/* =========================================
   GLOBAL RESET
========================================= */

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

/* =========================================
   ROOT COLORS
========================================= */

:root{

    --bg-color: #050816;

    --primary-glow: cyan;

    --secondary-glow: #ff004c;

    --text-color: white;

    --box-bg: rgba(255,255,255,0.08);

    --glass-border: rgba(255,255,255,0.15);

    --button-bg: linear-gradient(135deg,#00f0ff,#0077ff);

    --danger-bg: linear-gradient(135deg,#ff004c,#ff2f6d);

    --shadow-glow:
        0 0 10px rgba(0,255,255,0.5),
        0 0 20px rgba(0,255,255,0.4);

}

/* =========================================
   BODY
========================================= */

body{

    min-height: 100vh;

    background:
        radial-gradient(circle at top,#0f172a,#050816);

    overflow-x: hidden;

    font-family: 'Orbitron', sans-serif;

    color: var(--text-color);

    position: relative;
}

/* =========================================
   PARTICLE BACKGROUND
========================================= */

#particles{

    position: fixed;

    width: 100%;
    height: 100%;

    top: 0;
    left: 0;

    overflow: hidden;

    z-index: -1;
}

#particles::before,
#particles::after{

    content: "";

    position: absolute;

    width: 200%;
    height: 200%;

    background-image:
        radial-gradient(circle, rgba(0,255,255,0.3) 1px, transparent 1px);

    background-size: 50px 50px;

    animation: particlesMove 60s linear infinite;
}

#particles::after{

    animation-direction: reverse;

    opacity: 0.5;
}

/* =========================================
   LOADER
========================================= */

#loader{

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;
    height: 100vh;

    background: black;

    display: flex;

    justify-content: center;
    align-items: center;

    flex-direction: column;

    z-index: 999999;

    overflow: hidden;
}

.loader-overlay{

    position: absolute;

    width: 100%;
    height: 100%;

    background:
        radial-gradient(circle,
        rgba(0,255,255,0.1),
        black);

    animation: pulseBackground 4s infinite;
}

.loader-content{

    position: relative;

    z-index: 2;

    text-align: center;
}

.loader-logo{

    font-size: 9rem;

    color: cyan;

    text-shadow:
        0 0 10px cyan,
        0 0 20px cyan,
        0 0 40px cyan,
        0 0 80px cyan;

    animation:
        logoPulse 2s infinite,
        glitch 3s infinite;

    letter-spacing: 10px;
}

.loader-title{

    font-size: 2.5rem;

    margin-top: -10px;

    letter-spacing: 8px;

    color: white;
}

.loader-subtitle{

    margin-top: 1rem;

    font-size: 1rem;

    color: rgba(255,255,255,0.7);

    letter-spacing: 4px;
}

.loader-bar{

    width: 300px;

    height: 8px;

    margin: 2rem auto;

    background: rgba(255,255,255,0.1);

    border-radius: 50px;

    overflow: hidden;
}

.loader-progress{

    height: 100%;

    width: 0%;

    background: linear-gradient(90deg,cyan,#00ff95);

    box-shadow: 0 0 20px cyan;

    animation: loading 3s forwards;
}

.loader-loading-text{

    color: rgba(255,255,255,0.8);

    letter-spacing: 3px;

    animation: blink 1s infinite;
}

/* =========================================
   MAIN WRAPPER
========================================= */

.main-wrapper{

    width: 100%;

    min-height: 100vh;

    padding: 2rem;
}

/* =========================================
   TOP BAR
========================================= */

.top-bar{

    display: flex;

    justify-content: space-between;

    align-items: center;

    flex-wrap: wrap;

    gap: 2rem;

    margin-bottom: 2rem;
}

.main-title{

    font-size: 5rem;

    font-family: 'Cinzel', serif;

    text-shadow:
        0 0 10px rgba(255,255,255,0.5),
        0 0 20px rgba(0,255,255,0.5);

    animation: titleGlow 3s infinite alternate;
}

.title-subtitle{

    margin-top: 0.5rem;

    color: rgba(255,255,255,0.7);

    letter-spacing: 5px;
}

/* =========================================
   THEME BUTTONS
========================================= */

.theme-controls{

    display: flex;

    gap: 1rem;

    flex-wrap: wrap;
}

.theme-btn{

    padding: 0.9rem 1.5rem;

    border: none;

    border-radius: 50px;

    background: rgba(255,255,255,0.1);

    color: white;

    cursor: pointer;

    transition: 0.3s ease;

    backdrop-filter: blur(10px);

    border: 1px solid rgba(255,255,255,0.1);
}

.theme-btn:hover{

    transform: translateY(-3px);

    box-shadow: var(--shadow-glow);
}

.active-theme{

    background: cyan;

    color: black;

    font-weight: bold;
}

/* =========================================
   STATUS PANEL
========================================= */

.status-panel{

    width: 100%;

    display: flex;

    justify-content: space-between;

    align-items: center;

    flex-wrap: wrap;

    gap: 2rem;

