*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, sans-serif; background: #0f0f0f; color: #e0e0e0; min-height: 100vh; }
a { color: #4fa3e0; text-decoration: none; }
a:hover { text-decoration: underline; }

nav { background: #1a1a1a; border-bottom: 1px solid #333; padding: .75rem 1.5rem; display: flex; align-items: center; gap: 1.5rem; }
nav strong { color: #fff; font-size: 1.1rem; margin-right: 1rem; }
nav a { color: #aaa; font-size: .9rem; }
nav a:hover { color: #fff; }
nav .right { margin-left: auto; font-size: .85rem; color: #666; }

main { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }

h1 { font-size: 1.5rem; margin-bottom: 1.5rem; color: #fff; }
h2 { font-size: 1.1rem; margin-bottom: 1rem; color: #ccc; }

.flash-success { background: #0d3320; border: 1px solid #1a6640; color: #4caf50; padding: .75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.flash-error   { background: #3a0d0d; border: 1px solid #6b1a1a; color: #ef5350; padding: .75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }

table { width: 100%; border-collapse: collapse; background: #1a1a1a; border-radius: 8px; overflow: hidden; }
th { background: #222; color: #aaa; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; padding: .6rem 1rem; text-align: left; }
td { padding: .7rem 1rem; border-top: 1px solid #2a2a2a; font-size: .9rem; vertical-align: middle; }
tr:hover td { background: #222; }

.badge { display: inline-block; padding: .2rem .55rem; border-radius: 4px; font-size: .75rem; font-weight: 600; }
.badge-green  { background: #0d3320; color: #4caf50; }
.badge-red    { background: #3a0d0d; color: #ef5350; }
.badge-blue   { background: #0d2040; color: #4fa3e0; }
.badge-gray   { background: #2a2a2a; color: #888; }

.btn { display: inline-block; padding: .4rem .85rem; border-radius: 5px; font-size: .85rem; cursor: pointer; border: none; font-family: inherit; }
.btn-primary { background: #1565c0; color: #fff; }
.btn-primary:hover { background: #1976d2; }
.btn-danger  { background: #b71c1c; color: #fff; }
.btn-danger:hover  { background: #c62828; }
.btn-sm { padding: .25rem .6rem; font-size: .8rem; }

form.inline { display: inline; }

.card { background: #1a1a1a; border: 1px solid #2a2a2a; border-radius: 8px; padding: 1.5rem; margin-bottom: 1rem; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat { background: #1a1a1a; border: 1px solid #2a2a2a; border-radius: 8px; padding: 1.25rem; text-align: center; }
.stat .num { font-size: 2rem; font-weight: 700; color: #4fa3e0; }
.stat .lbl { font-size: .8rem; color: #888; margin-top: .25rem; }

label { display: block; font-size: .85rem; color: #aaa; margin-bottom: .3rem; margin-top: .9rem; }
input[type=text], input[type=email], input[type=password], textarea, select {
    width: 100%; padding: .5rem .75rem; background: #111; border: 1px solid #333; color: #e0e0e0;
    border-radius: 5px; font-size: .9rem; font-family: inherit;
}
input:focus, textarea:focus { outline: none; border-color: #4fa3e0; }
textarea { min-height: 80px; resize: vertical; }
.form-actions { margin-top: 1.25rem; display: flex; gap: .75rem; align-items: center; }