* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f5f5;
    color: #000;
    line-height: 1.4;
    min-height: 100vh;
    font-size: 14px;
    padding: 20px;
}

.container {
    max-width: 850px;
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

header {
    padding: 24px;
    border-bottom: 1px solid #eee;
}

header h1 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

header p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}


/* Input area */
.input-group {
    padding: 16px 24px;
    display: flex;
    gap: 12px;
    align-items: center;
}

#url-input {
    flex: 1;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fff;
    outline: none;
    min-width: 200px;
}

#url-input:focus {
    border-color: #333;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.05);
}

#submit-btn {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    background: #333;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

#submit-btn:hover:not(:disabled) {
    background: #555;
}

#submit-btn:disabled {
    background: #999;
    cursor: not-allowed;
}

.hidden {
    display: none !important;
}

#progress-container {
    margin: 0 24px 24px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 6px;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #eee;
    border-radius: 4px;
    margin-bottom: 12px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: #333;
    transition: width 0.3s ease;
    width: 0%;
    border-radius: 4px;
}

#progress-text {
    color: #666;
    font-size: 14px;
}

#result-container {
    margin: 0 24px 24px;
    border: 1px solid #eee;
    border-radius: 6px;
    overflow: hidden;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #f9f9f9;
    border-bottom: 1px solid #eee;
}

.result-header h2 {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    flex: 1;
    margin-right: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-btn {
    padding: 8px 16px;
    font-size: 14px;
    background: #fff;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.download-btn:hover {
    background: #f5f5f5;
    border-color: #333;
}

.save-dropdown,
.font-dropdown {
    position: relative;
}

.save-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 100;
    min-width: 140px;
    overflow: hidden;
}

.save-menu.show {
    display: block;
}

.save-option {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    text-align: left;
    background: #fff;
    border: none;
    cursor: pointer;
}

.save-option:hover {
    background: #f5f5f5;
}

.font-combo {
    display: flex;
    cursor: pointer;
    border: 1px solid #ddd;
    border-radius: 6px;
    overflow: hidden;
}

.font-value {
    padding: 6px 12px;
    font-size: 14px;
    background: #fff;
    min-width: 130px;
}

.font-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    background: #f5f5f5;
    border-left: 1px solid #ddd;
}

.font-arrow::after {
    content: '';
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #666;
}

.font-combo:hover {
    border-color: #333;
}

.font-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 100;
    min-width: 180px;
    max-height: 200px;
    overflow-y: auto;
}

.font-menu.show {
    display: block;
}

.font-option {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    text-align: left;
    background: #fff;
    border: none;
    cursor: pointer;
}

.font-option:hover {
    background: #f5f5f5;
}

.font-option.selected {
    background: #333;
    color: #fff;
}

.download-btn:disabled {
    opacity: 0.6;
    cursor: wait;
}

/* Viewer toolbar with font and zoom */
.viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #f9f9f9;
    border-bottom: 1px solid #eee;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.zoom-btn {
    width: 32px;
    height: 32px;
    font-size: 18px;
    font-weight: 500;
    background: #fff;
    color: #333;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.zoom-btn:hover {
    background: #f5f5f5;
    border-color: #333;
}

#zoom-level {
    padding: 6px 12px;
    font-size: 14px;
    background: #fff;
    min-width: 60px;
    text-align: center;
    border: 1px solid #ddd;
    border-radius: 6px;
}


#markdown-viewer {
    flex: 1;
    padding: 24px;
    max-height: 60vh;
    overflow-y: auto;
    background: #fff;
    font-family: "Times New Roman", Times, serif;
    font-size: 12pt;
    line-height: 1.6;
}

#markdown-viewer h1 {
    font-family: inherit;
    font-size: 20pt;
    font-weight: bold;
    margin-bottom: 16px;
    color: #333;
}

#markdown-viewer h2 {
    font-family: inherit;
    font-size: 16pt;
    font-weight: bold;
    margin-top: 24px;
    margin-bottom: 12px;
    color: #333;
}

#markdown-viewer h3 {
    font-family: inherit;
    font-size: 13pt;
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 8px;
    color: #555;
}

#markdown-viewer p {
    margin-bottom: 16px;
    color: #333;
}

#markdown-viewer ul, #markdown-viewer ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

#markdown-viewer li {
    margin-bottom: 6px;
}

#markdown-viewer hr {
    border: none;
    border-top: 1px solid #eee;
    margin: 24px 0;
}

#markdown-viewer a {
    color: #0066cc;
    text-decoration: underline;
}

#markdown-viewer img {
    max-width: 300px;
    height: auto;
    display: block;
    margin: 0 auto 20px auto;
    border-radius: 8px;
}

/* RTL support for Hebrew/Arabic */
#markdown-viewer[dir="rtl"] {
    direction: rtl !important;
    text-align: right !important;
}

#markdown-viewer[dir="rtl"] ul,
#markdown-viewer[dir="rtl"] ol {
    padding-left: 0 !important;
    padding-right: 24px !important;
}

#markdown-viewer[dir="rtl"] p,
#markdown-viewer[dir="rtl"] h1,
#markdown-viewer[dir="rtl"] h2,
#markdown-viewer[dir="rtl"] h3,
#markdown-viewer[dir="rtl"] li {
    text-align: right !important;
}

.result-header h2[dir="rtl"] {
    text-align: right !important;
}

#error-container {
    margin: 0 24px 24px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 6px;
    padding: 16px;
}

#error-text {
    color: #dc2626;
    font-size: 14px;
}

footer {
    text-align: center;
    padding: 16px;
    border-top: 1px solid #eee;
}

footer p {
    font-size: 13px;
    color: #666;
}

footer a {
    color: #333;
    text-decoration: underline;
}

/* Scrollbar */
#markdown-viewer::-webkit-scrollbar {
    width: 8px;
}

#markdown-viewer::-webkit-scrollbar-track {
    background: #f5f5f5;
}

#markdown-viewer::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 4px;
}

#markdown-viewer::-webkit-scrollbar-thumb:hover {
    background: #ccc;
}

@media (max-width: 600px) {
    body {
        padding: 12px;
    }

    header {
        padding: 20px;
    }

    .input-group {
        flex-direction: column;
        padding: 16px 20px;
    }

    #url-input {
        width: 100%;
    }

    #submit-btn {
        width: 100%;
    }

    .result-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .result-header h2 {
        white-space: normal;
    }

    .viewer-toolbar {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .save-dropdown {
        width: 100%;
    }

    .download-btn {
        width: 100%;
    }

    .save-menu {
        left: 0;
        right: 0;
    }

    #markdown-viewer {
        padding: 16px;
    }
}