/* Challenge Cards - V2 Design */
.challenge-card-v2 {
    display: flex;
    flex-direction: column;
    background: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 14px;
    margin-bottom: 12px;
}

.challenge-card-v2-main {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.challenge-card-v2-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.challenge-card-v2-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 44px;
    justify-content: space-between;
}

.challenge-card-v2-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.challenge-card-v2-type {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 500;
}

.challenge-card-v2-prize {
    text-align: right;
    line-height: 1.2;
}

.challenge-card-v2-prize .prize-label {
    font-size: 10px;
    color: var(--text-muted);
    display: block;
}

.challenge-card-v2-prize .prize-amount {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 16px;
    font-weight: 700;
    color: #FBBF24;
    justify-content: flex-end;
}

.challenge-card-v2-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
    line-height: 1.2;
}

.challenge-card-v2-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-top: 12px;
}

.challenge-card-v2-meta {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--text-muted);
}

.challenge-join-btn {
    background: linear-gradient(135deg, #FF8E53, #FF6B6B);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.challenge-join-btn:active {
    transform: scale(0.96);
}

/* Legacy compact style (keep for backwards compat) */
.challenge-card-compact {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.challenge-card-compact:hover {
    border-color: var(--primary-color);
    background: var(--surface-color);
}

.challenge-card-compact:active {
    transform: scale(0.98);
}

.challenge-card-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.challenge-card-content {
    flex: 1;
    min-width: 0;
}

.challenge-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.challenge-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.challenge-card-meta span:not(:last-child)::after {
    content: "·";
    margin-left: 6px;
    color: var(--text-muted);
}

.challenge-card-prize {
    color: var(--spark-color) !important;
    font-weight: 600;
}

.challenge-card-stats {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.challenge-card-arrow {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* Legacy gradient card (for featured challenges) */
.challenge-card {
    background: linear-gradient(135deg, #6B46C1 0%, #9F7AEA 50%, #FF6B6B 100%);
    border: none;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
}

.challenge-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(107, 70, 193, 0.3);
}

.challenge-header {
    background: transparent;
    color: white;
    padding: var(--space-md) var(--space-lg);
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.challenge-header.completed {
    background: rgba(0, 0, 0, 0.2);
}

.challenge-header.circle-challenge {
    background: transparent;
}

/* Challenge day badge */
.challenge-day-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Challenge prize in gold */
.challenge-prize-gold {
    color: #FBBF24;
    font-size: 18px;
    font-weight: 700;
}

/* Challenge prize inline with title */
.challenge-prize-inline {
    display: flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, rgba(251,191,36,0.15), rgba(251,191,36,0.08));
    border: 1px solid rgba(251,191,36,0.3);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 600;
    color: #FBBF24;
    white-space: nowrap;
}

.challenge-body {
    padding: var(--space-lg);
    padding-top: 0;
}

.challenge-title {
    font-size: 18px;
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-sm);
}

.challenge-description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.challenge-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.challenge-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 13px;
    color: var(--text-secondary);
}

.challenge-meta-item i {
    width: 16px;
    height: 16px;
    color: var(--primary-color);
}

.challenge-prize {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: linear-gradient(135deg, rgba(255,215,0,0.15), rgba(255,165,0,0.15));
    border: 1px solid rgba(255,215,0,0.3);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.challenge-prize-icon {
    font-size: 20px;
}

.challenge-prize-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.challenge-progress {
    margin-bottom: var(--space-md);
}

.challenge-progress-bar {
    height: 8px;
    background: var(--surface-elevated);
    border-radius: 4px;
    overflow: hidden;
}

.challenge-progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.challenge-progress-text {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: var(--space-xs);
    text-align: right;
}

.challenge-stats {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
}

.challenge-stat {
    text-align: center;
}

.challenge-stat-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

.challenge-stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.challenge-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
}

.challenge-badge.active {
    background: rgba(74,222,128,0.15);
    color: var(--success-color);
}

.challenge-badge.completed {
    background: rgba(255,215,0,0.15);
    color: #FFD700;
}

.challenge-badge.participating {
    background: var(--primary-soft);
    color: var(--primary-color);
}

/* Challenge Type & Mode Badges */
.challenge-type {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.challenge-type.global {
    background: linear-gradient(135deg, #8B5CF6, #A78BFA);
    color: white;
}

.challenge-type.circle {
    background: var(--primary-soft);
    color: var(--primary-color);
}

.challenge-type.personal {
    background: rgba(74,222,128,0.15);
    color: var(--success-color);
}

.challenge-mode {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    background: var(--surface-elevated);
    color: var(--text-secondary);
}

