/* ============================================
   ATOMIC PRELOADER MODULE
   ============================================ */

.atomic-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, var(--preloader-bg, #fbf8ea) 72.92%, #fdfbf4 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
}

.atomic-preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.atomic-preloader__container {
    text-align: center;
    color: var(--color-text-dark);
}

/* Атомная анимация */
.atomic-preloader__atom {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
}

.atomic-preloader__nucleus {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: var(--preloader-primary, #294ea1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px var(--preloader-primary, #294ea1), 0 0 40px var(--preloader-primary, #294ea1);
    animation: nucleusPulse 2s ease-in-out infinite;
}

.atomic-preloader__orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 2px solid rgba(17, 24, 38, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.atomic-preloader__orbit--1 {
    width: 60px;
    height: 60px;
    animation: orbitRotate 3s linear infinite;
    border-color: rgba(41, 78, 161, 0.4);
}

.atomic-preloader__orbit--2 {
    width: 80px;
    height: 80px;
    animation: orbitRotate 4s linear infinite reverse;
    border-color: rgba(255, 173, 43, 0.4);
}

.atomic-preloader__orbit--3 {
    width: 100px;
    height: 100px;
    animation: orbitRotate 5s linear infinite;
    border-color: rgba(17, 24, 38, 0.3);
}

.atomic-preloader__electron {
    position: absolute;
    top: -6px;
    left: 50%;
    width: 12px;
    height: 12px;
    background: var(--preloader-primary, #294ea1);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--preloader-primary, #294ea1);
}

.atomic-preloader__orbit--1 .atomic-preloader__electron {
    background: var(--preloader-primary, #294ea1);
    box-shadow: 0 0 10px var(--preloader-primary, #294ea1);
}

.atomic-preloader__orbit--2 .atomic-preloader__electron {
    background: var(--preloader-secondary, #ffad2b);
    box-shadow: 0 0 10px var(--preloader-secondary, #ffad2b);
}

.atomic-preloader__orbit--3 .atomic-preloader__electron {
    background: var(--preloader-accent, #ff6b6b);
    box-shadow: 0 0 10px var(--preloader-accent, #ff6b6b);
}

/* Текст */
.atomic-preloader__text {
    margin-bottom: 2rem;
}

.atomic-preloader__title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, var(--preloader-primary, #294ea1), var(--color-text-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 2s ease-in-out infinite alternate;
}

.atomic-preloader__subtitle {
    font-size: 1rem;
    color: rgba(17, 24, 38, 0.8);
    animation: subtitleFade 1.5s ease-in-out infinite;
    min-height: 1.2em;
    transition: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
    text-align: center;
    line-height: 1.4;
    padding: 0 1rem;

    display: none!important;
}

/* Прогресс бар */
.atomic-preloader__progress {
    width: 200px;
    height: 4px;
    background: rgba(17, 24, 38, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.atomic-preloader__progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--preloader-primary, #294ea1), var(--preloader-secondary, #ffad2b));
    border-radius: 2px;
    transition: width 0.5s ease-out;
    animation: progressGlow 2s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.atomic-preloader__progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progressShine 2s ease-in-out infinite;
}

/* Анимации */
@keyframes nucleusPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 20px var(--preloader-primary, #294ea1), 0 0 40px var(--preloader-primary, #294ea1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        box-shadow: 0 0 30px var(--preloader-primary, #294ea1), 0 0 60px var(--preloader-primary, #294ea1);
    }
}

@keyframes orbitRotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes titleGlow {
    0% {
        text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    }
    100% {
        text-shadow: 0 0 20px rgba(0, 212, 255, 0.8), 0 0 30px rgba(0, 212, 255, 0.6);
    }
}

@keyframes subtitleFade {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

@keyframes progressGlow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(41, 78, 161, 0.3);
    }
    50% {
        box-shadow: 0 0 15px rgba(41, 78, 161, 0.6);
    }
}

@keyframes progressShine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Адаптивность прелоадера */
@media (max-width: 768px) {
    .atomic-preloader__atom {
        width: 100px;
        height: 100px;
    }
    
    .atomic-preloader__orbit--1 {
        width: 50px;
        height: 50px;
    }
    
    .atomic-preloader__orbit--2 {
        width: 70px;
        height: 70px;
    }
    
    .atomic-preloader__orbit--3 {
        width: 90px;
        height: 90px;
    }
    
    .atomic-preloader__title {
        font-size: 1.5rem;
    }
    
    .atomic-preloader__progress {
        width: 150px;
    }
}

@media (max-width: 480px) {
    .atomic-preloader__atom {
        width: 80px;
        height: 80px;
    }
    
    .atomic-preloader__orbit--1 {
        width: 40px;
        height: 40px;
    }
    
    .atomic-preloader__orbit--2 {
        width: 60px;
        height: 60px;
    }
    
    .atomic-preloader__orbit--3 {
        width: 80px;
        height: 80px;
    }
    
    .atomic-preloader__title {
        font-size: 1.2rem;
    }
    
    .atomic-preloader__progress {
        width: 120px;
    }
}

/* Дополнительные стили для динамических цветов */
.atomic-preloader[data-settings] {
    --preloader-bg: var(--preloader-bg-color, #fbf8ea);
    --preloader-primary: var(--preloader-primary-color, #294ea1);
    --preloader-secondary: var(--preloader-secondary-color, #ffad2b);
    --preloader-accent: var(--preloader-accent-color, #ff6b6b);
}

/* Стили для плавной анимации появления страницы */
/* Начальное состояние - блоки скрыты до загрузки */
body:not(.page-loaded) .hero-section,
body:not(.page-loaded) .about-section,
body:not(.page-loaded) .steps-section,
body:not(.page-loaded) .quiz-instruction-section,
body:not(.page-loaded) .geography-section,
body:not(.page-loaded) .prizes-section,
body:not(.page-loaded) .test-section,
body:not(.page-loaded) .sharing-section {
    opacity: 0;
    transform: translateY(30px);
    transition: none; /* Отключаем transition до загрузки */
}

/* Включаем transition после загрузки */
.page-loaded .hero-section,
.page-loaded .about-section,
.page-loaded .steps-section,
.page-loaded .quiz-instruction-section,
.page-loaded .geography-section,
.page-loaded .prizes-section,
.page-loaded .test-section,
.page-loaded .sharing-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

/* Анимация появления после загрузки страницы */
.page-loaded .hero-section,
.page-loaded .about-section,
.page-loaded .steps-section,
.page-loaded .quiz-instruction-section,
.page-loaded .geography-section,
.page-loaded .prizes-section,
.page-loaded .test-section,
.page-loaded .sharing-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.page-loaded .hero-section.animate-in,
.page-loaded .about-section.animate-in,
.page-loaded .steps-section.animate-in,
.page-loaded .quiz-instruction-section.animate-in,
.page-loaded .geography-section.animate-in,
.page-loaded .prizes-section.animate-in,
.page-loaded .test-section.animate-in,
.page-loaded .sharing-section.animate-in {
    opacity: 1;
    transform: translateY(0);
}