/* =========================================
   UPDATED CSS for Categorized Options
   ========================================= */

:root {
    --bg-color: #1a1a1d;
    --card-bg: #25252a;
    --text-color: #e0e0e0;
    --primary-color: #72ff72; /* Khanware Green */
    --secondary-color: #c3073f; /* A contrasting accent */
    --input-bg: #333;
    --input-border: #444;
    --button-bg: var(--primary-color);
    --button-text: #000;
    --button-hover-bg: #62e062;
    --font-family: 'Poppins', sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    --category-bg: rgba(0, 0, 0, 0.15); /* Background for categories */
    --category-border: #3a3a3f; /* Border for categories */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Align to top for long content */
    min-height: 100vh;
    padding: 20px;
    font-size: 16px;
}

.container {
    background-color: var(--card-bg);
    padding: 30px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 30px; /* Spacing between main sections */
}

header {
    text-align: center;
    border-bottom: 1px solid var(--input-border);
    padding-bottom: 20px;
    margin-bottom: 10px; /* Adjusted spacing */
}

header h1 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-weight: 600;
}

.subtitle {
    font-size: 0.9em;
    color: #aaa;
}

.subtitle a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.subtitle a:hover {
    color: var(--button-hover-bg);
}

main {
    display: flex;
    flex-direction: column;
    gap: 25px; /* Spacing between sections within main */
}

.editor-section label,
.output-header label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-color);
}

textarea {
    width: 100%;
    min-height: 200px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    padding: 15px;
    border-radius: var(--border-radius);
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
    font-size: 0.95em;
    resize: vertical;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(114, 255, 114, 0.2);
}

textarea::placeholder {
    color: #777;
}

/* --- Options Section START --- */

.options-section {
    /* Removed background, padding, direct border here */
    /* It's now just a container */
}

.options-main-title { /* Style for the main "Obfuscation Options" H2 */
    text-align: center;
    margin-bottom: 25px;
    font-weight: 600;
    font-size: 1.4em; /* Slightly larger title */
    color: var(--primary-color);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--input-border);
}

/* Styles for Preset/Target Group */
.basic-options {
    display: flex;
    gap: 25px; /* Increased gap */
    margin-bottom: 30px; /* Space before checkbox categories */
    flex-wrap: wrap; /* Allow wrapping */
    background-color: var(--category-bg);
    padding: 20px; /* More padding */
    border-radius: var(--border-radius);
    border: 1px solid var(--category-border);
}

.basic-options > div { /* Target each select+label pair */
    flex: 1; /* Allow them to grow */
    min-width: 220px; /* Adjusted minimum width */
    display: flex;
    flex-direction: column; /* Stack label above select */
}

.basic-options label {
    margin-bottom: 8px; /* Space between label and select */
    font-weight: 600;
    font-size: 0.9em;
    color: var(--text-color);
}

.basic-options select {
     width: 100%; /* Make selects fill their container */
     padding: 10px 12px; /* Slightly larger padding */
     background-color: var(--input-bg);
     border: 1px solid var(--input-border);
     color: var(--text-color);
     border-radius: calc(var(--border-radius) - 2px); /* Slightly smaller radius for inner element */
     font-family: var(--font-family);
     cursor: pointer;
     font-size: 0.95em;
     transition: border-color 0.3s ease, box-shadow 0.3s ease; /* Add transition */
}
.basic-options select:focus {
     outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(114, 255, 114, 0.2);
}


/* Wrapper for all checkbox categories */
.option-categories {
    display: flex;
    flex-direction: column;
    gap: 25px; /* Space between categories */
}

/* Individual category block */
.option-category {
    background-color: var(--category-bg);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--category-border);
    box-shadow: 0 3px 8px rgba(0,0,0, 0.25); /* Slightly more prominent shadow */
}

.option-category h3 {
    margin: -20px -20px 20px -20px; /* Pull header to edges, add bottom margin */
    padding: 12px 20px; /* Adjust padding */
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.06); /* Slightly different header background */
    border-bottom: 1px solid var(--category-border);
    border-radius: var(--border-radius) var(--border-radius) 0 0; /* Top corners rounded */
}

/* Grid for checkboxes within a category */
.option-category-grid {
    display: grid;
    /* More robust auto-fit */
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px 15px; /* Row and column gap */
}

/* Checkbox Label Styles */
.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9em;
    background-color: var(--input-bg); /* Use input background */
    padding: 8px 12px; /* Adjusted padding */
    border-radius: 5px; /* Smaller radius */
    transition: background-color 0.2s ease, border-color 0.2s ease;
    border: 1px solid transparent; /* Start with transparent border */
    color: var(--text-color); /* Ensure text color is set */
}

