/*
 * O.Translator Tools - Base Styles (V13 Theme-Aware)
 * ---------------------------------------------------------
 */

/* 1. Global Styles (Light Theme Default) */
body {
    background-color: #F9FAFB; /* gray-50 */
    font-family: 'Inter', sans-serif;
    color: #1F2937; /* gray-800 */
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* 2. Content Section Components (Light Theme) */
.content-section {
    max-width: 64rem; /* 1024px */
    margin-left: auto;
    margin-right: auto;
    margin-top: 4rem; /* 64px */
    background-color: #ffffff;
    border: 1px solid #E5E7EB; /* gray-200 */
    border-radius: 1rem; /* 16px */
    padding: 2.5rem; /* 40px */
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.section-title {
    font-size: 2.25rem; /* 36px */
    line-height: 2.5rem; /* 40px */
    font-weight: 700;
    color: #111827; /* gray-900 */
    text-align: center;
    margin-bottom: 3rem; /* 48px */
}

.feature-card { /* For "How to Use" */
    background-color: #F9FAFB; /* gray-50 */
    border: 1px solid #E5E7EB; /* gray-200 */
    border-radius: 0.75rem; /* 12px */
    padding: 1.5rem; /* 24px */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 4rem; /* 64px */
    width: 4rem; /* 64px */
    border-radius: 9999px;
    background-color: #DBEAFE; /* blue-100 */
    color: #1E40AF; /* blue-800 */
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 1.5rem; /* 24px */
    font-weight: 700;
    font-size: 1.5rem; /* 24px */
    line-height: 2rem; /* 32px */
    border: 2px solid #93C5FD; /* blue-300 */
}
.feature-title {
    font-size: 1.125rem; /* 18px */
    line-height: 1.75rem; /* 28px */
    font-weight: 600;
    color: #111827; /* gray-900 */
    margin-bottom: 0.5rem; /* 8px */
}
.feature-description {
    font-size: 0.875rem; /* 14px */
    line-height: 1.25rem; /* 20px */
    color: #4B5563; /* gray-600 */
}

.feature-highlight-card { /* For "Why Choose Us" */
    display: flex;
    align-items: flex-start;
    padding: 1.5rem; /* 24px */
    background-color: transparent;
    border-radius: 0.75rem;
}
.feature-highlight-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 3rem; /* 48px */
    width: 3rem; /* 48px */
    border-radius: 9999px;
    background-color: #D1FAE5; /* green-100 */
    color: #065F46; /* green-800 */
    border: 1px solid #6EE7B7; /* green-300 */
}
.feature-highlight-title {
    font-size: 1.125rem; /* 18px */
    line-height: 1.75rem; /* 28px */
    font-weight: 700;
    color: #111827; /* gray-900 */
}
.feature-highlight-description {
    margin-top: 0.5rem; /* 8px */
    font-size: 1rem; /* 16px */
    line-height: 1.5rem; /* 24px */
    color: #374151; /* gray-700 */
}

.faq-item details {
    background-color: #F9FAFB; /* gray-50 */
    border: 1px solid #E5E7EB; /* gray-200 */
    border-radius: 0.5rem; /* 8px */
    margin-bottom: 1rem;
}
.faq-question {
    padding: 1rem; /* 16px */
    font-weight: 600;
    cursor: pointer;
    list-style-type: none;
    display: flex;
    justify-content: space-between;
    color: #111827; /* gray-900 */
}
.faq-answer {
    padding: 1rem; /* 16px */
    border-top: 1px solid #E5E7EB; /* gray-200 */
    color: #374151; /* gray-700 */
}

