/**
 * PTP Viral Engine Styles
 * Social sharing, referrals, and social proof
 * Mobile-first design
 * @version 1.0.0
 */

:root {
    --ptp-gold: #FCB900;
    --ptp-black: #0A0A0A;
    --ptp-success: #10B981;
    --ptp-facebook: #1877F2;
    --ptp-twitter: #1DA1F2;
    --ptp-whatsapp: #25D366;
    --ptp-sms: #34C759;
}

/* ==========================================================================
   Share Buttons
   ========================================================================== */
.ptp-share-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.ptp-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    color: #fff;
}

.ptp-share-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.ptp-share-btn:active {
    transform: translateY(0);
}

.ptp-share-btn--sms {
    background: var(--ptp-sms);
}

.ptp-share-btn--whatsapp {
    background: var(--ptp-whatsapp);
}

.ptp-share-btn--facebook {
    background: var(--ptp-facebook);
}

.ptp-share-btn--twitter {
    background: var(--ptp-twitter);
}

.ptp-share-btn--copy {
    background: #6B7280;
}

.ptp-share-btn--copy.copied {
    background: var(--ptp-success);
}

.ptp-share-btn svg,
.ptp-share-btn__icon {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   Share Prompt
   ========================================================================== */
.ptp-share-prompt {
    background: linear-gradient(135deg, #F0FDF4 0%, #D1FAE5 100%);
    border: 2px solid var(--ptp-success);
    border-radius: 12px;
    padding: 24px;
    margin: 24px 0;
    text-align: center;
}

.ptp-share-prompt__title {
    font-family: 'Oswald', sans-serif;
    font-size: 20px;
    margin: 0 0 8px;
    color: #059669;
}

.ptp-share-prompt__subtitle {
    color: #666;
    margin: 0 0 20px;
    font-size: 15px;
}

/* ==========================================================================
   Referral Link Input
   ========================================================================== */
.ptp-referral-link {
    display: flex;
    gap: 8px;
    max-width: 450px;
    margin: 16px auto 0;
}

.ptp-referral-link input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
    min-width: 0;
}

.ptp-referral-link input:focus {
    outline: none;
    border-color: var(--ptp-gold);
}

.ptp-referral-link__btn {
    background: var(--ptp-black);
    color: #fff;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.ptp-referral-link__btn:hover {
    background: var(--ptp-gold);
    color: var(--ptp-black);
}

.ptp-referral-link__btn.copied {
    background: var(--ptp-success);
}

/* ==========================================================================
   Referral Dashboard
   ========================================================================== */
.ptp-referral-dashboard {
    font-family: 'Inter', -apple-system, sans-serif;
}

.ptp-referral-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.ptp-referral-stat {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.ptp-referral-stat--credit {
    background: #F0FDF4;
}

.ptp-referral-stat--referrals {
    background: #FEF3C7;
}

.ptp-referral-stat--earned {
    background: #EDE9FE;
}

.ptp-referral-stat__value {
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
}

.ptp-referral-stat--credit .ptp-referral-stat__value {
    color: #059669;
}

.ptp-referral-stat--referrals .ptp-referral-stat__value {
    color: #D97706;
}

.ptp-referral-stat--earned .ptp-referral-stat__value {
    color: #7C3AED;
}

.ptp-referral-stat__label {
    font-size: 13px;
    color: #666;
    margin-top: 4px;
}

/* ==========================================================================
   Referral Share Card
   ========================================================================== */
.ptp-referral-share-card {
    background: var(--ptp-black);
    border-radius: 12px;
    padding: 24px;
    color: #fff;
    margin-bottom: 24px;
}

.ptp-referral-share-card__title {
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
    text-transform: uppercase;
    margin: 0 0 8px;
}

.ptp-referral-share-card__subtitle {
    color: #9CA3AF;
    font-size: 14px;
    margin: 0 0 16px;
}

.ptp-referral-share-card .ptp-referral-link input {
    background: #1F1F1F;
    color: #fff;
    border-color: #333;
}

.ptp-referral-share-card .ptp-referral-link__btn {
    background: var(--ptp-gold);
    color: var(--ptp-black);
}

/* ==========================================================================
   Social Proof Notifications
   ========================================================================== */
#ptp-social-proof {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: var(--z-modal-backdrop, 400); /* v250: token */
    pointer-events: none;
}

.ptp-proof-notification {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 340px;
    animation: slideInLeft 0.3s ease, slideOutLeft 0.3s ease 4.7s forwards;
    pointer-events: auto;
    margin-bottom: 12px;
}

.ptp-proof-notification__image {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.ptp-proof-notification__content {
    flex: 1;
    min-width: 0;
}

