/**
 * Daily7 Challenge Card Styles
 * Single-challenge focused card design with modern, elegant styling
 */

.daily7-challenge-card {
    background: white;
    border-radius: var(--daily7-radius-lg);
    box-shadow: var(--daily7-shadow-sm);
    padding: 40px;
    margin: 0 auto 32px;
    max-width: 600px;
    border: 1px solid var(--daily7-gray-200);
    transition: var(--daily7-transition-slow);
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Challenge content within unified card */
.daily7-challenge-content {
    padding: 0 40px 32px;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.daily7-challenge-header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
    gap: 16px;
    position: relative;
}

.daily7-challenge-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.daily7-edit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--daily7-gray-100);
    color: var(--daily7-gray-600);
    border: 1.5px solid var(--daily7-gray-300);
    transition: var(--daily7-transition);
    text-decoration: none;
    cursor: pointer;
    position: absolute;
    right: 0;
    top: 0;
}

.daily7-edit-btn:hover {
    background: var(--daily7-primary);
    border-color: var(--daily7-primary);
    color: white;
    transform: scale(1.05);
    box-shadow: var(--daily7-shadow-sm);
    text-decoration: none;
}

.daily7-edit-btn:active {
    transform: scale(0.98);
}

.daily7-edit-btn i {
    font-size: 0.875rem;
}

.daily7-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.daily7-badge i {
    font-size: 0.875em;
}

.daily7-badge-points {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: var(--daily7-primary);
    border: 1px solid #bfdbfe;
}

.daily7-badge-solvers {
    background: var(--daily7-gray-100);
    color: var(--daily7-gray-600);
    border: 1px solid var(--daily7-gray-200);
}

.daily7-badge-solved {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: var(--daily7-success-dark);
    border: 1px solid #6ee7b7;
}

.daily7-share-btn {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: var(--daily7-primary);
    border: 1px solid #bfdbfe;
    cursor: pointer;
    font-family: inherit;
    transition: transform 0.15s, box-shadow 0.15s;
}

.daily7-share-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.daily7-challenge-description {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--daily7-gray-700);
    margin-bottom: 28px;
}

/* Markdown content styling */
.daily7-challenge-description h1,
.daily7-challenge-description h2,
.daily7-challenge-description h3,
.daily7-challenge-description h4 {
    margin-top: 1.75rem;
    margin-bottom: 0.875rem;
    font-weight: 600;
    color: var(--daily7-gray-900);
    letter-spacing: -0.02em;
}

.daily7-challenge-description h1 {
    font-size: 1.5rem;
}

.daily7-challenge-description h2 {
    font-size: 1.25rem;
}

.daily7-challenge-description h3 {
    font-size: 1.125rem;
}

.daily7-challenge-description code {
    background: var(--daily7-gray-100);
    padding: 3px 7px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--daily7-gray-700);
    border: 1px solid var(--daily7-gray-200);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.daily7-challenge-description pre {
    background: var(--daily7-gray-100);
    padding: 20px;
    border-radius: var(--daily7-radius);
    overflow-x: auto;
    margin: 20px 0;
    border: 1px solid var(--daily7-gray-200);
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.daily7-challenge-description pre code {
    background: none;
    padding: 0;
    border: none;
    font-size: 0.875rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.daily7-challenge-description ul,
.daily7-challenge-description ol {
    margin-left: 24px;
    margin-bottom: 20px;
}

.daily7-challenge-description li {
    margin-bottom: 8px;
}

.daily7-challenge-description blockquote {
    border-left: 3px solid var(--daily7-primary);
    padding-left: 20px;
    margin: 20px 0;
    color: var(--daily7-gray-600);
    font-style: italic;
}

.daily7-challenge-description a {
    color: var(--daily7-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--daily7-transition);
}

.daily7-challenge-description a:hover {
    border-bottom-color: var(--daily7-primary);
}

/* Code block styling */
.daily7-challenge-description .code-container {
    position: relative;
    margin: 20px 0;
}

.daily7-challenge-description .code-container pre {
    margin: 0;
}

/* Modern copy button styling */
.daily7-challenge-description .copy-button {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: var(--daily7-gray-700);
    border: 1.5px solid var(--daily7-gray-300);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: var(--daily7-transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
    font-family: "Nunito Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.daily7-challenge-description .copy-button:hover {
    background: var(--daily7-primary);
    border-color: var(--daily7-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.daily7-challenge-description .copy-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

/* Copied state with smooth transition */
.daily7-challenge-description .copy-button.copied {
    background: var(--daily7-success);
    border-color: var(--daily7-success);
    color: white;
    transform: scale(1.05);
}

