/* Friend Challenge System Styles */

/* ── Challenge acceptance banner (fixed at very top) ── */
.challenge-banner {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 3000;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    padding: 12px 20px;
    text-align: center;
    font-size: 1em;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(240, 87, 108, 0.5);
    animation: slideDown 0.4s ease;
    line-height: 1.5;
}

.challenge-banner.visible {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to   { transform: translateY(0);     opacity: 1; }
}

.challenge-banner-text {
    flex: 1 1 200px;
    min-width: 0;
}

.challenge-banner-score {
    font-size: 1.4em;
    font-weight: 800;
    color: #ffd700;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.challenge-banner-reward {
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.9em;
    white-space: nowrap;
}

.challenge-banner-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.4em;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
    opacity: 0.8;
    transition: opacity 0.2s;
    flex-shrink: 0;
}

.challenge-banner-close:hover { opacity: 1; }

/* ── Challenge share modal ── */
.challenge-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 3500;
    background: rgba(0,0,0,0.82);
    backdrop-filter: blur(6px);
    overflow-y: auto;
}

.challenge-modal.visible { display: flex; align-items: center; justify-content: center; padding: 20px; }

.challenge-modal-content {
    background: rgba(15, 13, 26, 0.97);
    border: 1px solid rgba(240, 87, 108, 0.4);
    border-radius: 24px;
    padding: 36px 30px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
    position: relative;
    animation: popIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes popIn {
    from { transform: scale(0.8); opacity: 0; }
    to   { transform: scale(1);   opacity: 1; }
}

.challenge-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 1.8em;
    background: none;
    border: none;
    color: #aaa;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.challenge-modal-close:hover { color: #fff; }

.challenge-modal-title {
    text-align: center;
    font-size: 1.7em;
    font-weight: 800;
    color: #ffd700;
    margin: 0 0 8px 0;
}

.challenge-modal-subtitle {
    text-align: center;
    color: #aaa;
    margin: 0 0 24px 0;
    font-size: 0.95em;
}

.challenge-score-display {
    background: linear-gradient(135deg, rgba(240,87,108,0.15) 0%, rgba(240,143,251,0.15) 100%);
    border: 1px solid rgba(240, 87, 108, 0.3);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    margin-bottom: 24px;
}

.challenge-score-label {
    color: #aaa;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.challenge-score-value {
    font-size: 2.8em;
    font-weight: 900;
    color: #ffd700;
    line-height: 1.1;
    text-shadow: 0 0 20px rgba(255,215,0,0.4);
}

.challenge-score-level {
    color: #f093fb;
    font-size: 0.9em;
    margin-top: 4px;
}

.challenge-reward-info {
    background: rgba(255,215,0,0.08);
    border: 1px solid rgba(255,215,0,0.2);
    border-radius: 12px;
    padding: 12px 16px;
    text-align: center;
    color: #ffd700;
    font-size: 0.9em;
    margin-bottom: 20px;
}

.challenge-url-box {
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    padding: 10px 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78em;
    color: #ccc;
    word-break: break-all;
    margin-bottom: 16px;
    line-height: 1.5;
}

.challenge-copy-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s;
    margin-bottom: 16px;
}

.challenge-copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(240, 87, 108, 0.4);
}

.challenge-copy-btn.copied {
    background: linear-gradient(135deg, #00d4aa 0%, #00a878 100%);
}

.challenge-share-label {
    text-align: center;
    color: #888;
    font-size: 0.85em;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.challenge-social-row {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.challenge-social-btn {
    flex: 1;
    max-width: 100px;
    padding: 12px 6px;
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 0.8em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.challenge-social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.challenge-social-btn .social-icon {
    font-size: 1.5em;
    line-height: 1;
}

.challenge-social-btn.telegram  { background: #0088cc; }
.challenge-social-btn.whatsapp  { background: #25d366; }
.challenge-social-btn.twitter   { background: #1da1f2; }
.challenge-social-btn.vk        { background: #4a76a8; }

/* ── Challenge-won toast ── */
.challenge-won-toast {
    display: none;
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    z-index: 3000;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    padding: 16px 28px;
    border-radius: 16px;
    font-size: 1.05em;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 8px 32px rgba(240,87,108,0.5);
    transition: transform 0.4s ease, opacity 0.4s ease;
    opacity: 0;
    white-space: nowrap;
}

.challenge-won-toast.show {
    display: block;
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ── Game-over challenge prompt ── */
.challenge-prompt {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2500;
    background: rgba(15, 13, 26, 0.97);
    border: 1px solid rgba(240, 87, 108, 0.5);
    border-radius: 16px;
    padding: 16px 20px;
    max-width: 280px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    animation: slideInRight 0.4s ease;
}

.challenge-prompt.visible { display: block; }

@keyframes slideInRight {
    from { transform: translateX(120%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

.challenge-prompt-text {
    color: #eee;
    font-size: 0.9em;
    margin: 0 0 12px 0;
    line-height: 1.5;
}

.challenge-prompt-score {
    color: #ffd700;
    font-weight: 800;
}

.challenge-prompt-btn {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 0.95em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.challenge-prompt-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(240,87,108,0.4);
}

.challenge-prompt-dismiss {
    display: block;
    margin-top: 8px;
    text-align: center;
    color: #666;
    font-size: 0.8em;
    cursor: pointer;
    transition: color 0.2s;
    background: none;
    border: none;
    width: 100%;
}

.challenge-prompt-dismiss:hover { color: #aaa; }

/* ── Mobile adjustments ── */
@media (max-width: 600px) {
    .challenge-banner { font-size: 0.85em; padding: 10px 12px; }
    .challenge-modal-content { padding: 24px 18px; }
    .challenge-modal-title { font-size: 1.4em; }
    .challenge-score-value { font-size: 2.2em; }
    .challenge-social-btn { padding: 10px 4px; font-size: 0.75em; }
    .challenge-prompt { bottom: 10px; right: 10px; left: 10px; max-width: none; }
    .challenge-won-toast { font-size: 0.92em; padding: 14px 20px; white-space: normal; max-width: 90vw; }
}