.checkbox-label:hover {
    background-color: #3f3f44; /* Hover background */
    border-color: #555; /* Show border on hover */
}

.checkbox-label input[type="checkbox"] {
    margin-right: 10px; /* More space next to checkbox */
    accent-color: var(--primary-color); /* Checkbox color */
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0; /* Prevent shrinking if label text is long */
}

/* --- Options Section END --- */


.action-section {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 15px 0; /* Slightly more vertical margin */
}

button {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 12px 25px;
    font-size: 1.05em; /* Slightly larger button text */
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease, box-shadow 0.2s ease; /* Added shadow transition */
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
}

button:hover {
    background-color: var(--button-hover-bg);
    transform: translateY(-2px); /* More lift on hover */
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3); /* Enhanced shadow on hover */
}

button:active {
    transform: translateY(0px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2); /* Active state shadow */
}

button:disabled {
    background-color: #555;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    color: #999;
}

#copyBtn {
    background-color: var(--secondary-color);
    color: white;
    padding: 5px 15px;
    font-size: 0.8em;
    box-shadow: none;
}
#copyBtn:hover {
     background-color: #a30630;
     transform: translateY(-1px); /* Add slight lift */
}
#copyBtn:active {
     transform: translateY(0px);
}


.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.output-section textarea {
    min-height: 250px;
    background-color: #111; /* Keep darker for output */
    border-color: #333; /* Slightly lighter border for output area */
}

.status-message {
    margin-top: 15px; /* More space for status */
    min-height: 1.2em; /* Reserve space to prevent layout shifts */
    font-size: 0.9em;
    text-align: center;
    transition: color 0.3s ease; /* Smooth color change */
}

.status-message.error {
    color: #ff6b6b; /* Error red */
    font-weight: 600;
}

.status-message.success {
     color: var(--primary-color);
     font-weight: 600;
}

/* Loading Indicator */
.loading {
    display: flex; /* Kept flex, already aligned by action-section */
    /* height: 20px; Remove fixed height if it causes issues */
}

.loading span {
    display: inline-block;
    width: 8px;
    height: 8px;
    margin: 0 3px;
    background-color: var(--primary-color);
    border-radius: 50%;
    animation: loadingBounce 1.4s infinite ease-in-out both;
}

.loading span:nth-child(1) { animation-delay: -0.32s; }
.loading span:nth-child(2) { animation-delay: -0.16s; }

@keyframes loadingBounce {
    0%, 80%, 100% { transform: scale(0); opacity: 0; } /* Fade out too */
    40% { transform: scale(1.0); opacity: 1; }
}


footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--input-border);
    font-size: 0.8em;
    color: #888;
}

/* --- Responsive Adjustments --- */

@media (max-width: 768px) {
    body {
        padding: 15px; /* Adjust padding */
    }
    .container {
        padding: 20px 25px; /* Adjust padding */
    }
    .basic-options {
        flex-direction: column; /* Stack preset/target */
        gap: 15px;
        margin-bottom: 25px;
    }
     .basic-options > div {
        min-width: 0; /* Reset min-width */
     }
     .option-category-grid {
        /* Ensure they fit */
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
     .option-category {
        padding: 15px;
     }
     .option-category h3 {
        margin: -15px -15px 15px -15px; /* Adjust negative margin */
        padding: 10px 15px; /* Adjust padding */
        font-size: 1.05em;
     }
     textarea {
        min-height: 180px; /* Adjust height */
    }
    .output-section textarea {
        min-height: 220px; /* Adjust height */
    }
}

@media (max-width: 480px) {
     header h1 {
        font-size: 1.8em;
     }
    .container {
        padding: 15px;
    }
     .option-category-grid {
         /* Stack checkboxes */
        grid-template-columns: 1fr;
         gap: 10px;
    }
     .checkbox-label {
        font-size: 0.9em; /* Keep readable */
        padding: 10px 12px; /* Slightly larger tap target */
     }
     .options-main-title {
        font-size: 1.2em;
        margin-bottom: 20px;
     }
     .basic-options {
         padding: 15px;
     }
     .basic-options label {
         font-size: 0.85em;
     }
     .basic-options select {
         font-size: 0.9em;
         padding: 8px 10px;
     }
      button {
        padding: 10px 20px;
        font-size: 1em;
     }
     #copyBtn {
        padding: 4px 12px;
        font-size: 0.75em;
     }
     .action-section {
        flex-direction: column; /* Stack button and loader */
        gap: 15px;
     }
}