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

body {
    font-family: 'Segoe UI', sans-serif;
    background: #f0f4f8;
    color: #333;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.nav-brand { font-size: 22px; font-weight: 700; }
.nav-info  { font-size: 14px; color: #aaa; }
.status-dot { color: #00ff88; margin-left: 15px; font-weight: bold; }

/* Container */
.container { max-width: 1200px; margin: 30px auto; padding: 0 20px; }

/* Hero */
.hero {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 25px;
}
.hero h1 { font-size: 32px; margin-bottom: 10px; }
.hero p  { font-size: 16px; opacity: 0.9; margin-bottom: 25px; }

.stats { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.stat-card {
    background: rgba(255,255,255,0.2);
    padding: 20px 35px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}
.stat-card h2 { font-size: 28px; }
.stat-card p  { font-size: 13px; opacity: 0.8; }

/* Card */
.card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}
.card h2 { margin-bottom: 20px; color: #1a1a2e; font-size: 20px; }

/* Form */
.form-row { display: flex; gap: 15px; flex-wrap: wrap; margin-bottom: 15px; }
.form-group { flex: 1; min-width: 200px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: #555; }
.form-group input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: border 0.3s;
}
.form-group input:focus { outline: none; border-color: #667eea; }

.btn-add {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.3s;
}
.btn-add:hover { opacity: 0.9; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
    background: #1a1a2e;
    color: white;
    padding: 12px 15px;
    text-align: left;
    font-size: 13px;
}
td { padding: 12px 15px; border-bottom: 1px solid #f0f4f8; font-size: 14px; }
tr:hover td { background: #f8faff; }

.badge {
    background: #e8f4fd;
    color: #2563eb;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.btn-delete {
    background: #fee2e2;
    color: #dc2626;
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
}
.btn-delete:hover { background: #dc2626; color: white; }

.empty-state { text-align: center; padding: 40px; color: #888; font-size: 16px; }

/* Architecture */
.arch-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 15px; }
.arch-item {
    background: #f8faff;
    border: 2px solid #e8f0fe;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}
.arch-item h3 { font-size: 16px; margin-bottom: 8px; color: #1a1a2e; }
.arch-item p  { font-size: 13px; color: #666; line-height: 1.6; }

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: #888;
    font-size: 13px;
    margin-top: 20px;
}