:root {
    --bg-color: #030712;
    --cyan-glow: #00f2fe;
    --blue-accent: #3b82f6;
    --card-bg: rgba(10, 16, 31, 0.8);
    --border-color: rgba(0, 242, 254, 0.2);
    --text-main: #f1f5f9;
    --text-sub: #94a3b8;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Rajdhani', sans-serif; }

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(0, 242, 254, 0.12) 0%, transparent 60%),
        radial-gradient(circle at 85% 85%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    padding-bottom: 90px;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 40px;
    background: rgba(3, 7, 18, 0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--cyan-glow);
    letter-spacing: 2px;
    text-shadow: 0 0 15px rgba(0, 242, 254, 0.5);
}

.nav-right { display: flex; align-items: center; gap: 20px; }

.btn-google {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 8px;
    font-weight: 700;
    font-family: 'Orbitron';
    font-size: 0.8rem;
    cursor: pointer;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
    transition: all 0.3s;
}

.btn-google:hover { transform: translateY(-2px); box-shadow: 0 0 20px rgba(0, 242, 254, 0.6); }

.btn-logout {
    background: #ef4444;
    color: #fff;
    border: none;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: bold;
}

.nav-link {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.nav-link:hover, .nav-link.active { color: var(--cyan-glow); text-shadow: 0 0 8px rgba(0, 242, 254, 0.5); }

/* MAIN CONTAINER */
.main-container { max-width: 1100px; margin: 30px auto; padding: 0 20px; }

/* TERMINAL STATUS BAR */
.terminal-bar {
    background: rgba(8, 14, 28, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 20px;
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    color: #94a3b8;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 35px;
    flex-wrap: wrap;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

.terminal-bar .prompt { color: #cbd5e1; }
.terminal-bar .sep { color: #334155; }
.terminal-bar .val-warn { color: #f59e0b; font-weight: bold; }
.terminal-bar .val-online { color: var(--cyan-glow); font-weight: bold; text-shadow: 0 0 8px rgba(0, 242, 254, 0.6); }

/* HERO TITLE */
.hero { text-align: center; margin-bottom: 35px; }

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.8rem;
    font-weight: 900;
    letter-spacing: 2px;
    background: linear-gradient(180deg, #ffffff 10%, var(--cyan-glow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    text-shadow: 0 0 30px rgba(0, 242, 254, 0.3);
}

.hero-subtitle { color: var(--text-sub); font-size: 1rem; font-weight: 600; }

/* CATEGORY TABS */
.category-wrapper { display: flex; justify-content: center; margin-bottom: 25px; }

.category-tabs { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; max-width: 950px; }

.tab-btn {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #94a3b8;
    padding: 7px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover { border-color: var(--cyan-glow); color: #fff; }

.tab-btn.active {
    background: var(--cyan-glow);
    color: #030712;
    border-color: var(--cyan-glow);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.6);
}

/* GLASS CARDS & GRID */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 35px;
    min-height: 180px;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-title { font-family: 'Orbitron', sans-serif; color: var(--cyan-glow); font-size: 1.3rem; margin-bottom: 8px; }
.card-sub { color: var(--text-sub); font-size: 0.95rem; }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }

.project-item {
    background: rgba(5, 10, 20, 0.85);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s, border-color 0.2s;
}

.project-item:hover { transform: translateY(-4px); border-color: var(--cyan-glow); }
.project-item h4 { color: var(--cyan-glow); font-family: 'Orbitron'; margin-bottom: 8px; }
.project-item p { color: #cbd5e1; font-size: 0.9rem; margin-bottom: 15px; line-height: 1.4; }
.project-item a {
    display: inline-block; background: var(--cyan-glow); color: #000; text-decoration: none; padding: 7px 14px; border-radius: 6px; font-weight: bold; font-size: 0.8rem; text-align: center; font-family: 'Orbitron';
}

/* FORMS */
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 6px; color: #00f2fe; font-weight: 700; font-size: 0.85rem; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 12px; background: rgba(3, 7, 18, 0.9); border: 1px solid var(--border-color); border-radius: 8px; color: #fff; outline: none; font-size: 0.95rem;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--cyan-glow); box-shadow: 0 0 10px rgba(0, 242, 254, 0.3); }

.btn-action {
    width: 100%; background: linear-gradient(90deg, #2563eb, #00f2fe); color: #fff; border: none; padding: 12px; border-radius: 8px; font-weight: bold; font-family: 'Orbitron'; cursor: pointer; margin-top: 10px;
}

/* FLOATING KVN NEURAL AI WIDGET */
.ai-widget {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 320px;
    height: 280px;
    background: rgba(5, 10, 20, 0.95);
    border: 1px solid var(--cyan-glow);
    border-radius: 12px;
    box-shadow: 0 0 25px rgba(0, 242, 254, 0.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 2000;
}

.ai-header {
    background: linear-gradient(90deg, #2563eb, #00f2fe);
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    font-weight: bold;
}

.ai-title { display: flex; align-items: center; gap: 6px; }
.status-dot { width: 8px; height: 8px; background-color: #22c55e; border-radius: 50%; box-shadow: 0 0 6px #22c55e; }

.ai-body { flex: 1; padding: 10px; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; font-size: 0.82rem; line-height: 1.35; }
.msg.ai { background: rgba(0, 242, 254, 0.1); border: 1px solid rgba(0, 242, 254, 0.2); color: #e2e8f0; padding: 8px 10px; border-radius: 6px; }
.msg.user { background: #2563eb; color: #fff; padding: 8px 10px; border-radius: 6px; align-self: flex-end; }

.ai-input-area { display: flex; padding: 6px; background: rgba(3, 7, 18, 0.95); border-top: 1px solid rgba(255, 255, 255, 0.1); }
.ai-input-area input { flex: 1; background: transparent; border: none; outline: none; color: #fff; font-size: 0.82rem; padding: 4px; }
.ai-input-area button { background: var(--cyan-glow); border: none; color: #000; width: 26px; height: 26px; border-radius: 4px; cursor: pointer; font-weight: bold; }

/* NETLIFY BADGE */
.netlify-badge {
    position: fixed; bottom: 8px; right: 25px; background: rgba(5, 10, 20, 0.9); border: 1px solid rgba(0, 242, 254, 0.3); color: #94a3b8; padding: 3px 10px; border-radius: 12px; font-size: 0.7rem; z-index: 1999;
}
.netlify-badge .sparkle { color: var(--cyan-glow); }