:root { --primary: #3b82f6; --primary-hover: #2563eb; --danger: #ef4444; --danger-hover: #dc2626; --success: #10b981; --dark: #1e293b; --text-main: #334155; --text-muted: #64748b; --bg-main: #f8fafc; --bg-card: #ffffff; --border: #e2e8f0; --radius: 8px; --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', sans-serif; }
body { background-color: var(--bg-main); color: var(--text-main); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
.container { width: 100%; max-width: 900px; margin: 40px auto; padding: 0 20px; flex: 1; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 20px; }
h1, h2, h3 { color: var(--dark); margin-bottom: 15px; }
p { margin-bottom: 15px; color: var(--text-muted); }
.navbar { background-color: var(--dark); padding: 15px 30px; display: flex; justify-content: space-between; align-items: center; color: white; box-shadow: var(--shadow); }
.navbar h2 { margin: 0; color: white; font-size: 1.25rem; font-weight: 600; }
.navbar a { color: #cbd5e1; text-decoration: none; margin-left: 20px; font-weight: 500; transition: color 0.2s; }
.navbar a:hover { color: white; }
.card { background: var(--bg-card); padding: 30px; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); margin-bottom: 25px; }
.card-header { border-bottom: 1px solid var(--border); padding-bottom: 15px; margin-bottom: 20px; }
.input-group { margin-bottom: 20px; }
label { display: block; font-weight: 600; margin-bottom: 8px; color: var(--dark); font-size: 0.9rem; }
input, select { width: 100%; padding: 12px 15px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 1rem; background-color: #fcfcfc; }
input:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2); }
button, .btn { display: inline-block; background-color: var(--primary); color: white; border: none; padding: 10px 20px; font-size: 1rem; font-weight: 600; border-radius: var(--radius); cursor: pointer; text-align: center; text-decoration: none; width: 100%; }
button:hover, .btn:hover { background-color: var(--primary-hover); }
.btn-danger { background-color: var(--danger); }
.btn-danger:hover { background-color: var(--danger-hover); }
.btn-outline { background-color: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background-color: var(--primary); color: white; }
.btn-small { width: auto; padding: 6px 12px; font-size: 0.85rem; }
.data-list { list-style: none; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.data-list li { padding: 15px 20px; background: var(--bg-card); border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.data-list li:last-child { border-bottom: none; }
.badge { background: #e0f2fe; color: #0369a1; padding: 4px 10px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }