/* ============================================
   Cre8Block Web - Sharing Pages
   ============================================ */

:root {
    /* Light Mode (Default) */
    --bg-primary: #FBFBFB;
    --bg-card: #FFFFFF;
    --text-primary: #000000;
    --text-secondary: #888888;
    --accent-color: #000000;
    --divider-color: #E5E5E5;
    --gold: #D4AF37;

    /* Gradients for Visual Cards */
    --gradient-proposal: linear-gradient(135deg, #E91E63, #AD1457);
    --gradient-loan: linear-gradient(135deg, #4CAF50, #2E7D32);
    --gradient-quit: linear-gradient(135deg, #FF9800, #E65100);
    --gradient-newyear: linear-gradient(135deg, #2196F3, #0D47A1);
    --gradient-bucket: linear-gradient(135deg, #009688, #004D40);
    --gradient-future: linear-gradient(135deg, #7B1FA2, #4A148C);
    --gradient-default: linear-gradient(135deg, #607D8B, #37474F);
}

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

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

#app {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    background-color: var(--bg-primary);
}

/* ============================================
   Loading State
   ============================================ */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    gap: 16px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--divider-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ============================================
   Error State
   ============================================ */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    text-align: center;
}

.error-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.error-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.error-message {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ============================================
   Page Container
   ============================================ */
.page-container {
    padding: 24px 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Header
   ============================================ */
.header {
    text-align: center;
    padding: 16px 0;
    margin-bottom: 24px;
}

.header-logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ============================================
   Visual Card (Promise Preview)
   ============================================ */
.visual-card {
    border-radius: 20px;
    padding: 28px 24px;
    color: white;
    min-height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    margin-bottom: 24px;
}

.visual-card.proposal { background: var(--gradient-proposal); }
.visual-card.loan { background: var(--gradient-loan); }
.visual-card.quit-pledge { background: var(--gradient-quit); }
.visual-card.new-year { background: var(--gradient-newyear); }
.visual-card.bucket-list { background: var(--gradient-bucket); }
.visual-card.future-self { background: var(--gradient-future); }
.visual-card.default { background: var(--gradient-default); }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-badge {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    opacity: 0.8;
    text-transform: uppercase;
}

.card-icon {
    font-size: 32px;
}

.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px 0;
}

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

.card-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-subtitle {
    font-size: 14px;
    opacity: 0.85;
    margin-bottom: 16px;
}

.card-message {
    font-size: 15px;
    line-height: 1.6;
    background: rgba(255, 255, 255, 0.15);
    padding: 16px;
    border-radius: 12px;
    width: 100%;
    max-width: 280px;
}

.card-footer {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.card-footer-text {
    font-size: 10px;
    letter-spacing: 1px;
    opacity: 0.7;
}

/* ============================================
   Info Section
   ============================================ */
.info-section {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    border: 1px solid var(--divider-color);
}

.info-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--divider-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-secondary);
    font-size: 13px;
}

.info-value {
    font-size: 13px;
    font-weight: 500;
}

/* ============================================
   Action Buttons
   ============================================ */
.action-section {
    margin-top: auto;
    padding-top: 24px;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
    gap: 8px;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--divider-color);
    margin-top: 12px;
}

.btn-secondary:hover {
    background: var(--divider-color);
}

.btn-gold {
    background: var(--gold);
    color: #1A1A1A;
}

.store-buttons {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.store-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--divider-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.store-btn:hover {
    background: var(--divider-color);
}

.store-icon {
    width: 24px;
    height: 24px;
}

/* ============================================
   Invite Page Specific
   ============================================ */
.invite-message {
    text-align: center;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 16px;
    margin-bottom: 24px;
    border: 1px solid var(--divider-color);
}

.invite-message h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.invite-message p {
    color: var(--text-secondary);
    font-size: 14px;
}

.inviter-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: 12px;
    margin-bottom: 24px;
    border: 1px solid var(--divider-color);
}

.inviter-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--divider-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.inviter-details h3 {
    font-size: 15px;
    font-weight: 600;
}

.inviter-details p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================
   Expiry Warning
   ============================================ */
.expiry-warning {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #FFF3E0;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
    color: #E65100;
}

/* ============================================
   Blockchain Badge
   ============================================ */
.blockchain-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 8px;
    margin-top: 16px;
    font-size: 12px;
    color: #2E7D32;
}

.blockchain-badge.pending {
    background: rgba(255, 152, 0, 0.1);
    color: #E65100;
}

/* ============================================
   Support Section
   ============================================ */
.support-section {
    text-align: center;
    padding: 24px;
    background: var(--bg-card);
    border-radius: 16px;
    margin-top: 16px;
    border: 1px solid var(--divider-color);
}

.support-count {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
}

.support-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* ============================================
   Footer
   ============================================ */
.page-footer {
    text-align: center;
    padding: 24px;
    margin-top: auto;
}

.page-footer p {
    font-size: 12px;
    color: var(--text-secondary);
}

.page-footer a {
    color: var(--text-secondary);
    text-decoration: none;
}

.page-footer a:hover {
    text-decoration: underline;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 480px) {
    .page-container {
        padding: 16px 12px;
    }

    .visual-card {
        padding: 24px 20px;
        min-height: 280px;
    }

    .card-title {
        font-size: 20px;
    }
}