/* Challenges Feature - Styles */

/* ===== Challenge Page Container ===== */
.challenges-page {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
}

.challenges-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.challenges-header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.challenges-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Challenge Grid ===== */
.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

/* ===== Challenge Card ===== */
.challenge-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.challenge-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.challenge-card.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.challenge-card.completed {
    border-color: var(--success);
}

.challenge-card-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.challenge-card-badge.active {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.challenge-card-badge.completed {
    background: var(--success);
    color: white;
}

.challenge-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: white;
    font-size: 1.5rem;
}

/* Challenge Card mit Bild/Icon */
.challenge-card.has-image {
    padding: var(--space-5);
    flex-direction: row;
    gap: var(--space-4);
    align-items: flex-start;
}

.challenge-card-image {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.challenge-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.challenge-card:hover .challenge-card-image img {
    transform: scale(1.05);
}

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

.challenge-card.has-image .challenge-card-content h3 {
    margin-bottom: var(--space-2);
}

.challenge-card.has-image .challenge-card-content p {
    font-size: 0.875rem;
    margin-bottom: var(--space-3);
}

.challenge-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.challenge-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--space-4);
    flex-grow: 1;
}

.challenge-card-meta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.challenge-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.challenge-card-meta svg {
    width: 16px;
    height: 16px;
}

.challenge-difficulty {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.challenge-difficulty.leicht {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.challenge-difficulty.mittel {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.challenge-difficulty.schwer {
    background: rgba(244, 63, 94, 0.1);
    color: var(--danger);
}

/* ===== Challenge Detail Page ===== */
.challenge-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
}

.challenge-detail-image {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin: 0 auto var(--space-5);
    box-shadow: var(--shadow-md);
}

.challenge-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.challenge-detail-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.challenge-detail-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
    color: white;
    font-size: 2rem;
}

.challenge-detail-header h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.challenge-detail-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.challenge-detail-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-600);
}

.challenge-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.challenge-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.challenge-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.challenge-benefits li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-100);
}

.challenge-benefits li:last-child {
    border-bottom: none;
}

.challenge-benefits li svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--success);
    margin-top: 2px;
}

.challenge-station-preview {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.station-type-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--gray-100);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--gray-700);
}

.station-type-badge svg {
    width: 16px;
    height: 16px;
}

.challenge-cta {
    text-align: center;
    padding: var(--space-6);
}

/* ===== Active Challenge Page ===== */
.challenge-active {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-6);
}

.challenge-progress-header {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-6);
    align-items: center;
}

.challenge-progress-info h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.challenge-day-display {
    font-size: 1.125rem;
    color: var(--gray-600);
}

.challenge-day-display strong {
    color: var(--primary);
}

.challenge-progress-ring {
    width: 100px;
    height: 100px;
    position: relative;
}

.challenge-progress-ring svg {
    transform: rotate(-90deg);
}

.challenge-progress-ring circle {
    fill: none;
    stroke-width: 8;
}

.challenge-progress-ring .bg {
    stroke: var(--gray-200);
}

.challenge-progress-ring .progress {
    stroke: var(--primary);
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease;
}

.challenge-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

/* ===== Productivity Goals ===== */
.challenge-goals {
    margin-top: var(--space-6);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.challenge-goals h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.goal-config {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-3);
    align-items: end;
    margin-bottom: var(--space-5);
}

.goal-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.goal-field label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray-500);
}

.goal-field input {
    padding: 0.5rem 0.7rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    font-size: 1rem;
}

.goal-progress-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.goal-progress-compact .goal-card {
    padding: var(--space-3);
}

.goal-progress-compact .goal-value {
    font-size: 1.4rem;
    margin: var(--space-1) 0;
}

.goal-card {
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    padding: var(--space-4);
}

.goal-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.goal-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: var(--space-2) 0;
}

.goal-track {
    height: 8px;
    background: var(--gray-200);
    border-radius: 999px;
    overflow: hidden;
}