.challenge-time {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
}

.challenge-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-top: none;
}

.challenge-rewards {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Participate button - coral style */
.challenge-participate-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.challenge-participate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.4);
}

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

.challenge-interests {
    padding: 0 var(--space-lg);
    padding-bottom: var(--space-md);
}

.challenge-detail-header {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

/* Challenge Create Button */
.challenge-create-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1a1a1e;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.challenge-create-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255,215,0,0.3);
}

/* Challenge Form Buttons */
.challenge-type-btn,
.challenge-mode-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    background: var(--surface-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.challenge-type-btn.active,
.challenge-mode-btn.active {
    background: var(--primary-soft);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.challenge-interest-tag {
    cursor: pointer;
    transition: all 0.2s ease;
}

.challenge-interest-tag.active {
    background: linear-gradient(135deg, rgba(255,107,107,0.15), rgba(255,160,122,0.1));
    border: 1.5px solid rgba(255,107,107,0.4);
    color: #FF6B6B;
    font-weight: 600;
}

/* Challenge Leaderboard */
.leaderboard-list {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.leaderboard-item:last-child {
    border-bottom: none;
}

.leaderboard-place {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    background: var(--surface-elevated);
    color: var(--text-secondary);
}

.leaderboard-item.place-1 .leaderboard-place {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1a1a1e;
}

.leaderboard-item.place-2 .leaderboard-place {
    background: linear-gradient(135deg, #C0C0C0, #A8A8A8);
    color: #1a1a1e;
}

.leaderboard-item.place-3 .leaderboard-place {
    background: linear-gradient(135deg, #CD7F32, #B87333);
    color: white;
}

.leaderboard-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: white;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.leaderboard-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.leaderboard-info {
    flex: 1;
    min-width: 0;
}

.leaderboard-name {
    font-weight: 500;
    font-size: 14px;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.leaderboard-score {
    font-weight: 600;
    font-size: 14px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 4px;
}


/* Challenge Treasury Checkbox */
.challenge-treasury-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 12px;
    background: var(--surface-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.challenge-treasury-checkbox:hover {
    border-color: var(--spark-color);
}

.challenge-treasury-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--spark-color);
    cursor: pointer;
}

.challenge-treasury-checkbox span {
    font-size: 14px;
    color: var(--text-color);
}

.challenge-treasury-balance {
    margin-left: auto;
    font-weight: 600;
    color: var(--spark-color);
    font-size: 13px;
}

.challenge-treasury-balance::before {
    content: "💰 ";
}

/* Challenge Form Styles */
.challenge-form {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.challenge-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.challenge-form .form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.challenge-form .form-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-color);
    transition: border-color var(--transition-fast);
}

.challenge-form .form-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.challenge-form .form-input::placeholder {
    color: var(--text-muted);
}

.challenge-form textarea.form-input {
    resize: none;
    min-height: 60px;
}

.challenge-form .form-hint {
    font-size: 12px;
    color: var(--text-muted);
}

/* Duration Buttons */
.challenge-duration-buttons {
    display: flex;
    gap: 8px;
}

.duration-btn {
    flex: 1;
    padding: 10px 12px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.duration-btn:hover {
    border-color: var(--primary-color);
    color: var(--text-color);
}

.duration-btn.active {
    background: var(--primary-soft);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Type Buttons */
.challenge-type-buttons {
    display: flex;
    gap: 8px;
}

.type-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.type-btn:hover {
    border-color: var(--primary-color);
    color: var(--text-color);
}

.type-btn.active {
    background: var(--primary-soft);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.type-btn i {
    width: 18px;
    height: 18px;
}

/* Custom Select */
.custom-select-wrapper {
    position: relative;
}

.form-select {
    width: 100%;
    padding: 12px 40px 12px 14px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-color);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color var(--transition-fast);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-select option {
    background: var(--surface-color);
    color: var(--text-color);
    padding: 8px;
}

.select-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

/* Prize Input */
.prize-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.prize-spark-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 1;
}

.prize-input {
    width: 100%;
    padding: 12px 14px 12px 40px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--spark-color);
    transition: border-color var(--transition-fast);
    -moz-appearance: textfield;
}

.prize-input::-webkit-outer-spin-button,
.prize-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.prize-input:focus {
    outline: none;
    border-color: var(--spark-color);
}

/* Winner Count Buttons */
.winner-count-buttons {
    display: flex;
    gap: 8px;
}

.winner-btn {
    flex: 1;
    padding: 10px 12px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.winner-btn:hover {
    border-color: var(--primary-color);
    color: var(--text-color);
}

.winner-btn.active {
    background: var(--primary-soft);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Submit Button */
.challenge-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: 8px;
}

.challenge-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.challenge-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}