/* ============================================
   БЛОК 02: LOADING - Экран загрузки v5.3
   С корректными статусами систем
   ============================================ */

#loadingScreen {
    z-index: 100;
    background: radial-gradient(ellipse at 50% 30%, #0d1528 0%, #050510 50%, #000 100%);
    overflow: hidden;
}

#loadingScreen.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   ЗВЁЗДЫ
   ============================================ */

.stars-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.stars-layer-1 {
    background-image: 
        radial-gradient(2px 2px at 10% 15%, rgba(255,255,255,0.9), transparent),
        radial-gradient(1.5px 1.5px at 25% 8%, rgba(255,255,255,0.7), transparent),
        radial-gradient(2.5px 2.5px at 40% 22%, rgba(255,255,255,1), transparent),
        radial-gradient(1.5px 1.5px at 55% 5%, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 70% 18%, rgba(255,255,255,0.8), transparent),
        radial-gradient(1.5px 1.5px at 85% 12%, rgba(255,255,255,0.7), transparent),
        radial-gradient(2px 2px at 15% 85%, rgba(255,255,255,0.8), transparent),
        radial-gradient(1.5px 1.5px at 45% 78%, rgba(255,255,255,0.7), transparent),
        radial-gradient(2px 2px at 75% 92%, rgba(255,255,255,0.9), transparent),
        radial-gradient(1.5px 1.5px at 92% 65%, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 5% 35%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 20% 50%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 35% 95%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 60% 70%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 80% 40%, rgba(255,255,255,0.5), transparent);
    animation: twinkle1 4s ease-in-out infinite;
}

.stars-layer-2 {
    background-image: 
        radial-gradient(2px 2px at 8% 45%, rgba(255,255,255,0.8), transparent),
        radial-gradient(1.5px 1.5px at 32% 62%, rgba(255,255,255,0.7), transparent),
        radial-gradient(2.5px 2.5px at 58% 38%, rgba(255,255,255,0.9), transparent),
        radial-gradient(1.5px 1.5px at 78% 55%, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 18% 72%, rgba(255,255,255,0.8), transparent),
        radial-gradient(1.5px 1.5px at 88% 82%, rgba(255,255,255,0.7), transparent),
        radial-gradient(2px 2px at 5% 28%, rgba(255,255,255,0.9), transparent),
        radial-gradient(1.5px 1.5px at 65% 15%, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 50% 10%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 95% 25%, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 12% 60%, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 42% 88%, rgba(255,255,255,0.4), transparent);
    animation: twinkle2 5s ease-in-out infinite;
}

@keyframes twinkle1 {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes twinkle2 {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 0.4; }
}

/* ============================================
   КОНТЕНТ
   ============================================ */

.loading-content {
    text-align: center;
    padding: 20px;
    max-width: 350px;
    width: 100%;
    position: relative;
    z-index: 10;
}

/* ============================================
   3D ЗЕМЛЯ
   ============================================ */

.earth-wrapper {
    position: relative;
    width: clamp(120px, 26vh, 180px);
    height: clamp(120px, 26vh, 180px);
    margin: 0 auto var(--spacing-lg);
}

#earthCanvas {
    width: 100%;
    height: 100%;
}

/* ============================================
   ЗАГОЛОВОК
   ============================================ */

.loading-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--tg-theme-text-color, #fff);
    margin: 0 0 var(--spacing-xs) 0;
}

.loading-hint {
    font-size: var(--font-size-sm);
    color: var(--tg-theme-hint-color, #8b8b9e);
    margin: 0 0 var(--spacing-lg) 0;
}

/* ============================================
   ПРОГРЕСС-БАР
   ============================================ */

.loading-progress,
.progress-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding: 0 10px;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: rgba(255,255,255,0.06);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: #5eb5f7;
    border-radius: 3px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
    border-radius: 0 3px 3px 0;
}

.progress-text {
    display: none;
}

/* ============================================
   СТАТУС СИСТЕМ - УЛУЧШЕННЫЕ СОСТОЯНИЯ
   ============================================ */

.systems-status,
.systems-progress {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.system-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* Ожидание - серый */
.system-item[data-status="waiting"] {
    opacity: 0.5;
}

/* Активный поиск - синяя пульсация */
.system-item.active,
.system-item[data-status="loading"] {
    background: rgba(94, 181, 247, 0.15);
    border-color: rgba(94, 181, 247, 0.5);
    opacity: 1;
    animation: systemPulse 2s ease-in-out infinite;
}

@keyframes systemPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(94, 181, 247, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(94, 181, 247, 0); }
}

/* ✅ ГОТОВО - зелёный (есть результаты) */
.system-item.done,
.system-item[data-status="done"] {
    background: rgba(52, 199, 89, 0.15);
    border-color: rgba(52, 199, 89, 0.5);
    opacity: 1;
    animation: systemDoneAppear 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes systemDoneAppear {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(52, 199, 89, 0);
    }
    40% {
        transform: scale(1.015);
        box-shadow: 0 0 12px 2px rgba(52, 199, 89, 0.25);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 4px 0px rgba(52, 199, 89, 0.08);
    }
}

