/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 50%, #f0f4ff 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 16px 0;
}

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

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.logo-link:hover {
    transform: translateY(-1px);
}

.logo-icon {
    padding: 8px;
    border-radius: 8px;
    color: white;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
    color: #1f2937;
}

.website {
    color: #6b7280;
    font-size: 14px;
    font-weight: 500;
}

/* Main Content */
.main {
    padding: 64px 0;
}

.tutorial-main {
    padding: 32px 0;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 64px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.3);
    font-size: 40px;
    color: white;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 24px;
}

.success-message {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border: 1px solid #bbf7d0;
    border-radius: 16px;
    padding: 32px;
    margin: 0 auto;
    max-width: 800px;
    margin-bottom: 32px;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.1);
}

.success-message p {
    font-size: 18px;
    color: #166534;
    line-height: 1.7;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #4f46e5);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 24px;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-icon.blue { 
    background: linear-gradient(135deg, #dbeafe, #bfdbfe); 
    color: #2563eb; 
}

.feature-icon.green { 
    background: linear-gradient(135deg, #dcfce7, #bbf7d0); 
    color: #16a34a; 
}

.feature-icon.purple { 
    background: linear-gradient(135deg, #f3e8ff, #e9d5ff); 
    color: #9333ea; 
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Instructions */
.instructions {
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #f3f4f6;
    padding: 48px;
    margin-bottom: 48px;
}

.instructions h2 {
    font-size: 28px;
    font-weight: bold;
    color: #1f2937;
    text-align: center;
    margin-bottom: 32px;
}

.steps-container {
    margin-bottom: 32px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
    border-radius: 16px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.step:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.step-number {
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    color: white;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 2px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.step-content h3 {
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
    font-size: 18px;
}

.step-content p {
    color: #6b7280;
    line-height: 1.6;
}

.tutorial-cta {
    text-align: center;
    margin-top: 32px;
}

.tutorial-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #92400e;
    padding: 16px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
}

.tutorial-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.4);
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

/* CTA Section */
.cta {
    text-align: center;
}

.cta-box {
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    border-radius: 20px;
    padding: 48px;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
}

.cta h2 {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 24px;
    font-size: 18px;
    position: relative;
    z-index: 1;
}

.cta-button {
    background: white;
    color: #2563eb;
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
    border-top: 1px solid #e5e7eb;
    padding: 32px 0;
    margin-top: 64px;
    text-align: center;
}

.footer-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.footer-logo-link:hover {
    transform: translateY(-1px);
}

.footer-logo-icon {
    padding: 6px;
    border-radius: 6px;
    color: white;
    font-size: 20px;
}

.footer-logo-text {
    font-size: 18px;
    font-weight: bold;
    color: #1f2937;
}

.footer p {
    color: #6b7280;
    margin-bottom: 8px;
}

.footer .copyright {
    font-size: 14px;
    color: #9ca3af;
}

/* Tutorial Page Styles */
.back-button {
    margin-bottom: 32px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.back-link:hover {
    color: #1d4ed8;
    transform: translateX(-4px);
}

.tutorial-header {
    text-align: center;
    margin-bottom: 48px;
}

.tutorial-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: white;
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.3);
}

.tutorial-header h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 16px;
}

.tutorial-header p {
    font-size: 20px;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

.important-notice {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 1px solid #f59e0b;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 32px;
}

.notice-content {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.notice-content i {
    color: #d97706;
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.notice-content h3 {
    font-weight: 600;
    color: #92400e;
    margin-bottom: 8px;
}

.notice-content p {
    color: #a16207;
    line-height: 1.6;
}

.tutorial-steps {
    margin-bottom: 48px;
}

.tutorial-step {
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #f3f4f6;
    margin-bottom: 32px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.tutorial-step:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.step-header {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 32px;
}

.step-number-large {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.step-title h2 {
    font-size: 24px;
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 8px;
}

.step-title p {
    color: #6b7280;
    font-size: 16px;
    line-height: 1.6;
}

.step-image {
    padding: 0 32px;
    margin-bottom: 24px;
}

.step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.step-details {
    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
    padding: 24px 32px 32px;
}

.step-details h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
}

.step-details h3 i {
    color: #10b981;
}

.step-details ul {
    list-style: none;
    padding: 0;
}

.step-details li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    color: #4b5563;
    line-height: 1.6;
}

.step-details li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #2563eb;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 8px;
}

.success-completion {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border: 1px solid #bbf7d0;
    border-radius: 20px;
    padding: 48px;
    text-align: center;
    margin-bottom: 32px;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.1);
}

.completion-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: white;
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.3);
}

.success-completion h2 {
    font-size: 28px;
    font-weight: bold;
    color: #166534;
    margin-bottom: 16px;
}

.success-completion p {
    color: #15803d;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.completion-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.completion-button {
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.completion-button.primary {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.completion-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.completion-button.secondary {
    background: white;
    color: #10b981;
    border: 2px solid #10b981;
}

.completion-button.secondary:hover {
    background: #f0fdf4;
    transform: translateY(-2px);
}

.additional-tips {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border: 1px solid #93c5fd;
    border-radius: 20px;
    padding: 32px;
    margin-bottom: 32px;
}

.additional-tips h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: bold;
    color: #1e40af;
    margin-bottom: 24px;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.tip-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #e0e7ff;
    box-shadow: 0 2px 10px rgba(59, 130, 246, 0.1);
}

.tip-card h4 {
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 8px;
}

.tip-card p {
    color: #3730a3;
    font-size: 14px;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 12px;
    }

    .instructions {
        padding: 24px;
    }

    .cta-box {
        padding: 32px 24px;
    }

    .step {
        padding: 16px;
    }

    .feature-card {
        padding: 24px;
    }

    .step-header {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
    }

    .step-image {
        padding: 0 24px;
    }

    .step-details {
        padding: 24px;
    }

    .tutorial-header h1 {
        font-size: 2rem;
    }

    .completion-buttons {
        flex-direction: column;
        align-items: center;
    }

    .completion-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .main {
        padding: 32px 0;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .success-message {
        padding: 24px;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .instructions h2 {
        font-size: 24px;
    }

    .cta h2 {
        font-size: 24px;
    }
}