    margin-bottom: 2rem;
}

/* =========================================
   TURN INDICATOR
========================================= */

.turn-container{

    padding: 1rem 2rem;

    border-radius: 20px;

    background: rgba(255,255,255,0.05);

    backdrop-filter: blur(10px);

    border: 1px solid rgba(255,255,255,0.1);

    box-shadow: 0 0 20px rgba(0,255,255,0.2);
}

.turn-text{

    margin-bottom: 0.7rem;

    letter-spacing: 2px;
}

.turn-indicator{

    font-size: 3rem;

    color: cyan;

    text-shadow: 0 0 20px cyan;

    animation: turnPulse 1s infinite alternate;
}

/* =========================================
   SCOREBOARD
========================================= */

.scoreboard{

    display: flex;

    gap: 1.5rem;

    flex-wrap: wrap;
}

.score-card{

    width: 130px;

    padding: 1.2rem;

    border-radius: 20px;

    background: rgba(255,255,255,0.05);

    backdrop-filter: blur(12px);

    border: 1px solid rgba(255,255,255,0.1);

    text-align: center;

    transition: 0.3s ease;
}

.score-card:hover{

    transform: translateY(-6px);

    box-shadow: var(--shadow-glow);
}

.score-card h2{

    font-size: 2rem;

    margin-bottom: 0.5rem;
}

.score-card p{

    font-size: 1.7rem;

    color: cyan;
}

/* =========================================
   QUOTE SECTION
========================================= */

.quote-section{

    width: 100%;

    margin: 2rem auto;

    text-align: center;
}

#quote-text{

    font-size: 1.3rem;

    font-style: italic;

    color: rgba(255,255,255,0.7);

    animation: fadeQuote 5s infinite;
}

/* =========================================
   GAME BOARD
========================================= */

.container{

    display: flex;

    justify-content: center;

    align-items: center;

    margin-top: 2rem;
}

.game{

    width: 65vmin;
    height: 65vmin;

    display: grid;

    grid-template-columns: repeat(3,1fr);

    gap: 1rem;

    position: relative;
}

/* =========================================
   BOXES
========================================= */

.box{

    border: none;

    border-radius: 20px;

    background: rgba(255,255,255,0.07);

    backdrop-filter: blur(10px);

    color: white;

    font-size: 7rem;

    font-weight: bold;

    cursor: pointer;

    transition: 0.25s ease;

    box-shadow:
        inset 0 0 10px rgba(255,255,255,0.05),
        0 0 10px rgba(0,0,0,0.5);

    position: relative;

    overflow: hidden;
}

.box::before{

    content: "";

    position: absolute;

    width: 150%;
    height: 150%;

    background:
        linear-gradient(
            120deg,
            transparent,
            rgba(255,255,255,0.2),
            transparent
        );

    transform: rotate(25deg);

    top: -120%;
    left: -120%;

    transition: 0.6s;
}

.box:hover::before{

    top: 100%;
    left: 100%;
}

.box:hover{

    transform: scale(1.05);

    box-shadow:
        0 0 20px cyan,
        0 0 40px rgba(0,255,255,0.3);
}

/* =========================================
   WIN EFFECT
========================================= */

.win{

    animation: winnerGlow 1s infinite alternate;
}

/* =========================================
   WINNING LINE
========================================= */

#winning-line{

    position: absolute;

    width: 0;

    height: 8px;

    background: cyan;

    box-shadow:
        0 0 10px cyan,
        0 0 20px cyan,
        0 0 40px cyan;

    border-radius: 50px;

    transform-origin: left center;

    pointer-events: none;
}

/* =========================================
   CONTROL BUTTONS
========================================= */

.controls{

    display: flex;

    justify-content: center;

    align-items: center;

    flex-wrap: wrap;

    gap: 2rem;

    margin-top: 3rem;
}

.control-btn{

    padding: 1rem 2rem;

    border: none;

    border-radius: 50px;

    font-size: 1rem;

    color: white;

    background: var(--button-bg);

    cursor: pointer;

    transition: 0.3s ease;

    box-shadow:
        0 0 15px rgba(0,255,255,0.4);
}

.control-btn:hover{

    transform: translateY(-5px) scale(1.03);

    box-shadow:
        0 0 30px rgba(0,255,255,0.7);
}

/* =========================================
   MODES
========================================= */

.game-modes{

    margin-top: 5rem;

    text-align: center;
}

.section-title{

    font-size: 2.2rem;

    margin-bottom: 2rem;

    text-shadow: 0 0 10px cyan;
}

.mode-container{

    display: flex;

    justify-content: center;

    align-items: center;

    flex-wrap: wrap;

    gap: 1rem;
}

.mode-btn{

    padding: 1rem 1.8rem;

    border: none;

    border-radius: 50px;

    background: rgba(255,255,255,0.08);

    color: white;

    cursor: pointer;

    transition: 0.3s ease;
}

.mode-btn:hover{

    transform: scale(1.05);

    box-shadow: var(--shadow-glow);
}

.active-mode{

    background: cyan;

