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

body {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(to bottom, #ff7e5f, #feb47b, #fdfdf9);
}

/* ================= ВАШІ ФЕЄРВЕРКИ (CSS) ================= */
@keyframes firework {
    0% {
        transform: translate(var(--x), 60vmin);
        width: var(--initialSize);
        opacity: 1;
    }

    50% {
        width: 0.5vmin;
        opacity: 1;
    }

    100% {
        width: var(--finalSize);
        opacity: 0;
    }
}

@keyframes fireworkPseudo {
    0% {
        transform: translate(-50%, -50%);
        width: var(--initialSize);
        opacity: 1;
    }

    50% {
        width: 0.5vmin;
        opacity: 1;
    }

    100% {
        width: var(--finalSize);
        opacity: 0;
    }
}

#fireworks-container {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
    overflow: hidden;
}

.newyear,
.newyear::before,
.newyear::after {
    --initialSize: 1vmin;
    --finalSize: 60vmin;
    --particleSize: 0.4vmin;
    --color1: yellow;
    --color2: khaki;
    --color3: white;
    --color4: lime;
    --color5: gold;
    --color6: mediumseagreen;
    --y: -30vmin;
    --x: -50%;
    content: "";
    animation: firework 2.5s forwards;
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, var(--y));
    width: var(--initialSize);
    aspect-ratio: 1;
    background:
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 50% 0%,
        radial-gradient(circle, var(--color2) var(--particleSize), #0000 0) 100% 50%,
        radial-gradient(circle, var(--color3) var(--particleSize), #0000 0) 50% 100%,
        radial-gradient(circle, var(--color4) var(--particleSize), #0000 0) 0% 50%,
        radial-gradient(circle, var(--color5) var(--particleSize), #0000 0) 80% 90%,
        radial-gradient(circle, var(--color6) var(--particleSize), #0000 0) 95% 90%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 90% 70%,
        radial-gradient(circle, var(--color2) var(--particleSize), #0000 0) 100% 60%,
        radial-gradient(circle, var(--color3) var(--particleSize), #0000 0) 55% 80%,
        radial-gradient(circle, var(--color4) var(--particleSize), #0000 0) 70% 77%,
        radial-gradient(circle, var(--color5) var(--particleSize), #0000 0) 22% 90%,
        radial-gradient(circle, var(--color6) var(--particleSize), #0000 0) 45% 90%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 33% 70%,
        radial-gradient(circle, var(--color2) var(--particleSize), #0000 0) 10% 60%,
        radial-gradient(circle, var(--color3) var(--particleSize), #0000 0) 31% 80%,
        radial-gradient(circle, var(--color4) var(--particleSize), #0000 0) 28% 77%,
        radial-gradient(circle, var(--color5) var(--particleSize), #0000 0) 13% 72%,
        radial-gradient(circle, var(--color6) var(--particleSize), #0000 0) 80% 10%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 95% 14%,
        radial-gradient(circle, var(--color2) var(--particleSize), #0000 0) 90% 23%,
        radial-gradient(circle, var(--color3) var(--particleSize), #0000 0) 100% 43%,
        radial-gradient(circle, var(--color4) var(--particleSize), #0000 0) 85% 27%,
        radial-gradient(circle, var(--color5) var(--particleSize), #0000 0) 77% 37%,
        radial-gradient(circle, var(--color6) var(--particleSize), #0000 0) 60% 7%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 22% 14%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 45% 20%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 33% 34%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 10% 29%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 31% 37%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 28% 7%,
        radial-gradient(circle, var(--color1) var(--particleSize), #0000 0) 13% 42%;
    background-size: var(--initialSize) var(--initialSize);
    background-repeat: no-repeat;
}

.newyear::before {
    transform: translate(-50%, -50%) rotate(40deg) scale(1.3) rotateY(40deg);
    animation: fireworkPseudo 2.5s forwards;
}

.newyear::after {
    transform: translate(-50%, -50%) rotate(170deg) scale(1.15) rotateY(-30deg);
    animation: fireworkPseudo 2.5s forwards;
}

.newyear.type-2,
.newyear.type-2::before,
.newyear.type-2::after {
    --color1: pink;
    --color2: violet;
    --color3: fuchsia;
    --color4: orchid;
    --color5: plum;
    --color6: lavender;
}

.newyear.type-3,
.newyear.type-3::before,
.newyear.type-3::after {
    --color1: cyan;
    --color2: lightcyan;
    --color3: lightblue;
    --color4: PaleTurquoise;
    --color5: SkyBlue;
    --color6: lavender;
}

