:root {
    --bg-core: #0a0e17;
    --bg-gradient: radial-gradient(circle at 50% 50%, #1a2333 0%, #0a0e17 100%);
    
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    
    --accent-gold: #fbbf24;
    --accent-gold-glow: rgba(251, 191, 36, 0.3);
    
    --danger: #ef4444;
    --success: #10b981;
    --info: #3b82f6;

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    --radius-lg: 16px;
    --radius-md: 8px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background: var(--bg-core);
    background-image: var(--bg-gradient);
    color: #f1f5f9;
    font-family: var(--font-body);
    height: 100vh;
    overflow: hidden;
    line-height: 1.5;
}

/* App Layout */
#app {
    display: grid;
    grid-template-rows: auto 1fr;
    height: 100vh;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    z-index: 10;
    border-bottom: 1px solid var(--glass-border);
}

.logo h1 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    color: #fff;
}

.logo .accent {
    color: var(--accent-gold);
    font-style: italic;
}

nav {
    display: flex;
    gap: 1rem;
    background: rgba(0,0,0,0.2);
    padding: 0.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
}

.nav-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-btn.active, .nav-btn:hover {
    background: var(--glass-highlight);
    color: #fff;
}

.badge {
    background: var(--accent-gold);
    color: #000;
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    margin-left: 0.3rem;
    font-weight: bold;
    display: inline-block;
    min-width: 18px;
    text-align: center;
}

/* Main Area */
main {
    position: relative;
    display: flex;
    overflow: hidden;
}

#canvas-wrapper {
    flex: 1;
    position: relative;
    cursor: grab;
    background-image: 
        radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

#canvas-wrapper:active {
    cursor: grabbing;
}

#controls {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    gap: 0.5rem;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    backdrop-filter: blur(4px);
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--glass-highlight);
    transform: scale(1.05);
}

/* Side Panel */
aside {
    width: 400px;
    height: calc(100vh - 80px); /* Adjust based on header */
    margin: 1rem;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateX(0);
}

aside.collapsed {
    transform: translateX(420px);
}

#panel-content {
    padding: 2rem;
    overflow-y: auto;
    height: 100%;
}

.cta-btn {
    background: var(--accent-gold);
    color: #0a0e17;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-body);
    width: 100%;
    margin-top: 1rem;
    box-shadow: 0 0 15px var(--accent-gold-glow);
    transition: var(--transition);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--accent-gold-glow);
}

.secondary-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: var(--font-body);
}

.secondary-btn:hover {
    background: var(--glass-highlight);
}

/* Typography styles within panel */
h2, h3 {
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
    color: var(--accent-gold);
}

.field-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: #94a3b8;
}

input, select, textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    padding: 0.8rem;
    border-radius: var(--radius-md);
    color: #fff;
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition);
}

input:focus {
    border-color: var(--accent-gold);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal.hidden {
    display: none;
}

.modal-content {
    width: 500px;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--accent-gold);
    box-shadow: 0 0 50px rgba(251, 191, 36, 0.1);
}

.ai-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ai-icon {
    font-size: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: flex-end;
}

/* Utility Animations */
@keyframes pulse-gold {
    0% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(251, 191, 36, 0); }
    100% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0); }
}

.ai-suggestion-card {
    background: rgba(255,255,255,0.05);
    padding: 1rem;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent-gold);
    margin-bottom: 1rem;
}