.ptp-proof-notification__title {
    font-weight: 600;
    font-size: 14px;
    color: var(--ptp-black);
    margin: 0 0 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ptp-proof-notification__subtitle {
    font-size: 12px;
    color: #666;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ptp-proof-notification__time {
    font-size: 11px;
    color: #999;
    margin-top: 2px;
}

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

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

/* ==========================================================================
   Share Modal
   ========================================================================== */
.ptp-share-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    z-index: var(--z-modal, 500); /* v250: token */
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.ptp-share-modal.active {
    display: flex;
}

.ptp-share-modal__content {
    background: #fff;
    border-radius: 16px;
    max-width: 420px;
    width: 100%;
    overflow: hidden;
    animation: modalSlideUp 0.3s ease;
}

@keyframes modalSlideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.ptp-share-modal__header {
    background: var(--ptp-black);
    color: #fff;
    padding: 20px;
    text-align: center;
    position: relative;
}

.ptp-share-modal__title {
    font-family: 'Oswald', sans-serif;
    font-size: 22px;
    margin: 0;
    text-transform: uppercase;
}

.ptp-share-modal__close {
    position: absolute;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.ptp-share-modal__close:hover {
    opacity: 1;
}

.ptp-share-modal__body {
    padding: 24px;
    text-align: center;
}

.ptp-share-modal__emoji {
    font-size: 48px;
    margin-bottom: 12px;
}

.ptp-share-modal__headline {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 8px;
}

.ptp-share-modal__description {
    color: #666;
    font-size: 14px;
    margin: 0 0 20px;
}

/* ==========================================================================
   Leaderboard
   ========================================================================== */
.ptp-leaderboard {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.ptp-leaderboard__header {
    background: var(--ptp-black);
    color: #fff;
    padding: 16px 20px;
}

.ptp-leaderboard__title {
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
    margin: 0;
    text-transform: uppercase;
}

.ptp-leaderboard__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ptp-leaderboard__item {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid #f0f0f0;
}

.ptp-leaderboard__item:last-child {
    border-bottom: none;
}

.ptp-leaderboard__rank {
    width: 40px;
    text-align: center;
    font-size: 18px;
}

.ptp-leaderboard__name {
    flex: 1;
    font-weight: 600;
}

.ptp-leaderboard__count {
    background: var(--ptp-gold);
    color: var(--ptp-black);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

/* ==========================================================================
   Achievement Badges
   ========================================================================== */
.ptp-achievements {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.ptp-achievement {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #F3F4F6;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 13px;
}

.ptp-achievement--unlocked {
    background: var(--ptp-gold);
}

.ptp-achievement__icon {
    font-size: 16px;
}

/* ==========================================================================
   Mobile Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .ptp-share-buttons {
        flex-direction: column;
    }
    
    .ptp-share-btn {
        width: 100%;
        justify-content: center;
    }
    
    .ptp-referral-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ptp-referral-link {
        flex-direction: column;
    }
    
    .ptp-referral-link input {
        text-align: center;
    }
    
    #ptp-social-proof {
        left: 10px;
        right: 10px;
        bottom: 10px;
    }
    
    .ptp-proof-notification {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .ptp-share-modal__content {
        margin: 10px;
    }
    
    .ptp-referral-stat__value {
        font-size: 24px;
    }
    
    .ptp-share-prompt {
        padding: 20px 16px;
    }
}

/* ==========================================================================
   How It Works Section
   ========================================================================== */
.ptp-how-it-works {
    background: #F9FAFB;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.ptp-how-it-works__title {
    font-family: 'Oswald', sans-serif;
    font-size: 16px;
    text-transform: uppercase;
    margin: 0 0 16px;
}

.ptp-how-it-works__steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: center;
}

.ptp-how-it-works__step-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.ptp-how-it-works__step-title {
    font-weight: 700;
    font-size: 14px;
    margin: 0 0 4px;
}

.ptp-how-it-works__step-desc {
    font-size: 12px;
    color: #666;
    margin: 0;
}

@media (max-width: 480px) {
    .ptp-how-it-works__steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ==========================================================================
   Redeem Credit Section
   ========================================================================== */
.ptp-redeem-credit {
    background: #F0FDF4;
    border: 2px solid var(--ptp-success);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    margin-bottom: 24px;
}

.ptp-redeem-credit__title {
    font-weight: 700;
    margin: 0 0 8px;
}

.ptp-redeem-credit__desc {
    color: #666;
    font-size: 14px;
    margin: 0 0 16px;
}

.ptp-redeem-credit__btn {
    background: var(--ptp-success);
    color: #fff;
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.ptp-redeem-credit__btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* Print */
@media print {
    .ptp-share-modal,
    #ptp-social-proof,
    .ptp-share-buttons {
        display: none !important;
    }
}