.goal-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(135deg, #2d93dd 0%, #22c55e 100%);
    transition: width 0.3s ease;
}

.goal-meta {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: var(--space-2);
}

.goal-hint {
    margin-top: var(--space-4);
    font-size: 0.85rem;
    color: var(--gray-500);
}

.goal-graph {
    margin-top: var(--space-5);
}

.goal-graph h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.goal-graph-wrap {
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    padding: var(--space-3);
}

.goal-graph svg {
    width: 100%;
    height: 140px;
    display: block;
}

.goal-graph-labels {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: var(--space-1);
    margin-top: var(--space-2);
    font-size: 0.75rem;
    color: var(--gray-500);
    text-align: center;
}

.goal-celebration {
    margin-top: var(--space-4);
    background: rgba(34, 197, 94, 0.12);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    font-weight: 600;
    justify-content: center;
}

/* ===== Challenge Setup ===== */
.challenge-setup {
    max-width: 640px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
}

.challenge-setup-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    padding: var(--space-6);
}

.challenge-setup-card h1 {
    font-size: 1.75rem;
    margin-bottom: var(--space-2);
    color: var(--gray-900);
}

.challenge-setup-subtitle {
    color: var(--gray-600);
    margin-bottom: var(--space-5);
}

.challenge-setup-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.challenge-setup-hint {
    margin-top: var(--space-4);
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ===== Today's Tasks Section ===== */
.today-tasks {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    border: 1px solid var(--primary-light);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.today-tasks h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.today-tasks h2 svg {
    color: var(--primary);
}

.today-tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* ===== Challenge Path (Timeline) ===== */
.challenge-path-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.challenge-path-section h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-5);
}

.challenge-path {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    position: relative;
    padding-left: 28px;
}

.challenge-path::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 24px;
    bottom: 24px;
    width: 2px;
    background: var(--gray-200);
}

/* ===== Station Card ===== */
.station-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    position: relative;
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.station-card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-sm);
}

.station-card.completed {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.03);
}

.station-card.today {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.station-card.locked {
    opacity: 0.6;
    cursor: not-allowed;
}

.station-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    margin-left: -28px;
}

.station-icon svg {
    width: 20px;
    height: 20px;
    color: var(--gray-600);
}

.station-card.completed .station-icon {
    background: var(--success);
}

.station-card.completed .station-icon svg {
    color: white;
}

.station-card.today .station-icon {
    background: var(--primary);
}

.station-card.today .station-icon svg {
    color: white;
}

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

.station-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.station-content p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.station-meta {
    display: flex;
    gap: var(--space-3);
    font-size: 0.75rem;
    color: var(--gray-500);
}

.station-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.station-status {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
}

.station-status svg {
    width: 20px;
    height: 20px;
    color: var(--gray-400);
}

.station-card.completed .station-status svg {
    color: var(--success);
}

/* ===== Station Page ===== */
.station-page {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-6);
}

.station-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.station-header-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: white;
}

.station-header-icon svg {
    width: 28px;
    height: 28px;
}

.station-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.station-header p {
    color: var(--gray-600);
}

.station-content-area {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

/* ===== Survey Styles ===== */
.survey-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.survey-question {
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--gray-100);
}

.survey-question:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.survey-question label {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.survey-slider {
    width: 100%;
    margin-bottom: var(--space-2);
}

.survey-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--gray-500);
}

.survey-slider-value {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-2);
}

.survey-textarea {
    width: 100%;
    min-height: 100px;
    padding: var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    resize: vertical;
    font-family: inherit;
}

.survey-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.survey-radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.survey-radio-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.survey-radio-option:hover {
    border-color: var(--primary-light);
    background: rgba(99, 102, 241, 0.03);
}

.survey-radio-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.survey-number-input {
    width: 100px;
    padding: var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    text-align: center;
}