.newyear.type-4,
.newyear.type-4::before,
.newyear.type-4::after {
    --color1: red;
    --color2: orange;
    --color3: gold;
    --color4: crimson;
    --color5: darkred;
    --color6: coral;
}

/* ================= ІНШІ АНІМАЦІЇ ================= */
@keyframes snowFall {
    0% {
        transform: translateY(-20px);
        opacity: 0.8;
    }

    100% {
        transform: translateY(100vh) translateX(var(--drift, 0));
        opacity: 0;
    }
}

@keyframes sway {

    0%,
    100% {
        transform: rotate(-1deg);
    }

    50% {
        transform: rotate(1deg);
    }
}

@keyframes gallop {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-5px) rotate(-3deg);
    }

    50% {
        transform: translateY(0) rotate(0deg);
    }

    75% {
        transform: translateY(-3px) rotate(3deg);
    }
}

@keyframes pulse-fire {

    0%,
    100% {
        box-shadow: 0 0 15px rgba(255, 69, 0, 0.4);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 0 30px rgba(255, 140, 0, 0.8);
        transform: scale(1.02);
    }
}

@keyframes float-up {
    0% {
        opacity: 1;
        transform: translate(0, 0);
    }

    100% {
        opacity: 0;
        transform: translate(var(--tx, 0px), -40px);
    }
}

@keyframes modalPopIn {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5) rotateX(-20deg);
    }

    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1) rotateX(0deg);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

/* ================= SCENE LAYOUT ================= */
#container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

#snow-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 5;
}

.snowflake {
    position: fixed;
    pointer-events: none;
    color: white;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.8);
}

.clouds-wrapper {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    display: flex;
    justify-content: center;
}

.clouds-container {
    position: relative;
    width: 100%;
    max-width: 1280px;
    height: 100%;
}

.cloud {
    position: absolute;
    pointer-events: auto;
    cursor: pointer;
    transition: transform 0.3s;
}

.cloud img {
    width: 100%;
    height: auto;
    display: block;
}

.year-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #ff2400, #ff8c00, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.5s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.scene-wrapper {
    position: absolute;
    inset: 0;
    z-index: 50;
    display: flex;
    justify-content: center;
    pointer-events: none;
}

.scene-container {
    position: relative;
    width: 100%;
    max-width: 1280px;
    height: 100%;
    pointer-events: none;
}

#christmas-tree-wrapper {
    position: absolute;
    left: 15%;
    bottom: 2%;
    width: 30%;
    transform-origin: bottom center;
    z-index: 20;
    pointer-events: auto;
}

#christmas-tree {
    cursor: pointer;
    animation: sway 5s ease-in-out infinite;
}

#christmas-tree img {
    width: 90%;
    height: auto;
    display: block;
    filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.15));
}

.decorated {
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.8)) brightness(1.1) !important;
    transition: all 0.5s ease;
}

#gingerbread-people {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    z-index: 15;
    cursor: pointer;
    transform-origin: bottom center;
    transition: transform 0.4s ease-out;
    pointer-events: auto;
}

#gingerbread-people img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 20px 13px rgba(0, 0, 0, 0.03)) drop-shadow(0 8px 5px rgba(0, 0, 0, 0.08));
}

#gingerbread-people:hover {
    filter: brightness(1.1) drop-shadow(0 0 15px rgba(255, 223, 0, 0.5));
}

#horse-character {
    position: absolute;
    left: 35%;
    bottom: 5%;
    width: 15%;
    z-index: 53;
    pointer-events: auto;
    cursor: pointer;
    animation: gallop 3s ease-in-out infinite;
    filter: drop-shadow(0 5px 8px rgba(0, 0, 0, 0.3));
}

#horse-character img {
    width: 100%;
    display: block;
}

/* ================= UI SIDEBAR ================= */
.ui-sidebar {
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    width: 380px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 100;
    pointer-events: auto;
    background: rgba(255, 250, 245, 0.25);
    backdrop-filter: blur(9px) saturate(150%);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 2rem;
    padding: 1.5rem;
    box-shadow: 0 10px 25px rgba(139, 0, 0, 0.15);
    color: #4a0404;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.main-title {
    font-family: 'Marck Script', cursive;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    text-align: center;
    background: linear-gradient(to right, #d32f2f, #ff6f00, #fdd835);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 0.5rem;
}

.subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #8b0000;
    font-weight: 700;
}

