/* Project: License Management System (LMS)
    Theme: Dark & Red Professional
    Author: Gemini 3 Flash
*/

:root {
    /* Color Palette */
    --bg-dark: #0a0a0a;          /* Latar belakang utama */
    --bg-card: #141414;          /* Latar belakang kartu/kontainer */
    --primary-red: #ff3e3e;      /* Merah utama */
    --darker-red: #c21d1d;       /* Merah gelap untuk hover */
    --text-main: #e0e0e0;        /* Warna teks utama */
    --text-muted: #888888;       /* Warna teks sekunder/label */
    --border-color: #2a2a2a;     /* Warna border */
    --input-bg: #1f1f1f;         /* Latar belakang input */
    
    /* Layout Variables */
    --nav-height: 70px;
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    padding-bottom: calc(var(--nav-height) + 20px); /* Ruang untuk Bottom Nav */
}

/* Typography */
h1, h2, h3 {
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.text-red { color: var(--primary-red); }
.small-text { font-size: 0.85rem; color: var(--text-muted); }

/* Layout & Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Tables (Responsive) */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
}

th {
    background-color: #1a1a1a;
    color: var(--primary-red);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    padding: 15px;
    text-align: left;
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-main);
}

tr:hover td {
    background-color: rgba(255, 62, 62, 0.05);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--text-muted);
}

input, select, textarea {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: #fff;
    font-size: 1rem;
    transition: var(--transition);
}

input:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 2px rgba(255, 62, 62, 0.2);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-red);
    color: white;
}

.btn-primary:hover {
    background-color: var(--darker-red);
    transform: translateY(-2px);
}

/* Badge Status */
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
}

.badge-active { background: rgba(0, 255, 127, 0.1); color: #00ff7f; }
.badge-expired { background: rgba(255, 62, 62, 0.1); color: var(--primary-red); }

/* Bottom Navigation Bar */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: #121212;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 9999;
}

.nav-item {
    text-decoration: none;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.75rem;
    transition: var(--transition);
}

.nav-item i {
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.nav-item.active {
    color: var(--primary-red);
}

.nav-item:hover {
    color: var(--primary-red);
}

/* Code Display for License Keys */
code {
    background: #000;
    padding: 4px 8px;
    border-radius: 4px;
    color: #ff9f9f;
    font-family: 'Courier New', Courier, monospace;
}

/* Utility Class */
.mt-20 { margin-top: 20px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .container { padding: 15px; }
    h2 { font-size: 1.5rem; }
    .card { padding: 15px; }
}