/* ===== Survey Summary ===== */
.station-summary {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    margin-bottom: var(--space-6);
}

.station-summary h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.station-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-3);
}

.station-summary-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-3);
}

.station-summary-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.station-summary-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-top: 0.35rem;
}

.station-summary-note {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--space-4);
}

/* ===== Article Styles ===== */
.article-content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.article-section {
    margin-bottom: var(--space-6);
}

.article-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.article-section p {
    margin-bottom: var(--space-4);
    white-space: pre-line;
}

/* ===== Milestone Styles ===== */
.milestone-content {
    text-align: center;
    padding: var(--space-8) var(--space-4);
}

.milestone-badge {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    color: white;
    font-size: 3rem;
}

.milestone-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.milestone-content p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 400px;
    margin: 0 auto;
}

.milestone-celebration {
    animation: celebrate 0.6s ease-out;
}

@keyframes celebrate {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===== Complete Button ===== */
.station-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
}

.btn-complete {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-complete:hover {
    background: var(--primary-dark);
}

.btn-complete:disabled {
    background: var(--gray-300);
    cursor: not-allowed;
}

.btn-complete svg {
    width: 20px;
    height: 20px;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--gray-400);
    margin-bottom: var(--space-4);
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.empty-state p {
    color: var(--gray-600);
    margin-bottom: var(--space-6);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .challenges-page,
    .challenge-detail,
    .challenge-active,
    .station-page {
        padding: var(--space-4);
    }

    .challenges-header h1,
    .challenge-detail-header h1 {
        font-size: 1.75rem;
    }

    .challenges-grid {
        grid-template-columns: 1fr;
    }

    .challenge-progress-header {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .challenge-progress-ring {
        margin: 0 auto;
    }

    .challenge-detail-meta {
        flex-direction: column;
        gap: var(--space-2);
    }

    .station-card {
        flex-wrap: wrap;
    }

    .station-meta {
        width: 100%;
        margin-top: var(--space-2);
    }
}

@media (max-width: 480px) {
    .challenge-card-meta {
        flex-direction: column;
        gap: var(--space-2);
    }

    .milestone-badge {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
}

/* ===== Challenge Complete Section ===== */
.challenge-complete-section {
    margin-top: var(--space-6);
}

.challenge-complete-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border: 2px solid var(--success);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
}

.challenge-complete-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.challenge-complete-card h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--success);
    margin-bottom: var(--space-2);
}

.challenge-complete-card p {
    color: var(--gray-600);
    font-size: 1.125rem;
    margin-bottom: var(--space-6);
}

.challenge-complete-card .btn-primary {
    background: var(--success);
    padding: var(--space-4) var(--space-8);
    font-size: 1.125rem;
}

.challenge-complete-card .btn-primary:hover {
    background: #059669;
}

/* ===== Debug Toggle Button ===== */
.debug-toggle {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #1a1a2e;
    color: #ffd700;
    border: 2px solid #ffd700;
    font-size: 20px;
    cursor: pointer;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.debug-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

/* ===== Debug Panel ===== */
.debug-panel {
    display: none;
    position: fixed;
    bottom: 80px;
    left: 20px;
    background: #1a1a2e;
    color: white;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    z-index: 9999;
    min-width: 240px;
    font-size: 14px;
}

.debug-panel.visible {
    display: block;
}

.debug-panel h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 600;
    color: #ffd700;
}

.debug-panel label {
    display: block;
    margin-bottom: 8px;
    color: #e0e0e0;
}

.debug-panel input[type="range"] {
    width: 100%;
    margin: 8px 0 4px;
    accent-color: var(--primary);
}

.debug-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.debug-actions .btn {
    flex: 1;
    padding: 8px 12px;
    font-size: 13px;
}

.debug-indicator {
    position: fixed;
    top: 70px;
    right: 20px;
    background: #ffd700;
    color: #1a1a2e;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    z-index: 9998;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}