/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background: #f4f7fa; color: #333; }
a { color: #007bff; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Container */
.container { max-width: 400px; margin: 80px auto; padding: 20px; }

/* Form Box */
.form-box { background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.form-box h2 { margin-bottom: 20px; font-size: 1.5rem; text-align: center; }
.form-box label { display: block; margin-bottom: 15px; font-size: 0.9rem; }
.form-box input { width: 100%; padding: 10px; margin-top: 5px; border: 1px solid #ccc; border-radius: 4px; }
.btn { width: 100%; padding: 10px; background: #007bff; color: #fff; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; }
.btn:hover { background: #0056b3; }

/* Alerts */
.alert { background: #fdecea; color: #d93025; padding: 10px; border-radius: 4px; margin-bottom: 15px; }
.alert.success { background: #e6ffed; color: #1a7f37; }

/* Navbar */
.navbar { display: flex; justify-content: space-between; align-items: center; background: #007bff; color: #fff; padding: 10px 20px; }
.nav-left { font-size: 1.2rem; font-weight: bold; }
.nav-right a { color: #fff; margin-left: 15px; }

/* Square avatar */
.avatar-square { width: 40px; height: 40px; object-fit: cover; border-radius: 4px; margin-right: 8px; vertical-align: middle; }

/* Layout */
.layout { display: flex; }
.sidebar { width: 200px; background: #fff; border-right: 1px solid #ddd; min-height: calc(100vh - 52px); padding-top: 20px; }
.sidebar ul { list-style: none; }
.sidebar li { margin-bottom: 10px; }
.sidebar a { display: block; padding: 10px 20px; color: #333; }
.sidebar a:hover { background: #f0f0f0; }

/* Main Content */
.main-content { flex: 1; padding: 20px; }
.main-content h1 { margin-bottom: 20px; }

/* Widgets */
.widgets { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.widget { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }

/* Avatar Preview */
.avatar-preview { display: block; margin: 10px 0; max-width: 100px; border-radius: 50%; }