.link-card {
    display: block;
    background-color: #F9FAFB; /* gray-50 */
    border: 1px solid #E5E7EB; /* gray-200 */
    border-radius: 0.75rem; /* 12px */
    padding: 1.5rem; /* 24px */
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border-color: #93C5FD; /* blue-300 */
}
.link-card-title {
    font-weight: 700;
    color: #2563EB; /* blue-600 */
}
.link-card:hover .link-card-title {
    color: #1D4ED8; /* blue-700 */
}
.link-card-description {
    font-size: 0.875rem; /* 14px */
    line-height: 1.25rem; /* 20px */
    color: #4B5563; /* gray-600 */
    margin-top: 0.5rem; /* 8px */
}

/*
 * Tool-Specific Styles
 * -----------------------------------------
 */

.upload-area {
    border: 2px dashed #D1D5DB; /* gray-300 */
    background-color: #F9FAFB; /* gray-50 */
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.upload-area.drag-over {
    border-color: #3B82F6; /* blue-500 */
    background-color: #EFF6FF; /* blue-50 */
}

.file-item {
    background-color: #FFFFFF;
    border: 1px solid #E5E7EB; /* gray-200 */
    transition: background-color 0.3s ease;
}

.file-item:hover {
    background-color: #F9FAFB; /* gray-50 */
}

.file-item-name {
    color: #1F2937; /* gray-800 */
}

.remove-btn {
    color: #6B7280; /* gray-500 */
    transition: color 0.3s ease;
}

.remove-btn:hover {
    color: #EF4444; /* red-500 */
}

.action-btn {
    background-color: #2563EB; /* blue-600 */
    color: white;
    font-weight: 600;
    transition: background-color 0.3s ease;
    border: 1px solid transparent;
}

.action-btn:hover {
    background-color: #1D4ED8; /* blue-700 */
}

.action-btn:disabled {
    background-color: #E5E7EB; /* gray-200 */
    color: #9CA3AF; /* gray-400 */
    cursor: not-allowed;
    border-color: transparent;
}

#status-message {
    transition: opacity 0.5s ease-in-out;
}


/*
 * Dark Theme Overrides (Media Query)
 * -----------------------------------------
 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #0D1117;
        color: #C9D1D9;
    }

    .content-section {
        background: linear-gradient(145deg, rgba(22, 27, 34, 0.6), rgba(13, 17, 23, 0.4));
        border-color: #30363d;
        box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    }

    .section-title {
        color: #ffffff;
        text-shadow: 0 0 8px rgba(52, 152, 219, 0.5);
    }

    .feature-card {
        background-color: rgba(34, 41, 51, 0.5);
        border-color: #30363d;
    }

    .feature-card:hover {
        box-shadow: 0 8px 25px rgba(48, 168, 255, 0.15);
        border-color: #30a8ff;
    }

    .feature-icon {
        background-color: rgba(30, 58, 138, 0.5);
        color: #93c5fd;
        border-color: #1d4ed8;
    }
    .feature-title {
        color: #ffffff;
    }
    .feature-description {
        color: #9ca3af;
    }

    .feature-highlight-icon {
        background-color: rgba(20, 83, 45, 0.5);
        color: #4ade80;
        border-color: #15803d;
    }
    .feature-highlight-title {
        color: #ffffff;
    }
    .feature-highlight-description {
        color: #9ca3af;
    }

    .faq-item details {
        background-color: rgba(34, 41, 51, 0.5);
        border-color: #30363d;
    }
    .faq-question {
        color: #ffffff;
    }
    .faq-answer {
        border-color: #374151;
        color: #9ca3af;
    }

    .link-card {
        background-color: rgba(34, 41, 51, 0.5);
        border-color: #30363d;
    }
    .link-card:hover {
        box-shadow: 0 8px 25px rgba(48, 168, 255, 0.15);
        border-color: #30a8ff;
    }
    .link-card-title {
        color: #60a5fa;
    }
    .link-card:hover .link-card-title {
        color: #93c5fd;
    }
    .link-card-description {
        color: #9ca3af;
    }