.daily7-answer-group {
    margin-bottom: 20px;
}

.daily7-answer-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 1.5px solid var(--daily7-gray-300);
    border-radius: var(--daily7-radius);
    transition: var(--daily7-transition);
    background: white;
    color: var(--daily7-gray-900);
    font-family: inherit;
}

.daily7-answer-input::placeholder {
    color: var(--daily7-gray-400);
}

.daily7-answer-input:focus {
    outline: none;
    border-color: var(--daily7-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.daily7-answer-input:disabled {
    background: var(--daily7-gray-50);
    cursor: not-allowed;
    opacity: 0.7;
}

.daily7-hint {
    font-size: 0.875rem;
    color: var(--daily7-gray-500);
    margin-top: 10px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.daily7-hint i {
    margin-top: 2px;
    color: var(--daily7-gray-400);
}

.daily7-submit-btn {
    width: 100%;
    padding: 16px 24px;
    font-size: 1rem;
    font-weight: 600;
    background: var(--daily7-primary);
    color: white;
    border: none;
    border-radius: var(--daily7-radius);
    cursor: pointer;
    transition: var(--daily7-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: -0.01em;
}

.daily7-submit-btn:hover:not(:disabled) {
    background: var(--daily7-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--daily7-shadow-lg);
}

.daily7-submit-btn:active:not(:disabled) {
    transform: translateY(0);
}

.daily7-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.daily7-challenge-card.shake {
    animation: shake 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Success checkmark animation */
.check_mark {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

.sa-icon {
    width: 80px;
    height: 80px;
    border: 4px solid var(--daily7-success);
    border-radius: 50%;
    margin: 20px auto;
    padding: 0;
    position: relative;
    box-sizing: content-box;
}

.sa-success {
    border-color: var(--daily7-success);
}

.sa-success::before,
.sa-success::after {
    content: '';
    border-radius: 50%;
    position: absolute;
    width: 60px;
    height: 120px;
    background: white;
    transform: rotate(45deg);
}

.sa-success::before {
    border-radius: 120px 0 0 120px;
    top: -7px;
    left: -33px;
    transform: rotate(-45deg);
    transform-origin: 60px 60px;
}

.sa-success::after {
    border-radius: 0 120px 120px 0;
    top: -11px;
    left: 30px;
    transform: rotate(-45deg);
    transform-origin: 0 60px;
}

.sa-placeholder {
    width: 80px;
    height: 80px;
    border: 4px solid rgba(16, 185, 129, 0.2);
    border-radius: 50%;
    box-sizing: content-box;
    position: absolute;
    left: -4px;
    top: -4px;
    z-index: 2;
}

.sa-fix {
    width: 5px;
    height: 90px;
    background-color: white;
    position: absolute;
    left: 28px;
    top: 8px;
    z-index: 1;
    transform: rotate(-45deg);
}

.sa-line {
    height: 5px;
    background-color: var(--daily7-success);
    display: block;
    border-radius: 2px;
    position: absolute;
    z-index: 2;
}

.sa-line.sa-tip {
    width: 25px;
    left: 14px;
    top: 46px;
    transform: rotate(45deg);
}

.sa-line.sa-long {
    width: 47px;
    right: 8px;
    top: 38px;
    transform: rotate(-45deg);
}

@keyframes animateSuccessTip {
    0%, 54% {
        width: 0;
        left: 1px;
        top: 19px;
    }
    70% {
        width: 50px;
        left: -8px;
        top: 37px;
    }
    84% {
        width: 17px;
        left: 21px;
        top: 48px;
    }
    100% {
        width: 25px;
        left: 14px;
        top: 45px;
    }
}

@keyframes animateSuccessLong {
    0%, 65% {
        width: 0;
        right: 46px;
        top: 54px;
    }
    84% {
        width: 55px;
        right: 0;
        top: 35px;
    }
    100% {
        width: 47px;
        right: 8px;
        top: 38px;
    }
}

.animateSuccessTip {
    animation: animateSuccessTip 0.75s;
}

.animateSuccessLong {
    animation: animateSuccessLong 0.75s;
}

@media (max-width: 768px) {
    .daily7-challenge-card {
        padding: 28px;
        margin: 0 16px 20px;
    }

    .daily7-challenge-content {
        padding: 0 28px 24px;
    }

    .daily7-challenge-description {
        font-size: 0.9375rem;
    }

    .daily7-submit-btn {
        padding: 14px 20px;
    }

    .daily7-edit-btn {
        width: 32px;
        height: 32px;
    }

    .daily7-edit-btn i {
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .daily7-challenge-card {
        padding: 24px;
        margin: 0 16px 16px;
    }

    .daily7-challenge-content {
        padding: 0 24px 20px;
    }

    .daily7-badge {
        font-size: 0.75rem;
        padding: 6px 12px;
    }
}