* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, #ff9a3c 0%, #ff6b6b 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-wrapper { width: 100%; max-width: 400px; padding: 1rem; }
.login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,.2);
    overflow: hidden;
}
.login-header {
    background: #212529;
    color: #fff;
    padding: 2rem;
    text-align: center;
}
.login-header i { font-size: 2.5rem; color: #ffb347; }
.login-header h1 { font-size: 1.4rem; margin: .5rem 0 0; }
.login-header p { margin: .25rem 0 0; opacity: .7; font-size: .85rem; }
.login-body { padding: 2rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .35rem; color: #495057; }
.form-group input {
    width: 100%;
    padding: .65rem .8rem;
    border: 1px solid #ced4da;
    border-radius: 8px;
    font-size: 1rem;
}
.form-group input:focus { outline: none; border-color: #ff9a3c; box-shadow: 0 0 0 3px rgba(255,154,60,.2); }
.login-btn {
    width: 100%;
    padding: .7rem;
    background: #ff6b6b;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s;
}
.login-btn:hover { background: #ff5252; }
.login-error {
    background: #f8d7da;
    color: #842029;
    padding: .6rem .8rem;
    border-radius: 8px;
    font-size: .85rem;
    margin-bottom: 1rem;
}