/* --- Root Variables & Base Styles --- */
:root {
    --primary-bg: #f4f4f9;
    --secondary-bg: #ffffff;
    --primary-text: #333;
    --secondary-text: #666;
    --placeholder-text: #aaa;
    --accent-color: #2c3e50;
    --accent-hover: #34495e;
    --error-color: #d9534f;
    --border-color: #ddd;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --header-shadow: rgba(0, 0, 0, 0.1);
    --edit-mode-glow: color-mix(in srgb, var(--accent-color) 35%, transparent);
}

body.dark-mode {
    --primary-bg: #121212;
    --secondary-bg: #1e1e1e;
    --primary-text: #e0e0e0;
    --secondary-text: #a0a0a0;
    --placeholder-text: #666;
    --error-color: #e57373;
    --border-color: #444;
    --shadow-color: rgba(255, 255, 255, 0.05);
    --header-shadow: rgba(0, 0, 0, 0.5);
    --edit-mode-glow: color-mix(in srgb, var(--accent-color) 45%, transparent);
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--primary-bg);
    color: var(--primary-text);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    padding: 2rem;
    min-height: 100vh;
}

/* --- Utility Classes --- */
.hidden { display: none !important; }

/* --- Top Controls --- */
.top-controls-wrapper {
    max-width: 800px;
    margin: 0 auto 1.5rem auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0 0.5rem;
}
.top-left-controls, .top-right-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 15px;
}

/* Buttons inside Top Controls */
#credits-btn, #theme-switcher { 

    background: var(--secondary-bg); border: 1px solid var(--border-color); color: var(--primary-text); border-radius: 50%; width: 40px; height: 40px; font-size: 1.2rem; cursor: pointer; display: flex; justify-content: center; align-items: center; 
}
#credits-btn:hover, #theme-switcher:hover { 
    background-color: var(--primary-bg); 
    transform: translateY(-2px);
}

/* Color Picker */
#color-picker-container { display: flex; align-items: center; gap: 10px; background-color: var(--secondary-bg); padding: 5px 10px; border-radius: 8px; border: 1px solid var(--border-color); box-shadow: 0 2px 5px var(--shadow-color); }
#color-picker-container label { font-weight: 400; color: var(--secondary-text); white-space: nowrap; }
.color-picker-wrapper { position: relative; }
#theme-color-button { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem; background-color: var(--primary-bg); border: 1px solid var(--border-color); border-radius: 6px; cursor: pointer; color: var(--primary-text); transition: border-color 0.2s; }
#theme-color-button:hover { border-color: var(--accent-color); }
#theme-color-preview { width: 20px; height: 20px; border-radius: 50%; background-color: var(--accent-color); border: 1px solid var(--border-color); }
#color-palette-popup { position: absolute; top: calc(100% + 10px); right: 0; background-color: var(--secondary-bg); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: 0 4px 15px var(--shadow-color); padding: 1rem; z-index: 1000; }
#color-palette { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.color-swatch { width: 28px; height: 28px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; transition: transform 0.2s; }
.color-swatch:hover { transform: scale(1.2); }

/* --- Main Container --- */
.container {
    width: 100%;
    max-width: 800px;
    background-color: var(--secondary-bg);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow-color);
    padding: 2.5rem;
    transition: background-color 0.3s;
    margin: 0 auto;
    position: relative;
}

/* --- Header --- */
header { text-align: center; margin-bottom: 2rem; position: relative; padding-bottom: 1rem; }
header h1 { 
    font-family: 'Cinzel Decorative', serif; 
    font-weight: 700; 
    font-size: 2.5rem; 
    color: var(--accent-color); 
    letter-spacing: 2px; 
    text-shadow: 2px 2px 4px var(--header-shadow); 
    margin: 0; 
}
header::after { 
    content: ''; 
    position: absolute; 
    bottom: 0; 
    left: 50%; 
    transform: translateX(-50%); 
    width: 100px; 
    height: 3px; 
    background-color: var(--accent-color); 
    opacity: 0.8; 
    border-radius: 2px;
}

