/* ============================================================================
   GLOBAL SETTINGS & VARIABLES
   ============================================================================ */
:root {
    --accent: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.4);
    --bg-dark: #070707;
    --panel-bg: rgba(20, 20, 20, 0.85);
    --border-color: #333;
    --text-main: #ffffff;
    --text-muted: #888;
    --header-height: 70px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column; /* Stapelt Header und Content */
    overflow: hidden; /* Verhindert hässliche doppelte Scrollbalken */
}

/* ============================================================================
   NAVIGATION (MAIN HEADER)
   ============================================================================ */
.main-nav {
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    z-index: 2000;
    flex-shrink: 0; /* Header darf nicht schrumpfen */
}

.nav-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: #fff;
    cursor: pointer;
}

.logo span { color: var(--accent); }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    color: var(--accent);
    text-shadow: 0 0 8px var(--accent-glow);
}

.btn-login {
    background: transparent;
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 8px 20px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.3s;
}

.btn-login:hover {
    border-color: var(--accent);
    background: rgba(255,255,255,0.05);
}

/* ============================================================================
   DYNAMIC CONTENT AREA
   ============================================================================ */
#page-content {
    flex-grow: 1; /* Nimmt den kompletten restlichen Platz unter dem Header ein */
    position: relative;
    width: 100%;
    background: #000;
}

/* ============================================================================
   HERO SECTION (LANDING PAGE)
   ============================================================================ */
.hero {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: radial-gradient(circle at center, #111 0%, #000 100%);
    padding: 40px;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: 25px;
    line-height: 0.9;
    letter-spacing: -2px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 50px;
    line-height: 1.6;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    padding: 20px 45px;
    border: none;
    border-radius: 4px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    box-shadow: 0 0 30px var(--accent-glow);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 0 60px var(--accent-glow);
}

/* ============================================================================
   GENERATOR VIEW LAYOUT (Innerhalb von page-content)
   ============================================================================ */
.generator-wrapper {
    display: flex;
    width: 100%;
    height: 100%;
    position: relative;
}

#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1; /* Liegt ganz unten */
}

#controls {
    position: absolute;
    left: 20px;
    top: 20px;
    bottom: 20px;
    width: 350px;
    z-index: 100; /* Schwebt über dem Canvas */
    background: var(--panel-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    overflow-y: auto; /* Scrollbar nur innerhalb der Sidebar */
    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
}

/* Custom Scrollbar für die Sidebar */
#controls::-webkit-scrollbar {
    width: 5px;
}
#controls::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

#controls h2 {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    color: var(--accent);
}