.funny-box {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 140, 0, 0.3);
    border-radius: 1rem;
    padding: 1rem;
    font-style: italic;
    font-size: 0.9rem;
    color: #5c1e1e;
}

.buttons-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.interactive-btn {
    padding: 0.8rem;
    border: none;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.interactive-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 69, 0, 0.25);
}

.interactive-btn:active {
    transform: scale(0.98);
}

.btn-fortune {
    background: linear-gradient(135deg, #ff4500, #ff8c00);
}

.btn-lucky {
    background: linear-gradient(135deg, #dc143c, #ff1493);
}

.btn-jingle {
    background: linear-gradient(135deg, #d2691e, #8b4500);
}

.btn-decorate {
    background: linear-gradient(135deg, #ffd700, #ffa500);
    color: #8b0000;
}

.btn-wish {
    background: linear-gradient(135deg, #4b0082, #8a2be2);
}

.btn-trivia {
    background: linear-gradient(135deg, #ff6347, #ff7f50);
}

.btn-victory {
    background: linear-gradient(135deg, #0057B8, #FFD700);
    grid-column: span 2;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    border: 2px solid #FFD700;
}

.btn-victory:hover {
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
}

.celebrate-btn {
    grid-column: span 2;
    padding: 1rem;
    font-size: 1.2rem;
    background: linear-gradient(to right, #ff0000, #ff8c00, #ffff00);
    animation: pulse-fire 2s infinite;
}

.countdown-section {
    text-align: center;
}

.countdown-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #8b0000;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.countdown-grid {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

.countdown-item {
    flex: 1;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 69, 0, 0.3);
    border-radius: 0.8rem;
    padding: 0.6rem 0.3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: #ff4500;
    line-height: 1;
}

.countdown-label-small {
    font-size: 0.65rem;
    color: #8b0000;
    font-weight: 600;
    margin-top: 0.2rem;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    z-index: 9998;
    opacity: 0;
    animation: fadeIn 0.3s forwards;
}

.game-result {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fffafa;
    border-radius: 2rem;
    padding: 2.5rem;
    text-align: center;
    z-index: 9999;
    width: 90%;
    max-width: 420px;
    box-shadow: 0 0 50px rgba(255, 69, 0, 0.3);
    animation: modalPopIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 3px solid #ff4500;
}

.close-game {
    margin-top: 1.5rem;
    padding: 0.8rem 2rem;
    background: linear-gradient(to right, #ff4500, #ff8c00);
    color: white;
    border: none;
    border-radius: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s;
}

.close-game:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 69, 0, 0.4);
}

.site-link-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #2563eb, #1e40af);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s;
}

.site-link-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.hidden {
    display: none !important;
}

.confetti,
.sparkle {
    position: fixed;
    pointer-events: none;
    z-index: 150;
}

.sparkle {
    animation: float-up 0.8s ease-out forwards;
    text-shadow: 0 0 10px #ffd700;
    font-size: 1.5rem;
}

.victory-particle {
    position: fixed;
    pointer-events: none;
    z-index: 200;
}

/* ОПТИМІЗАЦІЯ ДЛЯ МОБІЛЬНИХ */
@media (max-width: 1024px) {
    .ui-sidebar {
        width: 320px;
        right: 20px;
        padding: 1.5rem;
    }

    #christmas-tree-wrapper {
        width: 30%;
    }

    #gingerbread-people {
        transform: scale(1.1);
    }

    #horse-character {
        width: 18%;
        left: 30%;
    }
}

@media (max-width: 768px) {

    /* Відключаємо важкі фільтри на телефонах */
    .ui-sidebar,
    .modal-backdrop {
        backdrop-filter: none;
        background: rgba(255, 250, 245, 0.95);
    }

    .scene-wrapper {
        opacity: 1;
        z-index: 1;
        pointer-events: none;
    }

    .scene-container>* {
        pointer-events: auto;
    }

    #christmas-tree-wrapper {
        transform: scale(1.4);
    }

    #gingerbread-people {
        transform: scale(1.4);
    }

    #horse-character {
        width: 28%;
        left: 10%;
        bottom: 10%;
    }

    .ui-sidebar {
        position: relative;
        width: 90%;
        max-width: 400px;
        top: auto;
        right: auto;
        transform: none;
        margin: 2rem auto;
        max-height: none;
    }

    .main-title {
        font-size: 2.8rem;
    }
}

@media (max-width: 480px) {
    #christmas-tree-wrapper {
        left: 13%;
        transform: scale(1.8);
    }

    #gingerbread-people {
        transform: scale(1.8);
    }
}