.system-item.done::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52,199,89,0.4), rgba(255,255,255,0.15), rgba(52,199,89,0.4), transparent);
    animation: flashDone 0.8s ease-out forwards;
}

@keyframes flashDone {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ⚠️ ПУСТО — серый приглушённый (0 результатов) */
.system-item.empty,
.system-item[data-status="empty"] {
    background: rgba(142, 142, 147, 0.08);
    border-color: rgba(142, 142, 147, 0.2);
    opacity: 0.5;
}

.system-item.empty .system-status,
.system-item[data-status="empty"] .system-status {
    color: #8e8e93;
}

.system-item.empty .system-check,
.system-item[data-status="empty"] .system-check {
    display: flex;
    color: #8e8e93;
    background: rgba(142, 142, 147, 0.15);
}

.system-item.empty .system-check::before,
.system-item[data-status="empty"] .system-check::before {
    content: '−';
    font-weight: bold;
}

.system-item.empty .system-name,
.system-item[data-status="empty"] .system-name {
    color: var(--tg-theme-hint-color, #8b8b9e);
}

/* ❌ ОШИБКА — серый приглушённый (не красный, не пугает) */
.system-item.error,
.system-item[data-status="error"] {
    background: rgba(142, 142, 147, 0.08);
    border-color: rgba(142, 142, 147, 0.2);
    opacity: 0.5;
}

.system-item.error .system-status,
.system-item[data-status="error"] .system-status {
    color: #8e8e93;
}

/* ⏭️ ПРОПУЩЕН - серый (не искали) */
.system-item.skipped,
.system-item[data-status="skipped"] {
    background: rgba(142, 142, 147, 0.1);
    border-color: rgba(142, 142, 147, 0.3);
    opacity: 0.6;
}

.system-item.skipped .system-status {
    color: #8e8e93;
}

/* Disabled */
.system-item.disabled {
    opacity: 0.4;
}

.system-icon {
    font-size: 18px;
    width: 26px;
    text-align: center;
}
.system-icon svg {
    width: 18px;
    height: 18px;
}

.system-info {
    flex: 1;
    text-align: left;
}

.system-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--tg-theme-text-color, #fff);
}

.system-status {
    font-size: 12px;
    color: var(--tg-theme-hint-color, #8b8b9e);
    margin-top: 2px;
    transition: color 0.3s;
}

.system-item.active .system-status,
.system-item[data-status="loading"] .system-status {
    color: #5eb5f7;
}

.system-item.done .system-status,
.system-item[data-status="done"] .system-status {
    color: #34c759;
}

/* Счётчик отелей */
.system-hotels-count {
    font-size: 12px;
    font-weight: 600;
    color: #34c759;
    background: rgba(52, 199, 89, 0.2);
    padding: 2px 8px;
    border-radius: 10px;
    display: none;
}

.system-item.done .system-hotels-count {
    display: none;
}

@keyframes countPop {
    0% { transform: scale(0); }
    100% { transform: scale(1); }
}

/* Спиннер */
.system-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.15);
    border-top-color: #5eb5f7;
    border-radius: 50%;
    display: none;
    animation: spin 0.8s linear infinite;
}

.system-item.active .system-spinner,
.system-item[data-status="loading"] .system-spinner {
    display: block;
}

/* Галочка */
.system-check {
    width: 22px;
    height: 22px;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #34c759;
    background: rgba(52, 199, 89, 0.2);
    border-radius: 50%;
}

.system-item.done .system-check {
    display: flex;
    animation: checkPop 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.2s both;
}

@keyframes checkPop {
    0% { transform: scale(0) rotate(-45deg); }
    100% { transform: scale(1) rotate(0); }
}

.system-item.done .system-spinner,
.system-item.empty .system-spinner,
.system-item.error .system-spinner,
.system-item.skipped .system-spinner {
    display: none;
}

.system-item.error .system-check {
    display: flex;
    color: #8e8e93;
    background: rgba(142, 142, 147, 0.15);
}

.system-item.error .system-check::before {
    content: '✗';
}

.system-item.error .system-name {
    color: var(--tg-theme-hint-color, #8b8b9e);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Бейдж "Скоро" */
.system-badge {
    font-size: 10px;
    font-weight: 600;
    color: #ff9500;
    background: rgba(255, 149, 0, 0.2);
    padding: 3px 8px;
    border-radius: 8px;
    text-transform: uppercase;
}

/* ============================================
   ИНТЕРЕСНЫЕ ФАКТЫ
   ============================================ */

.loading-fact,
.loading-facts {
    font-size: 13px;
    color: var(--tg-theme-hint-color, #8b8b9e);
    font-style: normal;
    padding: 0 16px;
    background: none;
    border-radius: 0;
    line-height: 1.4;
    text-align: center;
    transition: opacity 0.25s ease;
    min-height: 20px;
}

.loading-fact::before,
.fact-text::before {
    content: none;
}

.fact-text {
    font-size: 13px;
    color: var(--tg-theme-hint-color, #8b8b9e);
    font-style: normal;
    line-height: 1.5;
    transition: opacity 0.25s;
}