/* Konfigurasi Variabel (Bawaan: Dark Mode) */
:root {
    --primary: #ee4d2d;
    --primary-hover: #d74225;
    --bg: #121212;
    --surface: #1e1e1e;
    --text: #e0e0e0;
    --text-muted: #a0a0a0;
    --border: #333333;
    --modal-bg: rgba(0,0,0,0.7);
}

/* Override untuk Light Mode */
.light-theme {
    --bg: #f7f8fa;
    --surface: #ffffff;
    --text: #222222;
    --text-muted: #666666;
    --border: #dddddd;
    --modal-bg: rgba(0,0,0,0.5);
}

* { box-sizing: border-box; font-family: 'Segoe UI', -apple-system, sans-serif; }
body { background-color: var(--bg); margin: 0; color: var(--text); transition: background-color 0.3s, color 0.3s; }

.app-container { max-width: 500px; margin: 0 auto; padding: 25px 20px; min-height: 100vh; }

.header-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; }
header h1 { color: var(--primary); margin: 0; font-size: 1.8rem; }
header p { margin-top: 5px; color: var(--text-muted); font-size: 0.9rem; }

.theme-btn { background: var(--surface); border: 1px solid var(--border); color: var(--text); padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 0.8rem; transition: all 0.2s; }
.theme-btn:hover { border-color: var(--primary); color: var(--primary); }

.form-group { margin-bottom: 18px; }
label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.9rem; color: var(--text); }

textarea, select, .file-input { 
    width: 100%; padding: 12px; border-radius: 8px; 
    border: 1px solid var(--border); font-size: 1rem; 
    background-color: var(--surface); color: var(--text);
    transition: border 0.2s;
}
textarea:focus, select:focus, .file-input:focus { outline: none; border-color: var(--primary); }
textarea { height: 90px; resize: none; }
.file-input { padding: 9px 12px; cursor: pointer; }
.file-input::file-selector-button { background: var(--primary); color: white; border: none; padding: 6px 12px; border-radius: 4px; cursor: pointer; margin-right: 10px; }

.toggle-group { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; font-weight: 600; }
.primary-btn { width: 100%; padding: 16px; border: none; border-radius: 10px; background-color: var(--primary); color: white; font-weight: bold; font-size: 1.05rem; cursor: pointer; transition: background 0.2s; }
.primary-btn:hover { background-color: var(--primary-hover); }

.card { background: var(--surface); padding: 18px; border-radius: 12px; margin-top: 15px; border: 1px solid var(--border); box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.card h3 { margin-top: 0; margin-bottom: 10px; font-size: 1.1rem; color: var(--text); }
.card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.5; white-space: pre-wrap; }
.copy-btn { margin-top: 15px; width: 100%; padding: 10px; border: 1px solid var(--primary); background: transparent; color: var(--primary); border-radius: 6px; font-weight: bold; cursor: pointer; transition: all 0.2s; }
.copy-btn:hover { background: var(--primary); color: white; }

.hidden { display: none !important; }

.secondary-btn { width: 100%; background: none; border: none; color: var(--text-muted); margin-top: 30px; cursor: pointer; text-decoration: underline; font-size: 0.9rem; }
.secondary-btn:hover { color: var(--text); }

/* Modal Styles */
.modal { position: fixed; z-index: 100; left: 0; top: 0; width: 100%; height: 100%; background: var(--modal-bg); display: flex; align-items: center; justify-content: center; backdrop-filter: blur(3px); }
.modal-content { background: var(--surface); width: 90%; max-width: 420px; padding: 25px; border-radius: 12px; position: relative; border: 1px solid var(--border); }
.modal-content h2 { margin-top: 0; color: var(--text); font-size: 1.4rem; }
.close-modal { position: absolute; right: 20px; top: 15px; font-size: 28px; cursor: pointer; color: var(--text-muted); transition: color 0.2s; }
.close-modal:hover { color: var(--primary); }
.hintText { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; }
.tutorial-link { background: none; border: none; color: var(--primary); font-size: 0.85rem; padding: 0; margin: 8px 0; cursor: pointer; text-decoration: underline; }
.tutorial-box { background: var(--bg); padding: 12px; border-radius: 8px; font-size: 0.85rem; border-left: 3px solid var(--primary); margin-bottom: 15px; color: var(--text); }
.tutorial-box a { color: var(--primary); text-decoration: none; font-weight: bold; }