 3px solid #FFD700;
    border-radius: 30px;
    padding: 10px 28px;
    color: #FFFFFF;
    font-family: 'Changa', 'Cairo', sans-serif;
    font-size: 1.15rem;
    font-weight: 900;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.8), 0 0 25px rgba(255, 215, 0, 0.7);
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    white-space: nowrap;
}

.roblox-powerup-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0px) scale(1);
    animation: toastBob 0.6s infinite alternate ease-in-out;
}

@keyframes toastBob {
    0% { transform: translateX(-50%) translateY(0px) scale(1); }
    100% { transform: translateX(-50%) translateY(-6px) scale(1.04); }
}

/* Burst Blox Particles */
.roblox-burst-particle {
    position: fixed;
    font-size: 1.8rem;
    pointer-events: none;
    z-index: 10001;
    animation: particleFly 1.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
}

@keyframes particleFly {
    0% {
        opacity: 1;
        transform: translate(0, 0) scale(0.6) rotate(0deg);
    }
    60% {
        opacity: 1;
        transform: translate(var(--tx), var(--ty)) scale(1.4) rotate(360deg);
    }
    100% {
        opacity: 0;
        transform: translate(calc(var(--tx) * 1.3), calc(var(--ty) + 120px)) scale(0.8) rotate(720deg);
    }
}

/* =========================================
   Footer & Copyright Link
   ========================================= */
.app-footer.roblox-footer {
    background: #14161A;
    border-top: 2px solid var(--roblox-border);
    padding: 1.6rem 20px;
    margin-top: auto;
    text-align: center;
    position: relative;
    z-index: 5;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-copyright-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #9DA3AE;
    text-decoration: none;
    font-family: 'Cairo', 'Changa', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    padding: 8px 22px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.25s ease;
}

.footer-copyright-link:hover {
    color: #00E5FF;
    background: rgba(0, 229, 255, 0.1);
    border-color: #00E5FF;
    transform: translateY(-2px);
    box-shadow: 0 4px 18px rgba(0, 229, 255, 0.35);
}

/* =========================================
   Lesson Mode: Hide Header & Top Navigation
   ========================================= */
body.lesson-mode .app-header {
    display: none !important;
}

body.lesson-mode .app-container {
    padding-top: 1.5rem;
}

.lesson-top-nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1C1F26;
    border: 2px solid var(--roblox-border);
    border-radius: 16px;
    padding: 0.75rem 1.4rem;
    margin-bottom: 1.8rem;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5), 0 0 10px rgba(0, 162, 255, 0.15);
    gap: 12px;
}

.lesson-nav-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.4rem 1rem;
    border-radius: 12px;
}

.lesson-nav-icon {
    font-size: 1.2rem;
}

.lesson-nav-text {
    font-family: 'Changa', 'Cairo', sans-serif;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--roblox-gold);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
    letter-spacing: 0.3px;
}

.lesson-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #272B35;
    color: #FFFFFF;
    border: 2px solid var(--roblox-border);
    padding: 0.5rem 1.25rem;
    border-radius: 10px;
    font-family: 'Cairo', 'Changa', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 3px 0 #121418;
}

.lesson-nav-btn:hover {
    background: #333845;
    border-color: var(--roblox-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 0 #121418;
}

.lesson-nav-btn.back-btn:hover {
    border-color: #FF0055;
    background: linear-gradient(135deg, #272B35, #3a1c27);
    color: #FF80AB;
}

.lesson-nav-btn.home-btn:hover {
    border-color: #00E5FF;
    color: #00E5FF;
}

@media (max-width: 640px) {
    .lesson-top-nav-bar {
        flex-direction: column;
        gap: 10px;
        padding: 0.8rem;
    }
    .lesson-nav-badge {
        order: -1;
        width: 100%;
        justify-content: center;
    }
    .lesson-nav-btn {
        width: 100%;
        justify-content: center;
    }
}