/* --- API & Model Settings --- */
.api-settings { 
    display: grid; 
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem; 
    padding: 1.5rem; 
    border: 1px solid var(--border-color); 
    border-radius: 8px; 
    background-color: var(--primary-bg); 
    margin-bottom: 1.5rem;
}

.input-group { display: flex; flex-direction: column; }
.input-group label { font-weight: bold; margin-bottom: 0.5rem; color: var(--primary-text); font-size: 0.9rem; }

input, select, textarea { 
    width: 100%; 
    padding: 0.8rem; 
    border: 1px solid var(--border-color); 
    border-radius: 6px; 
    background-color: var(--secondary-bg); 
    color: var(--primary-text); 
    font-family: 'Roboto', sans-serif; 
    font-size: 1rem; 
    transition: border-color 0.3s, box-shadow 0.3s; 
}
input:focus, select:focus, textarea:focus { 
    outline: none; 
    border-color: var(--accent-color); 
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 25%, transparent); 
}

/* --- PDF Uploader Area --- */
#image-uploader { 
    width: 100%; 
    height: 200px;
    border: 3px dashed var(--border-color); 
    border-radius: 12px; 
    margin: 2rem 0; 
    display: flex; 
    flex-direction: column;
    justify-content: center; 
    align-items: center; 
    text-align: center; 
    color: var(--secondary-text); 
    cursor: pointer; 
    background-color: var(--primary-bg); 
    transition: all 0.3s ease; 
}
#image-uploader i { color: var(--accent-color); transition: transform 0.3s; }
#image-uploader:hover { 
    border-color: var(--accent-color); 
    background-color: color-mix(in srgb, var(--accent-color) 5%, var(--primary-bg)); 
}
#image-uploader:hover i { transform: scale(1.1); }
#image-uploader.dragover { 
    border-color: var(--accent-color); 
    background-color: color-mix(in srgb, var(--accent-color) 10%, var(--primary-bg)); 
    transform: scale(0.99);
}
#image-uploader.has-file {
    border-style: solid;
    border-color: var(--accent-color);
    background-color: color-mix(in srgb, var(--accent-color) 5%, var(--primary-bg));
}

/* --- Job Description Area --- */
.character-inputs { margin-bottom: 1.5rem; }
textarea#job-description {
    font-family: 'Roboto', sans-serif;
    line-height: 1.5;
    background-color: var(--secondary-bg);
}

/* --- Enhance Button --- */
#enhance-btn { 
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    width: 100%; 
    padding: 1.2rem; 
    font-size: 1.3rem; 
    font-weight: bold; 
    color: white; 
    background-color: var(--accent-color); 
    border: none; 
    border-radius: 8px; 
    cursor: pointer; 
    transition: all 0.3s ease; 
    box-shadow: 0 4px 10px var(--shadow-color);
    margin-top: 1rem;
}
#enhance-btn:hover { 
    background-color: var(--accent-hover); 
    transform: translateY(-2px);
    box-shadow: 0 6px 15px var(--shadow-color);
}
#enhance-btn:active {
    transform: translateY(0);
}
#enhance-btn:disabled {
    background-color: var(--neutral-color);
    cursor: not-allowed;
    opacity: 0.7;
}

.fa-spin { animation: fa-spin 1s infinite linear; }
@keyframes fa-spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* --- Responsive Adjustments --- */
@media screen and (max-width: 768px) {
    body { padding: 1rem; }
    .container { padding: 1.5rem; }
    .api-settings { grid-template-columns: 1fr; gap: 1rem; }
    header h1 { font-size: 2rem; }
    #image-uploader { height: 180px; }
}

@media screen and (max-width: 480px) {
    .top-controls-wrapper { flex-direction: column; align-items: stretch; gap: 0.5rem; }
    .top-left-controls, .top-right-controls { justify-content: space-between; }
    .container { padding: 1rem; border-radius: 0; box-shadow: none; }
    header h1 { font-size: 1.8rem; }
}