    color: black;

    font-weight: bold;
}

/* =========================================
   HISTORY
========================================= */

.history-section{

    margin-top: 5rem;

    text-align: center;
}

#history-list{

    width: 90%;

    max-width: 700px;

    margin: auto;

    padding: 2rem;

    border-radius: 20px;

    background: rgba(255,255,255,0.05);

    backdrop-filter: blur(10px);

    border: 1px solid rgba(255,255,255,0.1);

    min-height: 200px;
}

.empty-history{

    color: rgba(255,255,255,0.5);
}

/* =========================================
   STATS
========================================= */

.stats-section{

    margin-top: 5rem;

    text-align: center;
}

.stats-grid{

    display: grid;

    grid-template-columns: repeat(auto-fit,minmax(200px,1fr));

    gap: 2rem;

    margin-top: 2rem;
}

.stat-box{

    padding: 2rem;

    border-radius: 20px;

    background: rgba(255,255,255,0.05);

    backdrop-filter: blur(10px);

    border: 1px solid rgba(255,255,255,0.1);

    transition: 0.3s ease;
}

.stat-box:hover{

    transform: translateY(-8px);

    box-shadow: var(--shadow-glow);
}

.stat-box h3{

    margin-bottom: 1rem;
}

.stat-box p{

    font-size: 2rem;

    color: cyan;
}

/* =========================================
   MODAL
========================================= */

.msg-container{

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;
    height: 100vh;

    background: rgba(0,0,0,0.8);

    display: flex;

    justify-content: center;
    align-items: center;

    z-index: 99999;

    backdrop-filter: blur(10px);
}

.msg-box{

    width: 90%;
    max-width: 500px;

    padding: 3rem;

    border-radius: 30px;

    background: rgba(255,255,255,0.08);

    border: 1px solid rgba(255,255,255,0.1);

    text-align: center;

    animation: popup 0.5s ease;
}

#msg-title{

    font-size: 3rem;

    color: cyan;

    margin-bottom: 1rem;
}

#msg{

    font-size: 1.3rem;

    margin-bottom: 2rem;
}

.modal-buttons{

    display: flex;

    justify-content: center;

    gap: 1rem;

    flex-wrap: wrap;
}

.modal-buttons button{

    padding: 1rem 2rem;

    border: none;

    border-radius: 50px;

    cursor: pointer;

    background: var(--button-bg);

    color: white;
}

.hide{

    display: none;
}

/* =========================================
   FOOTER
========================================= */

footer{

    margin-top: 6rem;

    padding-bottom: 3rem;

    text-align: center;
}

footer h2{

    font-size: 1.4rem;
}

footer span{

    color: cyan;

    text-shadow: 0 0 10px cyan;
}

footer p{

    margin-top: 1rem;

    color: rgba(255,255,255,0.6);

    font-style: italic;
}

/* =========================================
   ANIMATIONS
========================================= */

@keyframes logoPulse{

    0%{
        transform: scale(1);
    }

    50%{
        transform: scale(1.08);
    }

    100%{
        transform: scale(1);
    }
}

@keyframes glitch{

    0%{
        transform: translate(0);
    }

    20%{
        transform: translate(-2px,2px);
    }

    40%{
        transform: translate(-2px,-2px);
    }

    60%{
        transform: translate(2px,2px);
    }

    80%{
        transform: translate(2px,-2px);
    }

    100%{
        transform: translate(0);
    }
}

@keyframes loading{

    from{
        width: 0%;
    }

    to{
        width: 100%;
    }
}

@keyframes blink{

    50%{
        opacity: 0.4;
    }
}

@keyframes pulseBackground{

    50%{
        transform: scale(1.1);
    }
}

@keyframes titleGlow{

    from{
        text-shadow:
            0 0 10px cyan;
    }

    to{
        text-shadow:
            0 0 20px cyan,
            0 0 40px cyan;
    }
}

@keyframes turnPulse{

    from{
        transform: scale(1);
    }

    to{
        transform: scale(1.1);
    }
}

@keyframes winnerGlow{

    from{
        box-shadow:
            0 0 10px cyan;
    }

    to{
        box-shadow:
            0 0 20px cyan,
            0 0 50px cyan;
    }
}

@keyframes popup{

    from{
        transform: scale(0.5);
        opacity: 0;
    }

    to{
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeQuote{

    50%{
        opacity: 0.5;
    }
}

@keyframes particlesMove{

    from{
        transform: translateY(0);
    }

    to{
        transform: translateY(-1000px);
    }
}

/* =========================================
   MOBILE RESPONSIVE
========================================= */

@media(max-width:768px){

    .main-title{

        font-size: 3rem;
    }

    .game{

        width: 92vw;
        height: 92vw;
    }

    .box{

        font-size: 5rem;
    }

    .status-panel{

        justify-content: center;
    }

    .loader-logo{

        font-size: 5rem;
    }

    .loader-title{

        font-size: 1.5rem;
    }

    .loader-bar{

        width: 220px;
    }
}