/* =========================================
   CORE VARIABLES & RESET
   ========================================= */
:root {
    --bg-dark: #070b14;
    --glass-bg: rgba(15, 25, 35, 0.4);
    --glass-border: rgba(0, 255, 102, 0.15);
    --neon-green: #00ff66;
    --neon-glow: 0 0 15px rgba(0, 255, 102, 0.3);
    --text-main: #ffffff;
    --text-muted: #8b9bb4;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-dark);
    /* Futuristic top glow effect */
    background-image: radial-gradient(circle at 50% -20%, rgba(0, 255, 102, 0.15) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--neon-green); border-radius: 4px; }

/* =========================================
   GLASSMORPHISM COMPONENTS
   ========================================= */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(0, 255, 102, 0.3);
    box-shadow: var(--neon-glow);
}

/* =========================================
   TYPOGRAPHY & FORMS
   ========================================= */
h1, h2, h3 { font-weight: 700; margin-bottom: 15px; }

.form-control {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 14px 20px;
    border-radius: 10px;
    outline: none;
    font-size: 16px;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--neon-green);
    box-shadow: inset 0 0 8px rgba(0, 255, 102, 0.2);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn-primary {
    background: linear-gradient(135deg, #00ff66 0%, #00cc52 100%);
    color: #000;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    padding: 14px 28px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--neon-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s;
}

.btn-outline:hover {
    background: rgba(0, 255, 102, 0.1);
}

/* =========================================
   UTILITIES & LAYOUT
   ========================================= */
.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.text-center { text-align: center; }
.mt-4 { margin-top: 24px; }
.mb-4 { margin-bottom: 24px; }
.hidden { display: none !important; }