/* Telegram Web App Safe Colors */
:root {
    --tg-bg: var(--tg-theme-bg-color, #17212b);
    --tg-text: var(--tg-theme-text-color, #fff);
    --tg-hint: var(--tg-theme-hint-color, #8e969d);
    --tg-link: var(--tg-theme-link-color, #6ab2f2);
    --tg-button: var(--tg-theme-button-color, #5288c1);
    --tg-button-text: var(--tg-theme-button-text-color, #fff);
}

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

html, body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--tg-bg);
    color: var(--tg-text);
    min-height: 100vh;
    font-size: 16px;
    line-height: 1.5;
}

.screen {
    display: none;
    padding: 20px 16px;
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    animation: fadeIn 0.3s ease;
}

.screen.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Welcome */
.hero {
    text-align: center;
    padding: 30px 0;
}

.moon { font-size: 64px; margin-bottom: 8px; }

h1 { font-size: 28px; font-weight: 700; margin-bottom: 4px; }

.subtitle { color: var(--tg-hint); font-size: 15px; }

.description { margin-bottom: 20px; }
.description p { margin-bottom: 10px; }
.description ul { list-style: none; padding: 0; }
.description ul li { padding: 4px 0; }
.description ul li::before { content: "✦ "; color: var(--tg-link); }

.note { font-size: 13px; color: var(--tg-hint); font-style: italic; }

.price-block {
    text-align: center;
    padding: 16px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    margin-bottom: 20px;
}

.price { font-size: 36px; font-weight: 700; }
.currency { font-size: 20px; color: var(--tg-hint); }

.btn-primary {
    display: block;
    width: 100%;
    padding: 14px 20px;
    font-size: 17px;
    font-weight: 600;
    color: var(--tg-button-text);
    background: var(--tg-button);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
}

.btn-secondary {
    display: block;
    width: 100%;
    padding: 12px;
    font-size: 15px;
    color: var(--tg-text);
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 10px;
    cursor: pointer;
    margin-top: 10px;
}

.legal {
    text-align: center;
    font-size: 12px;
    color: var(--tg-hint);
    margin-top: 12px;
}

/* Form */
h2 { font-size: 22px; margin-bottom: 20px; }

.field { margin-bottom: 18px; }

.field label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--tg-hint);
}

input, select, textarea {
    width: 100%;
    padding: 12px 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--tg-text);
    font-size: 16px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--tg-link);
}

.hint {
    font-size: 12px;
    color: var(--tg-hint);
    margin-top: 4px;
    display: block;
}

.mood-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.mood-btn {
    padding: 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--tg-text);
    font-size: 14px;
    cursor: pointer;
}

.mood-btn.selected {
    background: var(--tg-button);
    border-color: var(--tg-button);
    color: var(--tg-button-text);
}

/* Confirm */
.summary {
    background: rgba(255,255,255,0.04);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 2;
}

.total-row {
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    font-weight: 600;
    padding: 12px 0 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 10px;
}

/* Payment */
.payment-box {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
}

.btn-pay { margin-top: 16px; }

.qr-block {
    margin-top: 20px;
    text-align: center;
}

.qr-block img {
    max-width: 200px;
    border-radius: 8px;
    margin-top: 8px;
}

.loading {
    text-align: center;
    padding: 30px 0;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--tg-link);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 16px auto;
}

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

/* Success */
.success-icon { font-size: 64px; text-align: center; padding: 30px 0 10px; }

.eta { font-size: 18px; margin: 16px 0; }