/* CSS Variables for Theming */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --text-primary: #333;
    --text-secondary: #555;
    --text-muted: #666;
    --border-color: #e0e0e0;
    --accent-color: #667eea;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --info-bg: #f0f7ff;
    --info-border: #1EAEDB;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
}

/* Dark Theme */
body[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #909090;
    --border-color: #404040;
    --accent-color: #8b9dff;
    --info-bg: #1e2a3a;
    --info-border: #3a8fb7;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
}

/* Custom Theme */
body[data-theme="custom"] {
    --bg-primary: #f5f5dc;
    --bg-secondary: #fffacd;
    --text-primary: #2c2c2c;
    --text-secondary: #4a4a4a;
    --text-muted: #6a6a6a;
    --border-color: #d4d4aa;
    --accent-color: #8b7355;
    --info-bg: #fffef0;
    --info-border: #bdb76b;
}

/* Font Options */
body[data-font="monospace"] {
    font-family: 'Courier New', 'Consolas', 'Monaco', monospace;
}

body[data-font="sans-serif"] {
    font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body[data-font="system"] {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.header {
    margin-top: 2em;
    text-align: center;
    padding: 2em 1em;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.header h1 {
    margin-bottom: 0.5em;
    font-weight: 600;
}

.header p {
    margin: 0.5em auto;
    max-width: 600px;
    opacity: 0.95;
}

.header img {
    margin-top: 1em;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.configure {
    text-align: center;
    margin-top: 30px;
    padding: 2em;
    background: var(--bg-primary);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.configure h1 {
    color: var(--text-primary);
    margin-bottom: 0.5em;
}

.info-box {
    background: var(--info-bg);
    border-left: 4px solid var(--info-border);
    padding: 1em;
    margin: 1.5em auto;
    border-radius: 4px;
    max-width: 600px;
    text-align: left;
}

.info-box h3 {
    margin-top: 0;
    color: var(--info-border);
    font-size: 1.1em;
}

.info-box p {
    margin: 0.5em 0;
    font-size: 0.95em;
}

.info-box ul {
    margin: 0.5em 0;
    padding-left: 1.5em;
}

.info-box li {
    margin: 0.3em 0;
}

.form-section {
    margin: 2em 0;
    padding: 1.5em;
    background: var(--bg-secondary);
    border-radius: 6px;
}

.form-section > p {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1em;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
    justify-content: center;
}

.hidden,
input.hidden{
    display: none;
    visibility: hidden;
}

#with-numbers:checked + .label-with-numbers,
#with-lower:checked + .label-with-lower,
#with-upper:checked + .label-with-upper,
#with-symbols:checked + .label-with-symbols,
#with-space:checked + .label-with-space,
#with-other:checked + .label-with-other
{
    color: #FFF;
    background-color: #33C3F0;
    border-color: #33C3F0;
    box-shadow: 0 2px 4px rgba(51, 195, 240, 0.3);
}

.button {
    transition: all 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

input[type="submit"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    padding: 12px 40px;
    font-size: 1.1em;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    vertical-align: middle;
    line-height: normal;
    display: inline-block;
}

input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

input[type="text"],
input[type="number"],
select {
    border: 2px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5em;
    transition: border-color 0.2s;
    background: var(--bg-primary);
    color: var(--text-primary);
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--accent-color);
}

label {
    color: var(--text-secondary);
    font-weight: 500;
}

.tooltip{
    display: inline-block;
    position: relative;
}

.tooltip:hover:after{
    background: #333;
    background: rgba(0,0,0,.8);
    border-radius: 5px;
    bottom: 46px;
    color: #fff;
    content: attr(title);
    text-transform: none;
    left: 20%;
    padding: 5px 15px;
    position: absolute;
    z-index: 98;
    width: 220px;
}

.tooltip:hover:before{
    border: solid;
    border-color: #333 transparent;
    border-width: 6px 6px 0 6px;
    bottom: 40px;
    content: "";
    left: 50%;
    position: absolute;
    z-index: 99;
}

.footer-links {
    margin-top: 2em;
    padding-top: 1em;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

.footer-links a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* New Feature Styles */
.settings-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 1em;
    justify-content: center;
    margin: 1.5em 0;
    padding: 1em;
    background: var(--bg-secondary);
    border-radius: 6px;
}

.settings-toolbar button {
    padding: 8px 16px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.2s ease;
}

.settings-toolbar button:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.password-example-box {
    background: var(--bg-secondary);
    border: 2px solid var(--accent-color);
    border-radius: 6px;
    padding: 1em;
    margin: 1em auto;
    max-width: 500px;
    text-align: center;
}

.password-example-box h4 {
    margin: 0 0 0.5em 0;
    color: var(--text-primary);
}

#password-example {
    font-family: 'Courier New', monospace;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--accent-color);
    padding: 0.5em;
    background: var(--bg-primary);
    border-radius: 4px;
    word-break: break-all;
}

.audit-panel {
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    border-radius: 6px;
    padding: 1.5em;
    margin: 1.5em auto;
    max-width: 700px;
    text-align: left;
    display: none;
}

.audit-panel h3 {
    color: var(--info-border);
    margin-top: 0;
}

.audit-panel ul {
    list-style: none;
    padding: 0;
}

.audit-panel li {
    margin: 0.5em 0;
    padding: 0.5em;
    background: var(--bg-primary);
    border-radius: 4px;
}

.audit-panel a {
    color: var(--accent-color);
    text-decoration: none;
}

.audit-panel a:hover {
    text-decoration: underline;
}

.batch-options {
    background: var(--bg-secondary);
    border-radius: 6px;
    padding: 1.5em;
    margin: 1em 0;
    display: none;
}

.batch-card-list {
    margin: 1em 0;
}

.batch-card-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0.5em 0;
    padding: 0.5em;
    background: var(--bg-primary);
    border-radius: 4px;
    flex-wrap: wrap;
}

.accessibility-features {
    position: relative;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible styles for better keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Hidden file input */
#import-settings-file {
    display: none;
}

/* Modal Styles */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: 2em;
    border-radius: 8px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.modal-close {
    color: var(--text-muted);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.modal-close:hover,
.modal-close:focus {
    color: var(--text-primary);
}

.modal-content h2 {
    color: var(--text-primary);
    margin-top: 0;
}

/* Theme Selector at Bottom */
.theme-selector-bottom {
    margin-top: 3em;
    padding: 1.5em;
    background: var(--bg-secondary);
    border-radius: 6px;
    text-align: center;
    border-top: 2px solid var(--border-color);
}

.theme-selector-bottom label {
    font-weight: 600;
    color: var(--text-primary);
}

.theme-selector-bottom select {
    margin: 0 0.5em;
    padding: 0.5em;
    border-radius: 4px;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
}

@media (max-width: 550px) {
    .header {
        margin-top: 1em;
        padding: 1.5em 0.5em;
    }
    
    .configure {
        padding: 1em;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .settings-toolbar {
        flex-direction: column;
    }
    
    .batch-card-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .batch-card-item input,
    .batch-card-item button {
        width: 100%;
        margin: 5px 0 !important;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 1.5em;
    }
    
    .theme-selector-bottom {
        padding: 1em;
    }
    
    .theme-selector-bottom select {
        display: block;
        width: 100%;
        margin: 0.5em 0;
    }
}