:root {
    --primary: #102A4A;
    --accent: #D4AF37;
    --accent-dark: #B9975B;
    --light-blue: #A8C2E8;
    --bg-color: #F8F9FA;
    --card-bg: #FFFFFF;
    --text-main: #333333;
    --border: #E0E0E0;
    --radius: 6px;
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

header {
    background-color: var(--primary);
    border-bottom: 4px solid var(--accent);
    padding: 1.5rem 1rem;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.nav-logo {
    height: 60px;
    width: auto;
    background: white; /* White background for the UI logo */
    border-radius: 50%;
}

.text-white { color: #FFFFFF; }
.text-gold { color: var(--accent); }
.text-light-blue { color: var(--light-blue); }

.header-container h1 { 
    margin: 0; 
    font-size: 2rem; 
    letter-spacing: 0.5px;
    /* font-weight: 800; */
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.form-section, .preview-section {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border: 1px solid var(--border);
}

h2 { 
    margin-bottom: 1.5rem; 
    font-size: 1.25rem; 
    color: var(--primary); 
    border-bottom: 2px solid var(--border); 
    padding-bottom: 0.5rem;
}

.form-group { margin-bottom: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

label { 
    display: block; 
    margin-bottom: 0.4rem; 
    font-weight: 700; 
    font-size: 0.85rem; 
    color: var(--primary); 
    text-transform: uppercase;
}

input, select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    background-color: #FAFAFA;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    transition: all 0.2s;
    text-align: center;
    width: 100%;
}

.btn-primary { background: var(--primary); color: white; }
.btn-accent { background: var(--accent); color: var(--primary); margin-top: 1rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; background: #cccccc; color: #666; }

.event-list { list-style: none; max-height: 300px; overflow-y: auto; margin-bottom: 1rem; }
.event-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    background: #fdfdfd;
    margin-bottom: 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    border-left: 5px solid var(--primary);
}

.remove-btn { background: #e74c3c; color: white; border: none; padding: 0.4rem 0.7rem; border-radius: 4px; cursor: pointer; }

.canvas-preview-area { margin-top: 2rem; border-top: 2px dashed var(--border); padding-top: 1.5rem; }
.canvases-container { display: flex; flex-direction: column; gap: 2rem; align-items: center; margin-bottom: 2rem; }
canvas { max-width: 100%; height: auto; border: 1px solid #ccc; box-shadow: 0 10px 30px rgba(0,0,0,0.1); border-radius: 4px; }

.download-actions { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.8rem; }
.download-actions .btn { background: #E0E6ED; color: var(--primary); font-size: 0.9rem; }

@media (max-width: 850px) {
    .container { grid-template-columns: 1fr; }
    .download-actions { grid-template-columns: 1fr; }
}