@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
    --primary-color: #007bff;
    --secondary-color: #4CAF50;
    --dark-color: #2c3e50;
    --light-color: #f4f7f6;
    --white-color: #fff;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    margin: 0;
    padding: 40px 20px;
    box-sizing: border-box;
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 650px;
    text-align: center;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.header h1 {
    font-weight: 700;
    font-size: 28px;
    color: var(--dark-color);
    margin: 0 0 10px 0;
}

.header p {
    margin: 0 0 30px 0;
    font-size: 16px;
    color: #7f8c8d;
}

.data-type-tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 20px; }
.tab-btn { background: #f0f0f0; border: 2px solid #dfe6e9; border-radius: 8px; padding: 10px 15px; cursor: pointer; font-weight: 600; color: #7f8c8d; transition: all 0.3s ease; }
.tab-btn.active { background-color: var(--primary-color); color: var(--white-color); border-color: var(--primary-color); }
.data-input-panel { display: none; animation: fadeIn 0.5s; }
.data-input-panel.active { display: block; }
.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.input-group, .control-group { margin-bottom: 15px; text-align: left;}

.input-group input, .input-group textarea, .input-group select, .control-group input[type="text"] {
    width: 100%; padding: 15px; border: 2px solid #dfe6e9; border-radius: var(--border-radius);
    font-size: 16px; box-sizing: border-box; transition: border-color 0.3s ease;
}
.control-group input[type="text"] { padding: 12px; font-size: 14px; }
.input-group input:focus, .input-group textarea:focus, .input-group select:focus, .control-group input[type="text"]:focus { outline: none; border-color: var(--primary-color); }
textarea { resize: vertical; min-height: 100px; }
.customization-panel { border: 2px solid #f0f0f0; border-radius: var(--border-radius); padding: 25px; margin-top: 25px; margin-bottom: 20px; text-align: left; }
.panel-header { text-align: center; margin-top: 0; margin-bottom: 25px; color: var(--dark-color); font-size: 18px; font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 10px; }
.customization-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.control-group label { font-weight: 600; color: var(--dark-color); display: block; font-size: 14px; margin-bottom: 8px; }
.control-group .smart-warning { font-size: 12px; color: var(--warning-color); font-weight: 600; display: none; margin-top: 4px; animation: fadeIn 0.5s; }
.control-group select, .control-group input[type="file"] { width: 100%; padding: 12px; border: 2px solid #dfe6e9; border-radius: var(--border-radius); font-size: 14px; box-sizing: border-box; transition: border-color 0.3s ease; background-color: #fff; }
.control-group input[type="file"] { padding: 8px; cursor: pointer; }
.control-group select:focus { outline: none; border-color: var(--primary-color); }
.color-controls .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; align-items: flex-end; }
.color-picker-wrapper { display: flex; align-items: center; gap: 10px; }
.color-picker-wrapper input[type="color"] { min-width: 40px; height: 40px; border: none; padding: 0; border-radius: 8px; cursor: pointer; background: none; }
.color-picker-wrapper input[type="text"] { width: 100%; border: 2px solid #dfe6e9; border-radius: 8px; padding: 8px 10px; font-family: 'Poppins', sans-serif; font-size: 14px; text-transform: uppercase; }
.slider-group { grid-column: 1 / -1; display: flex; flex-direction: column;}
.slider-group label { display: block; margin-bottom: 5px; }
.slider-group input[type="range"] { width: 100%; }
.slider-group .value-display { font-weight: 600; color: var(--primary-color); text-align: right; font-size: 14px; }
.collapsible { display: grid; overflow: hidden; transition: all 0.4s ease-in-out; max-height: 500px; opacity: 1; transform-origin: top; }
.collapsible.is-hidden, .frame-control-toggle.is-hidden { max-height: 0 !important; opacity: 0 !important; margin-bottom: 0 !important; padding-top: 0 !important; padding-bottom: 0 !important; transform: scaleY(0); pointer-events: none; overflow: hidden; }
#color-end-group, .frame-control-toggle { transition: all 0.4s ease-in-out; opacity: 1; transform-origin: center; }
.btn { background-image: linear-gradient(45deg, var(--primary-color) 0%, var(--secondary-color) 100%); color: var(--white-color); border: none; padding: 16px 20px; width: 100%; border-radius: var(--border-radius); font-size: 16px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; text-transform: uppercase; letter-spacing: 1px; display: inline-flex; justify-content: center; align-items: center; gap: 10px; }
.btn:hover { box-shadow: 0 8px 20px rgba(0, 123, 255, 0.3); transform: translateY(-3px); }
.message-box { padding: 15px; margin-top: 20px; border-radius: var(--border-radius); font-weight: 600; display: none; animation: fadeIn 0.5s; text-align: left; }
.message-box.error { background-color: #fadbd8; color: var(--danger-color); border: 1px solid var(--danger-color); }

#presentation-frame { margin-top: 30px; padding: 25px; border-radius: var(--border-radius); display: none; animation: fadeIn 0.5s; transition: all 0.4s ease; }
#presentation-frame .frame-header { font-size: 20px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 20px; }
#qr-code-canvas-wrapper { display: flex; justify-content: center; align-items: center; }
#qr-code-display-frame {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    display: flex; 
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    max-width: 350px; /* Batas maksimum agar tampilan tidak pecah */
}
#presentation-frame .frame-footer { margin-top: 15px; font-size: 12px; word-break: break-all; }

