/* AirPuff-inspired color scheme with modern enhancements */
:root {
    --airpuff-primary: #1e3a5f;
    --airpuff-secondary: #2d5aa0;
    --airpuff-accent: #ffd700;
    --airpuff-light: #e8f0f8;
    --airpuff-bg: #b3d9f2;
    --airpuff-text: #333;
    --airpuff-text-light: #666;
    --airpuff-border: #ddd;
    --airpuff-success: #28a745;
    --airpuff-error: #dc3545;
    --airpuff-shadow: rgba(30, 58, 95, 0.1);
    --airpuff-shadow-hover: rgba(30, 58, 95, 0.2);
}

/* 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;
    background-color: var(--airpuff-bg);
    color: var(--airpuff-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header-main {
    background: linear-gradient(135deg, var(--airpuff-primary) 0%, var(--airpuff-secondary) 100%);
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: 0 2px 10px var(--airpuff-shadow);
    border-bottom: 3px solid var(--airpuff-accent);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.header-title {
    font-size: 1.8rem;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    flex: 1;
}

/* Header navigation */
.header-nav {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.header-nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.75rem;
    min-width: 60px;
    height: auto;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

.header-nav-link:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--airpuff-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}


/* Main content */
.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.welcome-section {
    text-align: center;
    margin-bottom: 2rem;
}

.welcome-section h2 {
    color: var(--airpuff-primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.welcome-section p {
    color: var(--airpuff-text-light);
    font-size: 1rem;
}

/* Search section */
.search-section {
    background: var(--airpuff-accent);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 8px var(--airpuff-shadow);
    margin-bottom: 2rem;
    border: 2px solid rgba(30, 58, 95, 0.2);
}

.search-form {
    max-width: 600px;
    margin: 0 auto;
}

.search-label {
    display: block;
    font-weight: 600;
    color: var(--airpuff-primary);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.search-input-group {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 0.5rem;
}

.n-prefix {
    background-color: var(--airpuff-primary);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 6px 0 0 6px;
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid var(--airpuff-primary);
    border-right: none;
}

.search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #d4e6f7 0%, #ffffff 100%);
    border: 2px solid #a0c4e8;
    border-left: none;
    border-right: none;
    border-radius: 0;
    outline: none;
    transition: all 0.3s ease;
    color: var(--airpuff-primary);
    font-weight: 500;
}

.search-input::placeholder {
    color: #7a9bc0;
}

.search-input:focus {
    border-color: var(--airpuff-primary);
    background: white;
    box-shadow: inset 0 2px 4px rgba(30, 58, 95, 0.1);
}

.search-button {
    background-color: var(--airpuff-secondary);
    color: white;
    padding: 0.75rem 2rem;
    border: 2px solid var(--airpuff-secondary);
    border-radius: 0 6px 6px 0;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-button:hover {
    background-color: var(--airpuff-primary);
    border-color: var(--airpuff-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px var(--airpuff-shadow-hover);
}

.search-button:active {
    transform: translateY(0);
}

.search-hint {
    display: block;
    color: var(--airpuff-text-light);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Loading indicator */
.loading {
    text-align: center;
    padding: 2rem;
}

.loading.hidden {
    display: none;
}

.spinner {
    border: 4px solid var(--airpuff-light);
    border-top: 4px solid var(--airpuff-secondary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Result container */
.result-container {
    margin-bottom: 2rem;
}

.result-container.hidden {
    display: none;
}

.result-success {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 8px var(--airpuff-shadow);
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-error {
    background: #fff5f5;
    border: 2px solid var(--airpuff-error);
    border-radius: 8px;
    padding: 1.5rem;
    color: var(--airpuff-error);
    text-align: center;
}

.styled-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.styled-table th {
    background-color: var(--airpuff-light);
    color: var(--airpuff-primary);
    text-align: left;
    padding: 0.35rem 0.75rem;
    font-weight: 600;
    border-bottom: 2px solid var(--airpuff-primary);
    width: 35%;
    font-size: 0.9rem;
}

.styled-table td {
    padding: 0.35rem 0.75rem;
    border-bottom: 1px solid var(--airpuff-border);
    color: var(--airpuff-text);
    font-size: 0.9rem;
}

.styled-table tr:hover td {
    background-color: var(--airpuff-light);
}

.styled-table tr:last-child td {
    border-bottom: none;
}

/* Links section */
.links-section {
    text-align: center;
    margin-top: 2rem;
    padding: 1rem;
}

.link-docs {
    color: var(--airpuff-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.link-docs:hover {
    color: var(--airpuff-primary);
    text-decoration: underline;
}

.links-section small {
    color: var(--airpuff-text-light);
    display: block;
    margin-top: 0.5rem;
}

/* Footer */
.footer-main {
    background-color: var(--airpuff-primary);
    color: white;
    text-align: center;
    padding: 2rem 1.5rem;
    margin-top: auto;
    border-top: 3px solid var(--airpuff-accent);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.footer-link:hover {
    opacity: 0.8;
}

.footer-logo {
    height: 30px;
    width: auto;
    vertical-align: middle;
}

.footer-logo-small {
    height: 20px;
    width: auto;
    vertical-align: middle;
    margin-left: 0.5rem;
}

.footer-text-with-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    font-weight: 500;
}

.footer-logo-cloudpuff {
    height: 40px;
    width: auto;
    vertical-align: middle;
}

.footer-secondary {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Responsive design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .header-title {
        font-size: 1.4rem;
    }

    .header-nav {
        gap: 0.25rem;
    }

    .header-nav-link {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .search-section {
        padding: 1.5rem;
    }

    .search-input-group {
        flex-direction: column;
    }

    .n-prefix {
        border-radius: 6px 6px 0 0;
        border-right: 2px solid var(--airpuff-primary);
        border-bottom: none;
        width: 100%;
        text-align: center;
    }

    .search-input {
        border: 2px solid var(--airpuff-border);
        border-top: none;
        border-radius: 0;
        width: 100%;
    }

    .search-button {
        border-radius: 0 0 6px 6px;
        width: 100%;
        border: 2px solid var(--airpuff-secondary);
    }

    .styled-table {
        font-size: 0.9rem;
    }

    .styled-table th,
    .styled-table td {
        padding: 0.5rem;
    }
}