    /* Tool-specific dark styles */
    .upload-area {
        border-color: #30363d;
        background-color: rgba(13, 17, 23, 0.5);
    }
    .upload-area.drag-over {
        border-color: #30a8ff;
        background-color: rgba(48, 168, 255, 0.1);
    }
    .file-item {
        background-color: #161b22;
        border-color: #30363d;
    }
    .file-item:hover {
        background-color: #1f242c;
    }
    .file-item-name {
        color: #C9D1D9; /* Light gray for text */
    }
    .remove-btn {
        color: #8b949e;
    }
    .remove-btn:hover {
        color: #f87171;
    }
    .action-btn {
        background-color: #238636;
        border-color: #2ea043;
        box-shadow: 0 1px 0 rgba(27, 31, 35, 0.1);
    }
    .action-btn:hover {
        background-color: #2ea043;
    }
    .action-btn:disabled {
        background-color: #21262d;
        color: #8b949e;
        border-color: #30363d;
    }
}

/*
 * Dark Theme Overrides (Class-based for embedding)
 * -------------------------------------------------
 * These are duplicates of the media query overrides, but triggered by a `.dark` class on a parent.
 */

.dark body {
    background-color: #0D1117;
    color: #C9D1D9;
}

.dark .content-section {
    background: linear-gradient(145deg, rgba(22, 27, 34, 0.6), rgba(13, 17, 23, 0.4));
    border-color: #30363d;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
}

.dark .section-title {
    color: #ffffff;
    text-shadow: 0 0 8px rgba(52, 152, 219, 0.5);
}

.dark .feature-card {
    background-color: rgba(34, 41, 51, 0.5);
    border-color: #30363d;
}

.dark .feature-card:hover {
    box-shadow: 0 8px 25px rgba(48, 168, 255, 0.15);
    border-color: #30a8ff;
}

.dark .feature-icon {
    background-color: rgba(30, 58, 138, 0.5);
    color: #93c5fd;
    border-color: #1d4ed8;
}
.dark .feature-title {
    color: #ffffff;
}
.dark .feature-description {
    color: #9ca3af;
}

.dark .feature-highlight-icon {
    background-color: rgba(20, 83, 45, 0.5);
    color: #4ade80;
    border-color: #15803d;
}
.dark .feature-highlight-title {
    color: #ffffff;
}
.dark .feature-highlight-description {
    color: #9ca3af;
}

.dark .faq-item details {
    background-color: rgba(34, 41, 51, 0.5);
    border-color: #30363d;
}
.dark .faq-question {
    color: #ffffff;
}
.dark .faq-answer {
    border-color: #374151;
    color: #9ca3af;
}

.dark .link-card {
    background-color: rgba(34, 41, 51, 0.5);
    border-color: #30363d;
}
.dark .link-card:hover {
    box-shadow: 0 8px 25px rgba(48, 168, 255, 0.15);
    border-color: #30a8ff;
}
.dark .link-card-title {
    color: #60a5fa;
}
.dark .link-card:hover .link-card-title {
    color: #93c5fd;
}
.dark .link-card-description {
    color: #9ca3af;
}

/* Tool-specific dark styles */
.dark .upload-area {
    border-color: #30363d;
    background-color: rgba(13, 17, 23, 0.5);
}
.dark .upload-area.drag-over {
    border-color: #30a8ff;
    background-color: rgba(48, 168, 255, 0.1);
}
.dark .file-item {
    background-color: #161b22;
    border-color: #30363d;
}
.dark .file-item:hover {
    background-color: #1f242c;
}
.dark .file-item-name {
    color: #C9D1D9;
}
.dark .remove-btn {
    color: #8b949e;
}
.dark .remove-btn:hover {
    color: #f87171;
}
.dark .action-btn {
    background-color: #238636;
    border-color: #2ea043;
    box-shadow: 0 1px 0 rgba(27, 31, 35, 0.1);
}
.dark .action-btn:hover {
    background-color: #2ea043;
}
.dark .action-btn:disabled {
    background-color: #21262d;
    color: #8b949e;
    border-color: #30363d;
}