/* --- Gaya Bingkai Profesional --- */
.frame-style-plain { background-color: var(--frame-color); padding: var(--frame-width); }
.frame-style-rounded-square { background-color: var(--frame-color); padding: var(--frame-width); border-radius: 25px; }
.frame-style-gradient-text { background-image: linear-gradient(45deg, var(--frame-color), var(--frame-color-2)); padding: var(--frame-width); display: flex; flex-direction: column; gap: 15px; }
.frame-style-gradient-text .frame-call-to-action { width: 100%; text-align: center; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: 2px; text-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.frame-style-badge { background-image: linear-gradient(45deg, var(--frame-color), var(--frame-color-2)); padding: var(--frame-width); border-radius: 15px 15px 0 0; position: relative; display: flex; flex-direction: column; }
.frame-style-badge:after { content: ''; position: absolute; bottom: -30px; left: 50%; transform: translateX(-50%); border-width: 15px; border-style: solid; border-color: var(--frame-color-2) transparent transparent transparent; }
.frame-style-badge .frame-call-to-action { order: 2; margin-top: 15px; width: 100%; text-align: center; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: 1px; text-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.frame-style-badge #qr-code-holder { order: 1; }

.frame-style-circle-elegant, .frame-style-gradient-ring { width: 350px; height: 350px; border-radius: 50%; padding: var(--frame-width); box-sizing: border-box; }
.frame-style-circle-elegant { background-color: var(--frame-color); }
.frame-style-gradient-ring { background-image: linear-gradient(45deg, var(--frame-color), var(--frame-color-2)); }

/* ✨ GAYA BINGKAI BARU ✨ */
.frame-style-double-border { background-color: var(--frame-color-inner); border: 10px solid var(--frame-color); padding: var(--frame-width); outline: 3px solid var(--frame-color-2); outline-offset: -10px; }
.frame-style-brushed-metal { padding: var(--frame-width); background-color: #8D99AE; background-image: linear-gradient(315deg, #8D99AE 0%, #EDF2F4 74%); border: 5px solid #2B2D42; box-shadow: inset 0 0 10px rgba(0,0,0,0.5); }
.frame-style-cutout-circle { background-color: var(--frame-color); padding: var(--frame-width); position: relative; }
.frame-style-cutout-circle #qr-code-holder { border-radius: 50%; overflow: hidden; } /* Membuat QR di dalamnya jadi lingkaran */
.frame-style-ribbon-corner { padding: var(--frame-width); background: var(--frame-color); position: relative; overflow: hidden; }
.frame-style-ribbon-corner::before {
    content: attr(data-cta-text); font-size: 14px; font-weight: bold; color: white; text-align: center;
    position: absolute; top: 25px; right: -35px;
    transform: rotate(45deg);
    background: var(--frame-color-2);
    padding: 5px 30px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.qr-inner-background { width: 100%; height: 100%; background-color: var(--frame-color-inner); border-radius: 50%; display: flex; justify-content: center; align-items: center; padding: 15px; box-sizing: border-box; }
#qr-code-holder { width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; }

/* --- Gaya Desain Latar --- */
.template-biru-futuristik { background: #0c0a3e; background-image: linear-gradient(315deg, #0c0a3e 0%, #2a2777 74%); }
.template-biru-futuristik .frame-header { color: var(--white-color); text-shadow: 0 2px 5px rgba(255,255,255,0.3); }
.template-biru-futuristik .frame-footer { color: #bdc3c7; }
.template-minimalis-putih { background: var(--white-color); border: 2px solid #e0e6ed; }
.template-minimalis-putih .frame-header { color: var(--dark-color); }
.template-minimalis-putih .frame-footer { color: #7f8c8d; }
.template-gradien-modern { background-image: linear-gradient(45deg, var(--primary-color) 0%, var(--secondary-color) 100%); }
.template-gradien-modern .frame-header { color: var(--white-color); text-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.template-gradien-modern .frame-footer { color: rgba(255, 255, 255, 0.85); }

/* ✨ DESAIN LATAR BARU ✨ */
.template-gelap-elegan { background: #141E30; background: linear-gradient(to right, #243B55, #141E30); }
.template-gelap-elegan .frame-header { color: #F7F7F7; letter-spacing: 3px; text-shadow: 0 1px 2px rgba(255,255,255,0.2); }
.template-gelap-elegan .frame-footer { color: #A9A9A9; }
.template-pastel-lembut { background: #E0EAFC; background: linear-gradient(to bottom, #CFDEF3, #E0EAFC); }
.template-pastel-lembut .frame-header { color: #4A5568; }
.template-pastel-lembut .frame-footer { color: #718096; }
.template-retro-vinyl { background-color: #f7f1e3; background-image: repeating-linear-gradient(45deg, #4a4a4a, #4a4a4a 10px, #f7f1e3 10px, #f7f1e3 20px); }
.template-retro-vinyl .frame-header { color: #d92027; font-family: 'Courier New', Courier, monospace; background: #f7f1e3; padding: 5px; }
.template-retro-vinyl .frame-footer { color: #2c3e50; font-family: 'Courier New', Courier, monospace; font-weight: bold; }
.template-holografik { background: linear-gradient(45deg, #ff00c1, #00fffc, #fffa00, #ff00c1); background-size: 400% 400%; animation: gradientBG 10s ease infinite; }
.template-holografik .frame-header { color: var(--white-color); text-shadow: 0 0 10px #000; }
.template-holografik .frame-footer { color: rgba(255, 255, 255, 0.9); font-weight: bold; }

.download-btn { background-image: linear-gradient(45deg, #34495e 0%, #2c3e50 100%); display: none; margin-top: 20px; }
.divider { border-top: 1px solid rgba(0,0,0,0.1); margin: 25px 0; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }