/* Import Font: JetBrains Mono (Coding) & Teko (Headings) */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=Teko:wght@300;500;700&display=swap');

:root {
    /* Color Palette [cite: 16, 17, 18] */
    --bg-obsidian: #0F172A;
    --cyan-laser: #00F0FF;
    --slate-gray: #64748B;
    --tech-green: #10B981;
    --alert-orange: #F59E0B;
    --glass-panel: rgba(15, 23, 42, 0.85);
}

body {
    background-color: var(--bg-obsidian);
    color: #e2e8f0;
    font-family: 'JetBrains Mono', monospace; /* [cite: 24] */
    margin: 0;
    overflow-x: hidden;
    /* Grid Background Effect [cite: 13] */
    background-image: 
        linear-gradient(var(--slate-gray) 1px, transparent 1px),
        linear-gradient(90deg, var(--slate-gray) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center center;
}

/* Typography */
h1, h2, h3 {
    font-family: 'Teko', sans-serif; /* [cite: 23] */
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
}

/* Container Logic */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Tactical Glass Box (Card) [cite: 9] */
.glass-panel {
    background: var(--glass-panel);
    border: 1px solid var(--slate-gray);
    backdrop-filter: blur(5px);
    padding: 2rem;
    position: relative;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
}

/* Hover Effect: Active Border [cite: 30] */
.glass-panel:hover {
    border-color: var(--cyan-laser);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

/* Form Elements */
input, select, textarea {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--slate-gray);
    color: var(--cyan-laser);
    font-family: 'JetBrains Mono', monospace;
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
    outline: none;
    transition: 0.3s;
}

input:focus {
    border-color: var(--cyan-laser);
    box-shadow: inset 0 0 10px rgba(0, 240, 255, 0.2);
}

/* Buttons (Tactical Click) */
.btn {
    display: inline-block;
    padding: 10px 25px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    border: 1px solid var(--cyan-laser);
    background: transparent;
    color: var(--cyan-laser);
    transition: all 0.2s;
}

.btn:hover {
    background: var(--cyan-laser);
    color: var(--bg-obsidian);
    box-shadow: 0 0 15px var(--cyan-laser);
}

.btn-danger {
    border-color: var(--alert-orange);
    color: var(--alert-orange);
}
.btn-danger:hover {
    background: var(--alert-orange);
    color: white;
}

/* Utility */
.text-cyan { color: var(--cyan-laser); }
.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.full-height { height: 100vh; display: flex; align-items: center; justify-content: center; }

/* Table Design (Data List) */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
th, td {
    border: 1px solid var(--slate-gray);
    padding: 12px;
    text-align: left;
}
th {
    background: rgba(0, 240, 255, 0.1);
    color: var(--cyan-laser);
    font-family: 'Teko', sans-serif;
    font-size: 1.2rem;
}