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

:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #2481cc;
    --tg-theme-button-color: #2481cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f0f0f0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, sans-serif;
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    line-height: 1.6;
    padding: 0;
    margin: 0;
}

.container {
    max-width: 100%;
    min-height: 100vh;
    padding: 20px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    padding-top: 10px;
}

.header h1 {
    font-size: 24px;
    margin-bottom: 8px;
    font-weight: 600;
}

.subtitle {
    color: var(--tg-theme-hint-color, #999999);
    font-size: 14px;
}

.state-card {
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.hidden {
    display: none !important;
}

.loading {
    text-align: center;
    padding: 40px 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--tg-theme-secondary-bg-color, #f0f0f0);
    border-top: 4px solid var(--tg-theme-button-color, #2481cc);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: spin 1s linear infinite;
}

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

.icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.state-card h2 {
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 600;
}

.state-card p {
    margin-bottom: 16px;
    color: var(--tg-theme-text-color, #000000);
}

.btn-primary, .btn-secondary {
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 16px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background: var(--tg-theme-button-color, #2481cc);
    color: var(--tg-theme-button-text-color, #ffffff);
}

.btn-primary:active {
    background: var(--tg-theme-button-color, #1a6cb3);
    transform: scale(0.98);
}

.btn-secondary {
    background: var(--tg-theme-secondary-bg-color, #e0e0e0);
    color: var(--tg-theme-text-color, #000000);
    border: 1px solid var(--tg-theme-hint-color, #cccccc);
}

.btn-secondary:active {
    background: var(--tg-theme-secondary-bg-color, #d0d0d0);
    transform: scale(0.98);
}

.promocode-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.promocode {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
    background: var(--tg-theme-bg-color, #ffffff);
    padding: 12px 20px;
    border-radius: 8px;
    border: 2px dashed var(--tg-theme-button-color, #2481cc);
    font-family: 'Courier New', monospace;
}

.btn-copy {
    background: var(--tg-theme-button-color, #2481cc);
    color: var(--tg-theme-button-text-color, #ffffff);
    border: none;
    border-radius: 8px;
    padding: 12px 16px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn-copy:active {
    transform: scale(0.95);
}

.instruction {
    color: var(--tg-theme-hint-color, #999999);
    font-size: 14px;
    margin-top: 8px;
}

.user-info {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--tg-theme-secondary-bg-color, #f0f0f0);
}

.user-info small {
    color: var(--tg-theme-hint-color, #999999);
    font-size: 12px;
}

/* Временное сообщение */
.temp-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    z-index: 1000;
    font-size: 14px;
    animation: fadeInOut 2s ease-in-out;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    10%, 90% { opacity: 1; }
}

/* Адаптивность для маленьких экранов */
@media (max-width: 360px) {
    .container {
        padding: 15px;
    }
    
    .header h1 {
        font-size: 20px;
    }
    
    .promocode {
        font-size: 20px;
        padding: 10px 16px;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 16px;
        font-size: 15px;
    }
}

/* Стили для таймера обратного отсчета */
.countdown-timer {
    background: var(--tg-theme-secondary-bg-color, #f8f9fa);
    border: 1px solid var(--tg-theme-button-color, #2481cc);
    border-radius: 8px;
    padding: 10px 15px;
    margin: 15px 0;
    text-align: center;
    font-size: 14px;
    color: var(--tg-theme-text-color, #000000);
    animation: pulse 2s infinite;
}

.countdown-timer span {
    font-weight: bold;
    color: var(--tg-theme-button-color, #2481cc);
    transition: all 0.3s ease;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Анимация для закрытия */
.container {
    transition: all 0.5s ease;
}

/* Дополнительные стили для улучшения UX */
.btn-close {
    background: transparent;
    border: 1px solid var(--tg-theme-hint-color, #999999);
    color: var(--tg-theme-hint-color, #999999);
    padding: 10px 20px;
    border-radius: 8px;
    margin-top: 10px;
    cursor: pointer;
    font-size: 14px;
}

.btn-close:active {
    background: var(--tg-theme-secondary-bg-color, #f0f0f0);
}

/* Стили для состояния "все призы получены" */
#all-received {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    border: 2px solid #ffd43b;
}

#all-received .icon {
    font-size: 64px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

#all-received h2 {
    color: #856404;
    margin-bottom: 15px;
}

#all-received p {
    color: #856404;
    font-size: 16px;
    line-height: 1.5;
}

#all-received strong {
    color: #d4af37;
    font-weight: 600;
}

.countdown-info {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    padding: 10px 15px;
    margin: 20px 0;
    font-size: 14px;
    color: #856404;
    border: 1px solid #ffd43b;
}

.countdown-info span {
    font-weight: bold;
    color: #d4af37;
}