body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #12121a; color: #e0e0e0; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; }
.container { background: #1e1e2f; padding: 20px 25px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.5 ); width: 100%; max-width: 380px; }
h2 { text-align: center; margin: 0 0 15px 0; color: #ff7e5f; font-size: 20px; font-weight: 600; }
.form-group { margin-bottom: 12px; }
label { display: block; margin-bottom: 4px; font-size: 12px; color: #aaa; text-transform: uppercase; letter-spacing: 0.5px; }
.input-group { display: flex; align-items: center; background: #151522; border: 1px solid #333; border-radius: 4px; overflow: hidden; transition: border-color 0.3s; }
.input-group:focus-within { border-color: #ff7e5f; }
.input-icon { padding: 8px 12px; color: #666; font-size: 14px; }
input, select { flex: 1; padding: 8px 8px 8px 0; border: none; background: transparent; color: #fff; font-size: 13px; outline: none; }
select { cursor: pointer; }
select option { background-color: #1e1e2f; color: #fff; padding: 10px; }
.btn-secundario { padding: 8px 12px; background: #2a2a40; color: #aaa; border: none; border-left: 1px solid #333; cursor: pointer; font-size: 14px; transition: all 0.2s; }
.btn-secundario:hover { background: #3a3a55; color: #fff; }
.btn-secundario:disabled { background: #1a1a24; color: #444; cursor: not-allowed; }
.btn-principal { width: 100%; padding: 10px; background: linear-gradient(45deg, #ff7e5f, #feb47b); color: white; border: none; border-radius: 4px; font-size: 14px; font-weight: bold; cursor: pointer; transition: opacity 0.3s; margin-top: 5px; display: flex; justify-content: center; align-items: center; gap: 8px; }
.btn-principal:hover { opacity: 0.9; }
.btn-principal:disabled { background: #444; color: #888; cursor: not-allowed; }
#resultado { margin-top: 15px; text-align: center; font-size: 13px; font-weight: 500; }
.sucesso { color: #4caf50; }
.erro { color: #f44336; }